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….. (Hentet 15.maj 2020 ) ….. z <> Specific class of immune cells in the blood induced by vaccination is an earlier indicator of vaccine efficacy than conventional tests for neutralizing antibodies. Ludwig-Maximilians-Universität (LMU) in Munich researchers have shown that a specific class of immune cells in the blood induced by vaccination is an earlier indicator of vaccine efficacy than conventional tests for neutralizing antibodies.

….. (Hentet 19.maj 2020 ) ….. z <> Web Giants Scrambled to Head Off a Dangerous DDoS Technique Firms like Google and Cloudflare raced to prevent an amplification attack that threatened to take down large portions of the internet with just a few hundred devices.

….. (Hentet 20.maj 2020 ) ….. z <> When you cough, how far can it go? Physics suggests we should be 'distancing' further.

….. (Hentet 11.maj 2020 ) ….. z <> Why are there so few antivirals? It's all a question of cell biology, academics explain.

….. (Hentet 11.maj 2020 ) ….. z <> Why some people are more prone to anxiety Anxiety-prone people can blame serotonin cleanup proteins gone awry in their amygdala, according to research in marmosets recently published in JNeurosci. Targeting the amygdala with anti-anxiety medication could provide quicker relief.

….. (Hentet 20.maj 2020 ) ….. z <> Wild Study Suggests Human Beards Evolved to Absorb Punches to The Head Uhhh… what?

….. (Hentet 24.apr.2020 ) ….. z <> Wireless smart contact lens for diabetic diagnosis and therapy A smart contact lens can be used as an excellent interface between the human body and an electronic device for wearable healthcare applications. Despite wide investigations of smart contact lenses for diagnostic applications, there has been no report on electrically controlled drug delivery in combination with real-time biometric analysis. Here, we developed smart contact lenses for both continuo

….. (Hentet 24.apr.2020 ) ….. z <> With a heavy heart: How men and women develop heart disease differently A new study by researchers from McGill University has uncovered that minerals causing aortic heart valve blockage in men and women are different, a discovery that could change how heart disease is diagnosed and treated.

….. (Hentet 20.maj 2020 ) ….. z <> Working Scientist podcast: Science communication made simple Nature, Published online: 20 maj 2020; doi:10.1038/d41586-020-01526-y Funders require that researchers clearly explain their science to a general audience. Pakinam Amer discovers the secrets of sound science communication.

….. (Hentet 20.maj 2020 ) ….. z <> World's first slaughter-free lab grown fish – A San Diego foodtech startup has grown fillets of yellowtail fish entirely from cells, making the local company one of the most scientifically advanced in the world of lab-grown seafood. submitted by /u/Strau [link] [comments]

….. (Hentet 15.maj 2020 ) ….. z <> Wound-healing patch of blue-green algae mends skin quickly A skin patch filled with living blue-green algae pumps oxygen into wounds to help them mend faster, and maj help people with chronic wounds caused by diabetes

….. (Hentet 28.apr.2020 ) ….. VIIRUS <> 3M promises monthly updates in lieu of earnings forecasts Industrial bellwethers wrestle with how to keep investors informed during virus uncertainty

….. (Hentet 20.maj 2020 ) ….. VIIRUS <> A deadly virus is killing wild rabbits in North America Biologists fear for endangered species

….. (Hentet 13.maj 2020 ) ….. VIIRUS <> A distinct class of plant and animal viral proteins that disrupt mitosis by directly interrupting the mitotic entry switch Wee1-Cdc25-Cdk1 Many animal viral proteins, e.g., Vpr of HIV-1, disrupt host mitosis by directly interrupting the mitotic entry switch Wee1-Cdc25-Cdk1. However, it is unknown whether plant viruses maj use this mechanism in their pathogenesis. Here, we report that the 17K protein, encoded by barley yellow dwarf viruses and related poleroviruses, delays G 2 /M transition and disrupts mitosis in both host (barley)

….. (Hentet 6.maj 2020 ) ….. VIIRUS <> A hexavalent Coxsackievirus B vaccine is highly immunogenic and has a strong protective capacity in mice and nonhuman primates Coxsackievirus B (CVB) enteroviruses are common human pathogens known to cause severe diseases including myocarditis, chronic dilated cardiomyopathy, and aseptic meningitis. CVBs are also hypothesized to be a causal factor in type 1 diabetes. Vaccines against CVBs are not currently available, and here we describe the generation and preclinical testing of a novel hexavalent vaccine targeting the s

….. (Hentet 24.apr.2020 ) ….. VIIRUS <> A masked initiation region in retinoblastoma protein regulates its proteasomal degradation Nature Communications, Published online: 24 April 2020; doi:10.1038/s41467-020-16003-3 Human papilloma virus (HPV) E7 protein destabilizes the retinoblastoma protein (Rb) by inducing its ubiquitination in cervical cancer cells, however proteasomal degradation requires cleavage of Rb after Lys 810 and so far it has been unclear how Rb cleavage contributes to its degradation. Here, the authors comb

….. (Hentet 5.maj 2020 ) ….. VIIRUS <> A minor population of macrophage-tropic HIV-1 variants is identified in recrudescing viremia following analytic treatment interruption [Microbiology] HIV-1 persists in cellular reservoirs that can reignite viremia if antiretroviral therapy (ART) is interrupted. Therefore, insight into the nature of those reservoirs maj be revealed from the composition of recrudescing viremia following treatment cessation. A minor population of macrophage-tropic (M-tropic) viruses was identified in a library of recombinant viruses…

….. (Hentet 20.maj 2020 ) ….. VIIRUS <> A new tool for cell biologists for creating synthetic cell membranes Research published in the Proceedings of the National Academy of Sciences describes a new approach for creating synthetic cell membrane mimics. Using a new approach for "click" chemistry, researchers designed self-organizing nanovesicles that can have their surfaces decorated with similar sugar molecules as viruses, bacteria, or living cells. The result of a collaboration between Penn, Temple Univ

….. (Hentet 18.maj 2020 ) ….. VIIRUS <> A New Viral Outbreak Is Killing Rabbits This virus is deadly, long-lived and highly contagious, but it doesn't affect people or other animals.

….. (Hentet 20.maj 2020 ) ….. VIIRUS <> A single-cell view on alga-virus interactions reveals sequential transcriptional programs and infection states The discovery of giant viruses infecting eukaryotes from diverse ecosystems has revolutionized our understanding of the evolution of viruses and their impact on protist biology, yet knowledge on their replication strategies and transcriptome regulation remains limited. Here, we profile single-cell transcriptomes of the globally distributed microalga Emiliania huxleyi and its specific giant virus

….. (Hentet 1.maj 2020 ) ….. VIIRUS <> Alarm over deaths of bees from rapidly spreading viral disease Researchers study whether new strain of chronic bee paralysis virus is responsible A viral disease that causes honey bees to suffer severe trembling, flightlessness and death within a week is spreading exponentially in Britain. Chronic bee paralysis virus (CBPV) was only recorded in Lincolnshire in 2007. A decade later, it was found in 39 of 47 English counties and six of eight Welsh counties, ac

….. (Hentet 28.apr.2020 ) ….. VIIRUS <> Amino acid 159 of the envelope protein affects viral replication and T-cell infiltration by West Nile virus in intracranial infection Scientific Reports, Published online: 28 April 2020; doi:10.1038/s41598-020-64199-7

….. (Hentet 5.maj 2020 ) ….. VIIRUS <> Amphibian study shows stress increases vulnerability to virus Researchers found that wood frogs, known for their ability to survive being frozen through, are more susceptible to lethal ranavirus infections if they have been raised in ponds high in salinity from road deicer. The findings lend more weight to the stress-induced susceptibility hypothesis, which could help explain dramatic wildlife population declines in recent years.

….. (Hentet 18.maj 2020 ) ….. VIIRUS <> Antibodies eye mosquito-transmitted Ross River fever Ross River fever is a mosquito-transmitted disease endemic to Australia and surrounding Pacific Islands. There is no specific treatment or vaccine for Ross River virus (RRV) infection, which causes rash, fever and debilitating muscle and joint pain lasting three to six months.

….. (Hentet 20.apr.2020 ) ….. VIIRUS <> Artificial 'candy canes' block viruses Synthetic chains of molecules containing different sugars can inhibit viruses effectively. The extent to which such molecules could be used as antiviral drugs is illustrated by a team of researchers from Heinrich Heine University Düsseldorf (HHU) and University of Münster (WWU) in the February edition of the Journal of the American Chemical Society.

….. (Hentet 15.maj 2020 ) ….. VIIRUS <> Author Correction: A novel Asfarvirus-like virus identified as a potential cause of mass mortality of abalone Scientific Reports, Published online: 15 maj 2020; doi:10.1038/s41598-020-65515-x

….. (Hentet 21.apr.2020 ) ….. VIIRUS <> Author Correction: Development of a novel anti-hepatitis B virus agent via Sp1 Scientific Reports, Published online: 21 April 2020; doi:10.1038/s41598-020-63866-z

….. (Hentet 12.maj 2020 ) ….. VIIRUS <> Bee microbiomes go viral [Commentaries] Perhaps now more than ever (1), it is abundantly clear that viruses can rapidly and dramatically alter host populations, both by direct mortality and by changing the way hosts interact with each other. Like macroscopic organisms, bacteria also contend with their own viruses. Called bacteriophages (or simply, phages), these nanometer-scale…

….. (Hentet 1.maj 2020 ) ….. VIIRUS <> Biologists invent a new way to fight viruses with llama blood and molecular super glue Combinations of small antibodies block viruses, scientists show

….. (Hentet 22.apr.2020 ) ….. VIIRUS <> Bloomberg to spearhead virus tracing in New York Andrew Cuomo enlists billionaire to lead an 'army of tracers' to aid state reopening

….. (Hentet 18.maj 2020 ) ….. VIIRUS <> Brain-to-gut connections traced Using rabies virus injected into the stomach of rats, researchers trace the nerves back to the brain and find distinct 'fight or flight' and 'rest and digest' circuits. These results explain how mental states can affect the gut, and present new ways to treat gastrointestinal problems.

….. (Hentet 23.apr.2020 ) ….. VIIRUS <> Breakthrough discovery in HIV research opens path to new, better therapies Cells infected with HIV make two forms of the virus's RNA. A new Science paper finds a single nucleotide controls which version of viral RNA an infected cell makes; both forms are necessary for HIV to replicate. The critical nucleotide happens to be in a region of the HIV genome with low mutation rates. That placement makes it a promising target for new therapies, because the virus is less likely

….. (Hentet 4.maj 2020 ) ….. VIIRUS <> Can transplanting poop viruses treat obesity and diabetes? Fecal transplants with only viruses show promise for treating obesity and type 2 diabetes. Currently, fecal transplants are an option for treating certain types of antibiotic-resistant diarrhea, and have been an attempted treatment for inflammatory bowel disease. In the study, obese mice with unhealthy lifestyles gained significantly less weight and avoided type 2 diabetes when they received viru

….. (Hentet 29.apr.2020 ) ….. VIIRUS <> Childhood vaccines and antibiotic use in low- and middle-income countries Nature, Published online: 29 April 2020; doi:10.1038/s41586-020-2238-4 Pneumococcal and rotavirus vaccines have reduced antibiotic consumption substantially among children under five years old in low- and middle-income countries; however, this effect could be doubled if all countries were to implement vaccination programmes and meet universal vaccine coverage targets.

….. (Hentet 6.maj 2020 ) ….. VIIRUS <> Common herpes virus causes signs of Alzheimer's disease in brain cells A study of brains cells in a dish adds to growing evidence that Alzheimer's disease can be caused by herpes viruses, but antiviral treatment maj help stop it

….. (Hentet 14.maj 2020 ) ….. VIIRUS <> Complexity and ultrastructure of infectious extracellular vesicles from cells infected by non-enveloped virus Scientific Reports, Published online: 14 maj 2020; doi:10.1038/s41598-020-64531-1

….. (Hentet 14.maj 2020 ) ….. VIIRUS <> Critical window for re-infection with HIV after stem cell transplantation So far, allogeneic stem cell transplantation for the treatment of severe blood cancers has been the only medical intervention to have cured at least three people infected with the HI virus. It is still unclear why this procedure was unable to cure other HIV-infected patients successfully. In a study with 16 HIV infected people, scientists identified a critical time window after an allogeneic stem

….. (Hentet 21.apr.2020 ) ….. VIIRUS <> Cryo-EM structure of eastern equine encephalitis virus in complex with heparan sulfate analogues [Biophysics and Computational Biology] Eastern equine encephalitis virus (EEEV), a mosquito-borne icosahedral alphavirus found mainly in North America, causes human and equine neurotropic infections. EEEV neurovirulence is influenced by the interaction of the viral envelope protein E2 with heparan sulfate (HS) proteoglycans from the host's plasma membrane during virus entry. Here, we present a…

….. (Hentet 13.maj 2020 ) ….. VIIRUS <> Crystal structure of bovine herpesvirus 1 glycoprotein D bound to nectin-1 reveals the basis for its low-affinity binding to the receptor Bovine herpesvirus 1 (BHV-1) has received increasing attention for its potential oncolytic applications. BHV-1 recognizes nectin-1 for cell entry via viral glycoprotein D (gD) but represents a low-affinity nectin-1 binding virus. The molecular basis underlying this low receptor-binding affinity, however, remains unknown. Here, the crystal structures of BHV-1 gD in the free and nectin-1–bound form

….. (Hentet 22.maj 2020 ) ….. VIIRUS <> Cytomegalovirus inhibition of extrinsic apoptosis determines fitness and resistance to cytotoxic CD8 T cells [Immunology and Inflammation] Viral immune evasion is currently understood to focus on deflecting CD8 T cell recognition of infected cells by disrupting antigen presentation pathways. We evaluated viral interference with the ultimate step in cytotoxic T cell function, the death of infected cells. The viral inhibitor of caspase-8 activation (vICA) conserved in human…

….. (Hentet 28.apr.2020 ) ….. VIIRUS <> Deadly virus turns honey bees into Trojan horses Sick bees better at passing muster with other colonies' guards

….. (Hentet 14.maj 2020 ) ….. VIIRUS <> Decoding the massively complex gut microbiome For something that has evolved with us over millions of years, and remains part of our physiology over our entire lives, our gut microbiome, oddly, remains somewhat of a mystery. Comprised of trillions of microbes of at least a thousand different species, this community of bacteria, viruses, protozoa and fungi in our gastrointestinal tracts is unique to each individual and has been found to be int

….. (Hentet 23.apr.2020 ) ….. VIIRUS <> 'Designer virus' is first new oral polio vaccine in 50 years Virologists report promising Phase 1 clinical results for the first new oral polio vaccine in 50 years, which they have designed to be incapable of evolving the ability to cause disease in humans.

….. (Hentet 21.maj 2020 ) ….. VIIRUS <> Detection of avian influenza virus: a comparative study of the in silico and in vitro performances of current RT-qPCR assays Scientific Reports, Published online: 21 maj 2020; doi:10.1038/s41598-020-64003-6

….. (Hentet 18.maj 2020 ) ….. VIIRUS <> Development of a long-acting direct-acting antiviral system for hepatitis C virus treatment in swine [Engineering] Chronic hepatitis C virus (HCV) infection is a leading cause of cirrhosis worldwide and kills more Americans than 59 other infections, including HIV and tuberculosis, combined. While direct-acting antiviral (DAA) treatments are effective, limited uptake of therapy, particularly in high-risk groups, remains a substantial barrier to eliminating HCV. We developed…

….. (Hentet 21.apr.2020 ) ….. VIIRUS <> Distinct modes of manipulation of rice auxin response factor OsARF17 by different plant RNA viruses for infection [Plant Biology] Plant auxin response factor (ARF) transcription factors are an important class of key transcriptional modulators in auxin signaling. Despite the well-studied roles of ARF transcription factors in plant growth and development, it is largely unknown whether, and how, ARF transcription factors maj be involved in plant resistance to pathogens. We…

….. (Hentet 6.maj 2020 ) ….. VIIRUS <> Djurutrotning ger fler pandemier Jakt, handel, skogs- och lantbruk och urbanisering leder till allt fler utrotningshotade djur, men det ökar också risken för att människor smittas av virus från vilda djur enligt amerikanska forskare.

….. (Hentet 27.apr.2020 ) ….. VIIRUS <> Effects of an HIV-1 maturation inhibitor on the structure and dynamics of CA-SP1 junction helices in virus-like particles [Biophysics and Computational Biology] HIV-1 maturation involves conversion of the immature Gag polyprotein lattice, which lines the inner surface of the viral membrane, to the mature capsid protein (CA) lattice, which encloses the viral RNA. Maturation inhibitors such as bevirimat (BVM) bind within six-helix bundles, formed by a segment that spans the junction between…

….. (Hentet 19.maj 2020 ) ….. VIIRUS <> Emerging viral diseases causing serious issues in west Africa In a new study, researchers from the Colorado School of Public Health at the University of Colorado Anschutz Medical Campus call attention to the emergence of mosquito-borne viral outbreaks in West Africa, such as dengue (DENV), chikungunya (CHIKV) and Zika (ZIKV) viruses.

….. (Hentet 20.maj 2020 ) ….. VIIRUS <> Epstein-Barr virus co-opts TFIIH component XPB to specifically activate essential viral lytic promoters [Microbiology] Epstein–Barr virus (EBV) is associated with epithelial and lymphoid malignancies, establishes latent infection in memory B cells, and intermittently produces infectious virions through lytic replication. Released virions play a key role in latent reservoir maintenance and transmission. Lytic EBV transcription differs from cellular transcription in requiring a virus-encoded preinitiation complex…

….. (Hentet 23.apr.2020 ) ….. VIIRUS <> Evolving epidemiology of poliovirus serotype 2 following withdrawal of the serotype 2 oral poliovirus vaccine Although there have been no cases of serotype 2 wild poliovirus for more than 20 years, transmission of serotype 2 vaccine-derived poliovirus (VDPV2) and associated paralytic cases in several continents represent a threat to eradication. The withdrawal of the serotype 2 component of oral poliovirus vaccine (OPV2) was implemented in April 2016 to stop VDPV2 emergence and secure eradication of all

….. (Hentet 11.maj 2020 ) ….. VIIRUS <> Flying foxes in South Australia exposed to zoonotic viruses Researchers have found that South Australia's population of grey-headed flying foxes, which took up residence in 2010, has been exposed to a number of viruses, including Hendra virus that can be transmitted to humans via horses. But they have not found evidence of exposure to Australian bat lyssavirus.

….. (Hentet 28.apr.2020 ) ….. VIIRUS <> Frozen bull semen may have unleashed bluetongue virus on farm animals The ongoing spread of bluetongue virus among European farm animals maj have started when a cow was inseminated with infected bull semen stored from an earlier outbreak

….. (Hentet 1.maj 2020 ) ….. VIIRUS <> Genome organization and interaction with capsid protein in a multipartite RNA virus [Biochemistry] We report the asymmetric reconstruction of the single-stranded RNA (ssRNA) content in one of the three otherwise identical virions of a multipartite RNA virus, brome mosaic virus (BMV). We exploit a sample consisting exclusively of particles with the same RNA content—specifically, RNAs 3 and 4—assembled in planta by agrobacterium-mediated transient…

….. (Hentet 30.apr.2020 ) ….. VIIRUS <> Grim Powell sets Fed up for the long haul With warning on slow recovery, central bank chief promises to fight economic fallout of virus

….. (Hentet 13.maj 2020 ) ….. VIIRUS <> Gut ecology–ge051320.php For something that has evolved with us over millions of years, and remains part of our physiology over our entire lives, our gut microbiome, oddly, remains somewhat of a mystery. Comprised of trillions of microbes of at least a thousand different species, this community of bacteria, viruses, protozoa and fungi in our gastrointestinal tracts is unique to each individual and has been found to be int

….. (Hentet 27.apr.2020 ) ….. VIIRUS <> Herpes virus decoded: Individual genes now more precisely identified and studied Until now, scientists had assumed that there are about 80 so-called open reading frames (ORFs) in the genome of herpes simplex virus 1 (HSV-1). These are the locations in the genome where the information in the DNA is read and translated into proteins. It is now clear that there are a lot more—namely 284 ORFs. These are translated from hundreds of novel viral transcripts, which have now also been

….. (Hentet 27.apr.2020 ) ….. VIIRUS <> Honey bee virus causes context-dependent changes in host social behavior [Ecology] Anthropogenic changes create evolutionarily novel environments that present opportunities for emerging diseases, potentially changing the balance between host and pathogen. Honey bees provide essential pollination services, but intensification and globalization of honey bee management has coincided with increased pathogen pressure, primarily due to a parasitic mite/virus complex. Here, we investig

….. (Hentet 8.maj 2020 ) ….. VIIRUS <> How herpes simplex virus can evade the immune response to infect the brain A research team has discovered a molecular mechanism that helps Herpes simplex virus (HSV1) evade the innate immune system and infect the brain causing a rare disease with high mortality. The study from Aarhus University, University of Oxford, and University of Gothenburg, led by first author Chiranjeevi Bodda in Søren Paludan's lab, will be published maj 8 in the Journal of Experimental Medicine

….. (Hentet 24.apr.2020 ) ….. VIIRUS <> How the immune system reacts to hepatitis C viruses The interferon-stimulated gene C19orf66 plays an important role in the defence against hepatitis C viruses. A research team at Ruhr-Universität Bochum (RUB) headed by Professor Eike Steinmann from the Department for Molecular and Medical Virology has now studied how C19orf66 works. The results show that C19orf66 disrupts the formation of the viral replication machinery.

….. (Hentet 21.apr.2020 ) ….. VIIRUS <> Human papillomavirus confers radiosensitivity in oropharyngeal cancer cells The cover for issue 16 of Oncotarget features Figure 6, 'Radiation-induced DNA damage measured by γ-H2AX foci formation at a specified time point after 10 Gy irradiation,' by Zhang, et al.

….. (Hentet 27.apr.2020 ) ….. VIIRUS <> Hur nyfödda smittas av hepatit C kan leda till nya behandlingar Trots att mamman är smittad med hepatit C föds bara cirka fem procent med sjukdomen. Den låga siffran kan förklaras med att barnets immunförsvar redan lyckats slå ut viruset innan födseln. Mekanismen hos de osmittade barnens immunförsvar kan öppna för nya behandlingsmetoder i framtiden, enligt en studie från Karolinska institutet. I motsats till andra sjukdomar som smittas via blodet, som HIV och

….. (Hentet 22.apr.2020 ) ….. VIIRUS <> Immune responses hint why some children get milder RSV infections than others By studying a cohort of 190 children, a research team has discovered important clues that could help explain why some children with respiratory syncytial virus (RSV) infections get mild cases while others get more severe disease and require hospitalization.

….. (Hentet 28.apr.2020 ) ….. VIIRUS <> Infectious KoRV-related retroviruses circulating in Australian bats [Microbiology] Bats are reservoirs of emerging viruses that are highly pathogenic to other mammals, including humans. Despite the diversity and abundance of bat viruses, to date they have not been shown to harbor exogenous retroviruses. Here we report the discovery and characterization of a group of koala retrovirus-related (KoRV-related) gammaretroviruses in…

….. (Hentet 15.maj 2020 ) ….. VIIRUS <> Innovative virus research may save wheat and other crops Scientists have solved a 20-year-old genetics puzzle that could result in ways to protect wheat, barley, and other crops from a devastating infection.

….. (Hentet 22.apr.2020 ) ….. VIIRUS <> Linking indirect effects of cytomegalovirus in transplantation to modulation of monocyte innate immune function Cytomegalovirus (CMV) is an important cause of morbidity and mortality in the immunocompromised host. In transplant recipients, a variety of clinically important "indirect effects" are attributed to immune modulation by CMV, including increased mortality from fungal disease, allograft dysfunction and rejection in solid organ transplantation, and graft-versus-host-disease in stem cell transplantat

….. (Hentet 21.maj 2020 ) ….. VIIRUS <> Long-term alterations in brain and behavior after postnatal Zika virus infection in infant macaques Nature Communications, Published online: 21 maj 2020; doi:10.1038/s41467-020-16320-7 The consequences of postnatal Zika infection are not fully understood. Here, the authors show that postnatal Zika infection in infant rhesus macaques alters neurodevelopment resulting in social, cognitive and motor impairments, as well as structural and functional changes in the brain.

….. (Hentet 7.maj 2020 ) ….. VIIRUS <> Lymfkörtlarnas lymfkärl hos mus och människa Forskare från Uppsala universitet har i ett internationellt samarbete kartlagt lymfkörtlarnas lymfkärl hos mus och människa, ända ner på enskild cellnivå. Resultaten kan hjälpa forskare att på sikt hitta nya metoder för hur immunförsvaret kan stärkas mot bland annat virus och vid cancer. Lymfkörtlarna är viktiga för vår kropps immunsystem eftersom deras unika mikromiljö är nödvändig för ett effek

….. (Hentet 5.maj 2020 ) ….. VIIRUS <> Lymphatic vessels in mice and humans: Alike yet different In an international collaboration, researchers have mapped the lymph node lymphatic vessels in mice and humans down to the level of individual cells. The results maj eventually help scientists to discover new methods for strengthening the immune system against viruses and cancer.

….. (Hentet 17.maj 2020 ) ….. VIIRUS <> Majority of UK public supports windfall taxes Deficit expected to be more than £300bn in current financial year because of virus impact

….. (Hentet 21.maj 2020 ) ….. VIIRUS <> Microbiome disturbance and resilience dynamics of the upper respiratory tract during influenza A virus infection Nature Communications, Published online: 21 maj 2020; doi:10.1038/s41467-020-16429-9 Influenza A virus (IAV) infection can be exacerbated by bacterial co-infections but the effect of IAV on the upper respiratory tract (URT) microbiome remains unclear. Here, the authors compare the dynamics of the UTR microbiome in IAV-infected ferrets and humans, finding similar trends at the ecosystem and indivi

….. (Hentet 11.maj 2020 ) ….. VIIRUS <> Mortality and risk of progression to adult T cell leukemia/lymphoma in HTLV-1-associated myelopathy/tropical spastic paraparesis [Microbiology] Human T cell leukemia virus 1 (HTLV-1) causes the functionally debilitating disease HTLV-1–associated myelopathy/tropical spastic paraparesis (HAM/TSP) as well as adult T cell leukemia lymphoma (ATLL). Although there were concerns that the mortality of HAM/TSP could be affected by the development of ATLL, prospective evidence was lacking in this area….

….. (Hentet 20.maj 2020 ) ….. VIIRUS <> Nature-inspired CRISPR enzymes for expansive genome editing In nature, bacteria use CRISPR as an adaptive immune system to protect themselves against viruses. Over the past decade, scientists have been able to successfully build upon that natural phenomenon with the discovery of CRISPR proteins found in bacteria—the most widely used of which is the Cas9 enzyme. In combination with a guide RNA, Cas9 is able to target, cut, and degrade specific DNA sequences

….. (Hentet 27.apr.2020 ) ….. VIIRUS <> New findings on hepatitis C in infants can lead to improved treatments Only about 5% of the babies born to mothers with hepatitis C are themselves infected by the disease. A possible reason for this low figure is that the baby's immune system has already destroyed the virus before birth. A new study from researchers at Karolinska Institutet published in the journal Gut reveals clear adaptations of the uninfected babies' immune system that can lead the way to new trea

….. (Hentet 8.maj 2020 ) ….. VIIRUS <> New study shines light on mysterious giant viruses In recent years, giant viruses have been unearthed in several of the world's most mysterious locations, from the thawing permafrost of Siberia to locations unknown beneath the Antarctic ice. But don't worry, 'The Thing' is still a work of science fiction. For now.

….. (Hentet 16.apr.2020 ) ….. VIIRUS <> New universal Ebola vaccine may fight all four virus species that infect humans Infectious disease scientists report early development of a potential universal vaccine for Ebola viruses that preclinical tests show might neutralize all four species of these deadly viruses infecting people in recent outbreaks, mainly in Africa. Although still in early preclinical testing, researchers report that their data indicate that the prospective vaccine has potential to be a stand-alone

….. (Hentet 7.maj 2020 ) ….. VIIRUS <> Plant viruses could be used to prevent and treat human autoimmune diseases Researchers have taken positive steps towards using plant virus-based particles for the treatment of human autoimmune diseases such as type 1 diabetes and rheumatoid arthritis.

….. (Hentet 21.maj 2020 ) ….. VIIRUS <> Plant virus-like particles as vehicles for therapeutic antibodies Monoclonal antibodies are those that originate from identical immune cells having a common origin. They are highly effective, non-toxic and can specifically target diseased cells, and are therefore used in immunotherapy to treat diseases such as psoriasis, cancer and autoimmune disorders. However, since antibodies are unable to cross the cell membrane, they have mainly been used against antigens p

….. (Hentet 30.apr.2020 ) ….. VIIRUS <> Population history in Okinawa based on JC virus and ALDH2 genotypes Scientific Reports, Published online: 30 April 2020; doi:10.1038/s41598-020-64194-y

….. (Hentet 4.maj 2020 ) ….. VIIRUS <> Positive epistasis between viral polymerase and the 3' untranslated region of its genome reveals the epidemiologic fitness of dengue virus [Microbiology] Dengue virus (DENV) is a global health threat, causing repeated epidemics throughout the tropical world. While low herd immunity levels to any one of the four antigenic types of DENV predispose populations to outbreaks, viral genetic determinants that confer greater fitness for epidemic spread is an important but poorly understood…

….. (Hentet 7.maj 2020 ) ….. VIIRUS <> Possible vaccine for virus linked to type 1 diabetes According to many observations, certain virus infections maj play a part in the autoimmune attack that leads to type 1 diabetes. Researchers have now produced a vaccine for these viruses in the hope that it could provide protection against the disease.

….. (Hentet 6.maj 2020 ) ….. VIIRUS <> Prevention and treatment of autoimmune diseases with plant virus nanoparticles Plant viruses are natural, self-assembling nanostructures with versatile and genetically programmable shells, making them useful in diverse applications ranging from the development of new materials to diagnostics and therapeutics. Here, we describe the design and synthesis of plant virus nanoparticles displaying peptides associated with two different autoimmune diseases. Using animal models, we

….. (Hentet 28.apr.2020 ) ….. VIIRUS <> PSGL-1 restricts HIV-1 infectivity by blocking virus particle attachment to target cells [Microbiology] P-selectin glycoprotein ligand-1 (PSGL-1) is a dimeric, mucin-like, 120-kDa glycoprotein that binds to P-, E-, and L-selectins. PSGL-1 is expressed primarily on the surface of lymphoid and myeloid cells and is up-regulated during inflammation to mediate leukocyte tethering and rolling on the surface of endothelium for migration into inflamed tissues….

….. (Hentet 8.maj 2020 ) ….. VIIRUS <> Rabbit Virus Could Provide Gene Therapy Originally published in February 1967

….. (Hentet 20.apr.2020 ) ….. VIIRUS <> Researchers develop a physical model of the optimal immune repertoire for bacteria Before CRISPR became a household name as a tool for gene editing, researchers had been studying this unique family of DNA sequences and its role in the bacterial immune response to viruses. The region of the bacterial genome known as the CRISPR cassette contains pieces of viral genomes, a genomic "memory" of previous infections. But what was surprising to researchers is that rather than storing re

….. (Hentet 27.apr.2020 ) ….. VIIRUS <> Researchers' method holds promise for brain study, better tests for viruses Researchers have developed a promising method for remotely stimulating activity in deep brain regions, advancing understanding of how molecules act in the brain and paving the way for better cancer treatments and therapies for other diseases.

….. (Hentet 8.maj 2020 ) ….. VIIRUS <> Risk of arbovirus emergence via bridge vectors: case study of the sylvatic mosquito Aedes malayensis in the Nakai district, Laos Scientific Reports, Published online: 08 maj 2020; doi:10.1038/s41598-020-64696-9

….. (Hentet 12.maj 2020 ) ….. VIIRUS <> Rotavirus vaccination leads to reduced hospitalizations, fewer infant deaths Vaccination against rotavirus has led to a significant decrease in hospitalisations and deaths of children due to severe diarrhoea in the Western Pacific region, a new study has found.

….. (Hentet 21.apr.2020 ) ….. VIIRUS <> Scientists shed new light on viral protein shell assembly New insight on the conditions that control self-assembly in the protective shell of viruses has just been published.

….. (Hentet 27.apr.2020 ) ….. VIIRUS <> Scientists uncover how Zika virus can spread through sexual contact Zika virus is capable of replicating and spreading infectious particles within the outermost cells lining the vaginal tract, according to new research. The findings provide the first molecular-level insights into how the virus can move from person to person through sexual contact.

….. (Hentet 20.apr.2020 ) ….. VIIRUS <> Silent, airborne transmission likely to be a key factor in scarlet fever outbreaks New research due to be presented at the European Congress of Clinical Microbiology and Infectious Diseases (ECCMID) shows that the airborne transmission, both through symptomatic patients and those who are shedding the virus with no symptoms, maj be key factors in the spread of scarlet fever.

….. (Hentet 12.maj 2020 ) ….. VIIRUS <> Silver nanocubes make point-of-care diagnostics easier to read Engineers at Duke University have shown that nanosized silver cubes can make diagnostic tests that rely on fluorescence easier to read by making them more than 150 times brighter. Combined with an emerging point-of-care diagnostic platform already shown to be able to detect small traces of viruses and other biomarkers, the approach could allow such tests to become much cheaper and more widespread.

….. (Hentet 22.apr.2020 ) ….. VIIRUS <> Structural basis for Zika envelope domain III recognition by a germline version of a recurrent neutralizing antibody [Biochemistry] Recent epidemics demonstrate the global threat of Zika virus (ZIKV), a flavivirus transmitted by mosquitoes. Although infection is usually asymptomatic or mild, newborns of infected mothers can display severe symptoms, including neurodevelopmental abnormalities and microcephaly. Given the large-scale spread, symptom severity, and lack of treatment or prophylaxis, a safe and…

….. (Hentet 5.maj 2020 ) ….. VIIRUS <> Structural basis of nanobody recognition of grapevine fanleaf virus and of virus resistance loss [Biophysics and Computational Biology] Grapevine fanleaf virus (GFLV) is a picorna-like plant virus transmitted by nematodes that affects vineyards worldwide. Nanobody (Nb)-mediated resistance against GFLV has been created recently, and shown to be highly effective in plants, including grapevine, but the underlying mechanism is unknown. Here we present the high-resolution cryo electron microscopy structure…

….. (Hentet 29.apr.2020 ) ….. VIIRUS <> Structural monitoring of a transient intermediate in the hemagglutinin fusion machinery on influenza virions The influenza virus hemagglutinin (HA) fusion protein has long been viewed as a "spring-loaded" fusion machine whereby activation at low pH initiates a rapid and irreversible cascade of conformational changes that drives the membrane fusion reaction. This mechanism has shaped our understanding of how type 1 viral fusion proteins function as a whole. Experimental limitations have hindered efforts

….. (Hentet 27.apr.2020 ) ….. VIIRUS <> Study analyzes contamination in drug manufacturing plants Over the past few decades, there have been a handful of incidents in which manufacturing processes for making protein drugs became contaminated with viruses at manufacturing plants. These were all discovered before the drugs reached patients, but many of the incidents led to costly cleanups and in one instance a drug shortage.

….. (Hentet 20.maj 2020 ) ….. VIIRUS <> Study indicates the need to revise the protocol for detecting Zika in placenta Brazilian researchers show that the virus can infect different placental regions and that collection and storage methods should be taken into consideration to ensure that the results are trustworthy and representative.

….. (Hentet 28.apr.2020 ) ….. VIIRUS <> Success in specific detection of molecules using deformation of a single atomic sheet Toyohashi University of Technology developed a test chip using graphene, a sheet material with a thickness of one carbon atom. The chip has a trampoline structure with a narrow gap of 1 micrometer or less formed under a monoatomic graphene film, and can specifically trap a biomarker, a protein included in bodily fluids, on graphene. It's expected that viruses and diseases will be able to be simply

….. (Hentet 28.apr.2020 ) ….. VIIRUS <> Synthetic antibodies built with bacterial superglue could help fight emerging viruses Synthetic antibodies constructed using bacterial superglue can neutralize potentially lethal viruses, according to a new study.

….. (Hentet 21.apr.2020 ) ….. VIIRUS <> Targeting multiple brain cell types through engineered viral capsids Viruses are nature's Trojan horses: They gain entrance to cells, smuggle in their genetic material, and use the cell's own machinery to replicate. For decades, scientists have studied how to minimize their deleterious effects and even repurpose these invaders to deliver not their own viral genome, but therapeutics for treating disease and tools for studying cells. To be effective in these new role

….. (Hentet 11.maj 2020 ) ….. VIIRUS <> Techtopia #150: EUvsVirus Hackathon Over 20.000 deltagere med over 2.000 projekter deltog i det nyligt overståede hackathon mod virus, som EU-Kommisionen afholdt.

….. (Hentet 14.maj 2020 ) ….. VIIRUS <> Tenofovir prodrugs potently inhibit Epstein-Barr virus lytic DNA replication by targeting the viral DNA polymerase [Microbiology] Epstein–Barr virus (EBV) is a ubiquitous human γ-herpesvirus that establishes life-long infection and increases the risk for the development of several cancers and autoimmune diseases. The mechanisms by which chronic EBV infection leads to subsequent disease remain incompletely understood. Lytic reactivation plays a central role in the development of EBV-driven…

….. (Hentet 25.apr.2020 ) ….. VIIRUS <> The Atlantic Daily: It's Keanu Every weekday evening, our editors guide you through the biggest stories of the day, help you discover new ideas, and surprise you with moments of delight. Subscribe to get this delivered to your inbox . I keep returning to something my colleague Ed Yong wrote : There are two groups of Americans right now. Group A consists of those fighting the virus. Group B is everyone else, and its only job is

….. (Hentet 19.maj 2020 ) ….. VIIRUS <> The mental and physical health benefits of ecotherapy What was once considered a simple practice and ideology about the benefits of nature has been proven in multiple studies to positively impact our physical and mental health. Some of the benefits of spending time in nature can be: a boost in killer-cells that fight off viruses, an ability to maintain focus and improvement in mental health conditions such as anxiety, depression and other mood disor

….. (Hentet 1.maj 2020 ) ….. VIIRUS <> The structural basis of African swine fever virus pA104R binding to DNA and its inhibition by stilbene derivatives [Microbiology] African swine fever virus (ASFV) is a highly contagious nucleocytoplasmic large DNA virus (NCLDV) that causes nearly 100% mortality in swine. The development of effective vaccines and drugs against this virus is urgently needed. pA104R, an ASFV-derived histone-like protein, shares sequence and functional similarity with bacterial HU/IHF family members and…

….. (Hentet 21.maj 2020 ) ….. VIIRUS <> These brain regions are the stomach's master controllers Nature, Published online: 21 maj 2020; doi:10.1038/d41586-020-01508-0 Rabies virus helps to trace the nerve network that keeps the stomach in good form.

….. (Hentet 21.maj 2020 ) ….. VIIRUS <> Tick-borne encephalitis spread across Eurasia with settlers and their pets and prey Researchers from Sechenov University together with colleagues from several Russian institutes analysed data on the RNA structure of tick-borne encephalitis virus. Much larger than in previous studies, the data volume of the new study allowed them to estimate the age of the virus subtypes and track its spread in Eurasia. The results of the study were published in the journal Viruses.

….. (Hentet 30.apr.2020 ) ….. VIIRUS <> Tinctures of time and Schrödinger's virus [no content]

….. (Hentet 29.apr.2020 ) ….. VIIRUS <> To prevent antimicrobial resistance, vaccinate the world's kids Childhood vaccination maj be a powerful tool in the fight against antimicrobial resistance in low- and middle-income countries, finds a new analysis. The study found that immunization with two common vaccines — the pneumococcal conjugate and rotavirus vaccines — significantly reduces the rates of acute respiratory infections and diarrhea among small children in these settings. And, with fewer ch

….. (Hentet 21.apr.2020 ) ….. VIIRUS <> Toddlers born with Zika virus seem to be affected in multiple ways Thousands of babies were born with severe brain damage after the 2015 Zika outbreak. New findings could tell us which therapies could help them most

….. (Hentet 30.apr.2020 ) ….. VIIRUS <> Transatlantic slavery introduced infectious diseases to the Americas The remains of three slaves found in Mexico contain the earliest signs of the hepatitis B virus and yaws bacteria in the Americas, suggesting transatlantic slavery introduced these diseases

….. (Hentet 21.maj 2020 ) ….. VIIRUS <> TRM integrins CD103 and CD49a differentially support adherence and motility after resolution of influenza virus infection [Immunology and Inflammation] Tissue-resident memory CD8 T (TRM) cells are a unique immune memory subset that develops and remains in peripheral tissues at the site of infection, providing future host resistance upon reexposure to that pathogen. In the pulmonary system, TRM are identified through S1P antagonist CD69 and expression of integrins CD103/β7 and…

….. (Hentet 1.maj 2020 ) ….. VIIRUS <> Understanding the initial immune response after dengue virus infection This study sheds new light on the body's initial response to dengue virus infection, describing the molecular diversity and specificity of the antibody response. These results identify an unappreciated role for DENV-reactive IgA antibodies and set the stage for future work to fully characterize the body's immune response to DENV, understand risk factors to severe dengue and ultimately could be cri

….. (Hentet 11.maj 2020 ) ….. VIIRUS <> University of Toledo scientists discover new targets for preventing damage from viral infections When the body faces stressful conditions such as high temperatures or lack of nutrients, cells produce the same large structures they make to combat virus infections.

….. (Hentet 20.maj 2020 ) ….. VIIRUS <> Viral infection impacts transposable element transcript amounts in Drosophila [Genetics] Transposable elements (TEs) are genomic parasites that are found in all genomes, some of which display sequence similarity to certain viruses. In insects, TEs are controlled by the Piwi-interacting small interfering RNA (piRNA) pathway in gonads, while the small interfering RNA (siRNA) pathway is dedicated to TE somatic control and…

….. (Hentet 28.apr.2020 ) ….. VIIRUS <> Viral zoonotic risk is homogenous among taxonomic orders of mammalian and avian reservoir hosts [Ecology] The notion that certain animal groups disproportionately maintain and transmit viruses to humans due to broad-scale differences in ecology, life history, and physiology currently influences global health surveillance and research in disease ecology, virology, and immunology. To directly test whether such "special reservoirs" of zoonoses exist, we used literature searches…

….. (Hentet 1.maj 2020 ) ….. VIIRUS <> Virus fra afføring hjælper mod fedme og diabetes, tyder ny forskning på Transplantation af afføring bruges i dag til at behandle visse former for antibiotikaresistent diarré…

….. (Hentet 28.apr.2020 ) ….. VIIRUS <> Virus genomes help to explain why a major livestock disease has re-emerged in Europe Livestock diseases like bluetongue virus (BTV) can have devastating economic and health consequences, but their origins can be difficult to establish. New research shows that the recent re-emergence of BTV in France could have been caused by human activities, based on the virus' unusual genetic makeup.

….. (Hentet 13.maj 2020 ) ….. VIIRUS <> Virus protein discovery reveals new plant-animal class of cell division disruptors Viruses are ubiquitous pathogens that can cause severe infectious diseases in both humans and agricultural crops. As most viruses have simple genomes and encode only a few proteins, they must usurp host cell resources for propagation. Understanding what host processes are disrupted and which viral proteins are involved greatly facilitate the design of therapeutic measures for controlling viral dis

….. (Hentet 4.maj 2020 ) ….. VIIRUS <> Viruses from feces can help combat obesity and diabetes Fecal transplants are currently used to treat certain types of antibiotic-resistant diarrhea and has also been attempted to treat e.g. inflammatory bowel disease. A new study suggests that transplanted intestinal contents could also be effective against obesity and type 2 diabetes. By transplanting feces without bacteria obese mice on a high-fat diet significantly decreased weight gain and normali

….. (Hentet 30.apr.2020 ) ….. VIIRUS <> Virus-Infected Bees Practice Social Distancing Bees infected with a virus cut back on interactions within their hive but find it easier to get past sentries at neighboring hives.

….. (Hentet 27.apr.2020 ) ….. VIIRUS <> Virus-infected honey bees more likely to gain entrance to healthy hives Honey bees that guard hive entrances are twice as likely to allow in trespassers from other hives if the intruders are infected with the Israeli acute paralysis virus, a deadly pathogen of bees, researchers report.

….. (Hentet 8.maj 2020 ) ….. VIIRUS <> Virusvaccin kan skydda mot typ 1-diabetes Vissa virusinfektioner verkar spela en roll i den autoimmunitet som ligger bakom typ 1-diabetes. Forskare vid Karolinska Institutet har nu, tillsammans med finska kollegor, tagit fram ett vaccin mot dessa virus, i förhoppning om att det ska kunna ge ett skydd mot typ 1-diabetes. Uppskattningsvis 50 000 svenskar lever med typ 1-diabetes, som ibland kallas för barndiabetes. Det är inte känt vad som

….. (Hentet 15.maj 2020 ) ….. VIIRUS <> Vollebak's Metal Jacket Is Armor Against … Something With its copper-infused garment, the company is looking to provide disease-resistant clothing—but has yet to actually test it.

….. (Hentet 13.maj 2020 ) ….. VIIRUS <> Yale researchers discover how HIV hides from treatment Even after successful antiretroviral therapy, HIV can hide dormant in a tiny number of immune system cells for decades and re-emerge to threaten the life of its host. Now Yale University researchers have discovered a molecular explanation for how the virus accomplishes this insidious trick, they report maj 13 in the journal Science Translational Medicine.

….. (Hentet 5.maj 2020 ) ….. VIIRUS <> Yet more potential in viruses from poo Danish researchers find links to two diseases.

….. (Hentet 5.maj 2020 ) ….. VIIRUS <> Zika virus noncoding RNA suppresses apoptosis and is required for virus transmission by mosquitoes Nature Communications, Published online: 05 maj 2020; doi:10.1038/s41467-020-16086-y The function on subgenomic flaviviral RNA (sfRNA) in the mosquito vector is not well understood. Here, Slonchak et al. show that sfRNA affects virus-induced apoptosis and dissemination of ZIKV in Aedes aegypti mosquitoes, suggesting a role of sfRNA in Zika virus replication and transmission.

….. (Hentet 23.maj 2020 ) ….. fakenews <> Weekend reads: Hamsters, cats, dogs, and other fake authors; a fraudster regains her medical license; how to ruin journal titles Before we present this week's Weekend Reads, a question: Do you enjoy our weekly roundup? If so, we could really use your help. Would you consider a tax-deductible donation to support Weekend Reads, and our daily work? Thanks in advance. Sending thoughts to our readers and wishing them the best in this uncertain time. The week … Continue reading

….. (Hentet 13.maj 2020 ) ….. fakenews <> Why anti-vaxxers often win out on Facebook Groups that spread vaccine misinformation on social media have more impact than government health agencies and other expert organizations on undecided people, a new study finds.

….. (Hentet 29.apr.2020 ) ….. Climate Climate Adaptation Risks Displacing Vulnerable Communities, If Not Done Right Resilience measures to deal with flooding and other climate impacts must be balanced with issues like affordable housing

….. (Hentet 19.maj 2020 ) ….. Climate Climate change and the aridification of North America [Commentaries] Discussions of droughts and their impacts often center on the lack of precipitation, just as assessments of hydrologic impacts under a changing climate most often focus on how average precipitation in a given locale is likely to change in the future. Within climate science, however, focus has begun to include…

….. (Hentet 21.maj 2020 ) ….. Climate Climate change could cause droughts across North America While increasing aridity is already a clear trend across the western United States, at the same time, human-caused warming is also driving increased aridity eastward across North America, with no end in sight, researchers report. Climate change is contributing to declining river flows, drier soils, widespread tree death, stressed agricultural crops, catastrophic wildfires , and protracted drought

….. (Hentet 8.maj 2020 ) ….. Climate Climate change has already made parts of the world too hot for humans Global warming has already made parts of the world – including cities in Pakistan and the United Arab Emirates – hotter than the human body can withstand

….. (Hentet 22.maj 2020 ) ….. Climate Climate change helped produce San Diego's huge ocean heat wave in 2018, researchers find University of California, San Diego researchers have confirmed that climate change helped produce the historic 43-day ocean heat wave that drew big crowds to San Diego beaches during the summer of 2018.

….. (Hentet 11.maj 2020 ) ….. Climate Climate change in northern climes Studies assess peatlands and monitor methane.

….. (Hentet 18.maj 2020 ) ….. Climate Climate Change Is Making Hurricanes Stronger, Researchers Find An analysis of satellite imagery from the past four decades suggests that global warming has increased the chances of storms reaching Category 3 or higher.

….. (Hentet 21.maj 2020 ) ….. Climate Climate Change Is Turning Parts of Antarctica Green, But It's Not Grass Nuts.

….. (Hentet 20.maj 2020 ) ….. Climate Climate change is turning parts of Antarctica green, say scientists Researchers map 'beginning of new ecosystem' as algae bloom across surface of melting snow Scientists have mapped "the beginning of a new ecosystem" on the Antarctic peninsula as microscopic algae bloom across the surface of the melting snow, tinting the surface green and potentially creating a source of nutrition for other species. The British team behind the research believe these blooms will e

….. (Hentet 18.maj 2020 ) ….. Climate Climate change makes repeat 'Dust Bowl' twice as likely Due to global warming, the United States is today more than twice as likely to endure a devastating "dust bowl" scenario than during the Great Depression, researchers said Monday.

….. (Hentet 29.apr.2020 ) ….. Climate Climate Change Threatens Drinking Water Quality Across the Great Lakes Warmer waters, heavier storms and nutrient pollution are a triple threat to Great Lakes cities' drinking water. The solution: Cutting nutrient releases and installing systems to filter runoff.

….. (Hentet 6.maj 2020 ) ….. Climate Climate change to make outdoor work more dangerous According to a recent study, the number of days agricultural works will spend in sweltering, unsafe conditions will double by 2050 and triple by 2100. These workers already face significant health risks due to compounding circumstances such as poverty, migrant status, and a lack of access to health care. Climate change will make many the United States' most fatal occupations more dangerous, but n

….. (Hentet 22.apr.2020 ) ….. Climate Climate change: 2019 was Europe's warmest year on record Europe is heating faster than the global average as data shows last year was the warmest on record.

….. (Hentet 18.maj 2020 ) ….. Climate Climate change: Future floods will delay emergency response Increases in rainfall in England could impact ambulance and fire crew response times.

….. (Hentet 5.maj 2020 ) ….. Climate Climate change: More than 3bn could live in extreme heat by 2070 Areas such as India, Australia and Africa are predicted to be among the worst affected.

….. (Hentet 19.maj 2020 ) ….. Climate Climate change: Scientists fear car surge will see CO2 rebound An analysis shows a huge daily CO2 drop, but a return to car travel maj see emissions rebound.

….. (Hentet 12.maj 2020 ) ….. Climate Climate change: Study pours cold water on oil company net zero claims Doubt is cast on claims fossil fuel companies are curbing their CO2 in line with net zero targets.

….. (Hentet 20.maj 2020 ) ….. Climate Climate change: Top 10 tips to reduce carbon footprint revealed A report lists some of the best ways people can tackle their own contribution to climate change.

….. (Hentet 15.maj 2020 ) ….. Climate Climate-driven aerobic habitat loss in the California Current System Climate warming is expected to intensify hypoxia in the California Current System (CCS), threatening its diverse and productive marine ecosystem. We analyzed past regional variability and future changes in the Metabolic Index (), a species-specific measure of the environment's capacity to meet temperature-dependent organismal oxygen demand. Across the traits of diverse animals, exhibits strong se

….. (Hentet 28.apr.2020 ) ….. Climate <> Varmere vand får delfiner til Danmark: Legesyge flokke boltrer sig i havet omkring os Hele tre delfinarter kan være ved at slå sig ned i danske farvande lige nu.

….. (Hentet 22.maj 2020 ) ….. Climate <> Volcanic-induced global monsoon drying modulated by diverse El Nino responses There remains large intersimulation spread in the hydrologic responses to tropical volcanic eruptions, and identifying the sources of diverse responses has important implications for assessing the side effects of solar geoengineering and improving decadal predictions. Here, we show that the intersimulation spread in the global monsoon drying response strongly relates to diverse El Niño responses

….. (Hentet 13.maj 2020 ) ….. Climate <> Voldsom stormflod kan lukke metroen i op til to år PLUS. Metroens kontrolcenter på Vestamager ligger meget udsat for stormflod fra syd. Metroselskabet erkender problemet og arbejder ligesom andre aktører på at få en fælles ydre sikring.

….. (Hentet 13.maj 2020 ) ….. Climate <> Voldsomme floder af smeltevand skabte måske Grønlands 'Grand Canyon' Hastige klimaforandringer og enorme mængder af is og smeltevand kan have udgravet en næsten…

….. (Hentet 2.maj 2020 ) ….. Climate <> Want to Study Permafrost? Get It Before It's Gone Alaska's frozen earth is a cryo chamber for ancient bone and bacteria specimens, and it sequesters carbon too. But climate change is causing its collapse.

….. (Hentet 1.maj 2020 ) ….. Climate <> Warm Circumpolar Deep Water transport toward Antarctica driven by local dense water export in canyons Poleward transport of warm Circumpolar Deep Water (CDW) has been linked to melting of Antarctic ice shelves. However, even the steady-state spatial distribution and mechanisms of CDW transport remain poorly understood. Using a global, eddying ocean model, we explore the relationship between the cross-slope transports of CDW and descending Dense Shelf Water (DSW). We find large spatial variability

….. (Hentet 8.maj 2020 ) ….. Climate <> Warming Arctic nudges wolf spiders to cannibalism As female wolf spiders in a warming Arctic grow larger and produce more offspring, increased competition triggers more cannibalism, researchers say. That in turn reduces the number of young spiders that survive to adulthood. "Although cannibalism is probably not the best dietary choice for these spiders, our field and experimental data suggest that when there are lots of spiders around, they turn

….. (Hentet 4.maj 2020 ) ….. Climate <> Warming Caused a Glacier in Alaska to Collapse Pooling meltwater destabilized the glacier, sending an avalanche of ice down a mountainside

….. (Hentet 19.maj 2020 ) ….. Climate <> Warming oceans choke fish as habitats get less 'breathable' The ability of marine animals to thrive in ocean water off the West Coast from Mexico to Canada maj depend on how "breathable" the water is, new research shows. The cool, nutrient-rich water of the California Current supports a variety of marine life, including invisible phytoplankton, economically important salmon, rockfish, and Dungeness crab, and majestic orcas. For the study in Science Advanc

….. (Hentet 27.apr.2020 ) ….. Climate <> Watch how researchers predict droughts months in advance Early warnings of drought can help prevent catastrophic famines

….. (Hentet 6.maj 2020 ) ….. Climate <> Wetter climate is likely to intensify global warming New study indicates the increase in rainfall forecast by global climate models is likely to hasten the release of carbon dioxide from tropical soils, further intensifying global warming by adding to human emissions of this greenhouse gas into Earth's atmosphere.

….. (Hentet 19.maj 2020 ) ….. Climate <> Why we need climate stoicism to overcome climate despair The phenomenon of climate despair is on the rise. Among the young, educated, and climate-concerned folks that society hopes will "be the change," many have become overwhelmed and immobilized by anxiety. The climate-despairing view global warming as a fundamentally unstoppable force that will ultimately render the Earth uninhabitable, believing that any change is too little, too late. For some, it

….. (Hentet 18.maj 2020 ) ….. Climate <> Wildfires increasing in size and frequency across Victoria A new study has shown for the first time the full extent of the areas burned by Victorian bushfires over the past two decades.

….. (Hentet 21.apr.2020 ) ….. Climate <> Will social distancing sidetrack the climate movement? Youth climate activists gathered online on a Saturday night in early April to make posters in preparation for the Earth Day march. (Lili Pike/) Late last month, climate activist Shiv Soin was scheduled to sit down with the New York City Police Department to negotiate permits for a protest that would pack downtown streets on April 22—the 50th anniversary of Earth Day. Now, along with most of the r

….. (Hentet 21.apr.2020 ) ….. <> 'Fiasco' as publisher misses authors' request to hold off publishing their paper on rubber gloves The authors of a 2019 paper on rubber gloves have retracted their work after the journal to which they'd submitted their manuscript somehow missed their request to put a hold on the article. The paper, "Are rubber gloves marketed as accelerator-free truly free of accelerators?," was published in Dermatitis, a Lippincott Williams & Wilkins title. … Continue reading

….. (Hentet 25.apr.2020 ) ….. <> 'I'm Just Living a Nightmare': Oil Industry Braces for Devastation submitted by /u/V2O5 [link] [comments]

….. (Hentet 26.apr.2020 ) ….. <> 'Insect apocalypse' not so clear-cut Mega-study shows declines are highly variable.

….. (Hentet 17.maj 2020 ) ….. <> 'Milestone' Evidence for Anyons, a Third Kingdom of Particles Physicists have long known that the universe is made from two kinds of particles: fermions and bosons. Now there's a third that behaves totally differently.

….. (Hentet 20.apr.2020 ) ….. <> "Mediebilden av romer legitimerar rasism" Rasism och främlingsfientlighet mot romer uttrycks subtilt i traditionella rumänska medier. Men på sociala medier tar sig rasismen mer extrema former. Det visar forskning från Örebro universitet Petre Breazu, doktor i medie- och kommunikationsvetenskap vid Örebro universitet, har i sin avhandling undersökt hur romer skildras i rumänska tidningar, tv-nyheter och sociala medier sedan landets EU-int

….. (Hentet 20.maj 2020 ) ….. <> 2-D molecular crystals modulating electronic properties of organic semiconductors Organic field-effect transistors (OFETs) are the heart of plastic electronics. Doping has been shown to improve the performance of OFETs effectively. There are two major ways of doping OSCs.

….. (Hentet 7.maj 2020 ) ….. <> 2-D oxide flakes pick up surprise electrical properties Rice University researchers have found evidence of piezoelectricity in lab-grown, two-dimensional flakes of molybdenum dioxide.

….. (Hentet 14.maj 2020 ) ….. <> 2D sandwich sees molecules with clarity A 2D platform of molybdenum, sulfur and selenium is adept at detecting biomolecules via surface-enhanced Raman spectroscopy. Its nonmetallic nature helps by curtailing background noise.

….. (Hentet 21.maj 2020 ) ….. <> 3 Major Materials Science Breakthroughs—and Why They Matter for the Future submitted by /u/dwaxe [link] [comments]

….. (Hentet 23.apr.2020 ) ….. <> 3D face photos could be a sleep apnea screening tool Facial features analyzed from 3D photographs could predict the likelihood of having obstructive sleep apnea, according to a new study.

….. (Hentet 13.maj 2020 ) ….. <> 3D VR blood flow to improve cardiovascular care Biomedical engineers are developing a massive fluid dynamics simulator that can model blood flow through the full human arterial system at subcellular resolution. One of the goals of the effort is to provide doctors with a virtual reality system that can guide their treatment plans by allowing them to simulate a patient's specific vasculature and accurately predict how decisions such as stent plac

….. (Hentet 20.maj 2020 ) ….. <> 3D-printed system speeds up solar cell testing from hours to minutes Tests on new designs for next-gen solar cells can now be done in minutes instead of days thanks to a new system.

….. (Hentet 24.apr.2020 ) ….. <> A Birthday Message from the Hubble Telescope I'm turning 30, and it's been an amazing journey so far

….. (Hentet 20.apr.2020 ) ….. <> A bit of disruption, simulated Milky Way could be catapulting stars into its outer halo, astronomers say.

….. (Hentet 21.apr.2020 ) ….. <> A Bridge for Tamarins One of the world's most spectacular primates has become a symbol of conservation in Brazil, where an overpass is being built over a major highway to keep the species going.

….. (Hentet 19.maj 2020 ) ….. <> A brief prehistory of double descent [Physical Sciences] In their thought-provoking paper, Belkin et al. (1) illustrate and discuss the shape of risk curves in the context of modern high-complexity learners. Given a fixed training sample size n, such curves show the risk of a learner as a function of some (approximate) measure of its complexity N. With…

….. (Hentet 21.apr.2020 ) ….. <> A Cdc42-mediated supracellular network drives polarized forces and Drosophila egg chamber extension Nature Communications, Published online: 21 April 2020; doi:10.1038/s41467-020-15593-2 During development, organs undergo large scale forces driven by the cytoskeleton but the precise molecular regulation of cytoskeletal networks remains unclear. Here, the authors report a Cdc42-dependent supracellular cytoskeletal network integrates local actomyosin contraction at tissue scale and drives global

….. (Hentet 23.apr.2020 ) ….. <> A cellular mechanism protecting against cancer Researchers have discovered a natural protective mechanism that leads to the programmed death of potentially diseased cells. It protects from cancer that can develop as a result of irregular distribution of genetic information to daughter cells. The enzyme separase plays a central role in these processes.

….. (Hentet 11.maj 2020 ) ….. <> A century of misunderstanding of a key tool in the economics of natural resources In the past few weeks, oil prices have fallen to record lows. This development was not predicted by the Hotelling rule, an equation proposed in 1931 that remains central to the economics of natural resources today. In an article published on 7 maj 2020 in the Canadian Journal of Economics, economists Roberto Ferreira da Cunha, of the Berkeley Research Group, and Antoine Missemer, of the CNRS, pres

….. (Hentet 20.apr.2020 ) ….. <> A cheap organic steam generator to purify water It has been estimated that in 2040 a quarter of the world's children will live in regions where clean and drinkable water is lacking. The desalination of seawater and the purification of wastewater are two possible methods to alleviate this, and researchers at Linköping University have developed a cheap and eco-friendly steam generator to desalinate and purify water using sunlight. The results hav

….. (Hentet 28.apr.2020 ) ….. <> A child's home environment can impact the risk of developing depression New research, published online today in the American Journal of Psychiatry, finds that children's rearing environment has a meaningful impact on their risk for major depression later in life, and notes the importance supporting of nurturing environments when children are at risk.

….. (Hentet 7.maj 2020 ) ….. <> A closer look at superconductors From sustainable energy to quantum computers: high-temperature superconductors have the potential to revolutionize today's technologies. Despite intensive research, however, we still lack the necessary understanding to develop these complex materials for widespread application. "Higgs spectroscopy" could bring about a watershed: It reveals the dynamics of paired electrons in superconductors. A tea

….. (Hentet 23.apr.2020 ) ….. <> A close-up view of the retrotranslocon [no content]

….. (Hentet 22.maj 2020 ) ….. <> A clue as to why it's so hard to wake up on a cold winter's morning Do you remember the challenge of waking up on winter's cold, dark days? Northwestern University neurobiologists have uncovered a clue to what's behind this behavior. In a study of the fruit fly, the researchers have identified a 'thermometer' circuit that relays information about external cold temperature from the fly antenna to the higher brain. They show how, through this circuit, seasonally col

….. (Hentet 12.maj 2020 ) ….. <> A combo of fasting plus vitamin C is effective for hard-to-treat cancers, study shows Researchers have discovered that a fasting-mimicking diet could be more effective at treating some types of cancer when combined with vitamin C. In studies on mice, researchers found that the combination delayed tumor progression in multiple mouse models of colorectal cancer; in some mice, it caused disease regression.

….. (Hentet 21.apr.2020 ) ….. <> A common polymorphism in the mechanosensitive ion channel PIEZO1 is associated with protection from severe malaria in humans [Microbiology] Malaria caused by the apicomplexan parasite Plasmodium falciparum has served as a strong evolutionary force throughout human history, selecting for red blood cell polymorphisms that confer innate protection against severe disease. Recently, gain-of-function mutations in the mechanosensitive ion channel PIEZO1 were shown to ameliorate Plasmodium parasite growth, blood–brain barrier dysfunction,…

….. (Hentet 18.maj 2020 ) ….. <> A deeper connection to hyaline fibromatosis syndrome Scientists have uncovered the molecular biology behind Hyaline Fibromatosis Syndrome, a severe genetic disease.

….. (Hentet 13.maj 2020 ) ….. <> A disease trigger for pancreatitis has been identified One factor contributing to the development of pancreatitis lies in mutations within a cell membrane ion channel that is characterized by its specific permeability for calcium ions. This groundbreaking discovery was made by a research team at Technical University of Munich (TUM), in cooperation with other groups from Germany, Japan and France. These insights could lead to the development of new the

….. (Hentet 25.apr.2020 ) ….. <> A Drone used to extinguish a building on fire by fireighters submitted by /u/Zahidistryn [link] [comments]

….. (Hentet 5.maj 2020 ) ….. <> A drug proves effective in the treatment of intestinal ischemia-reperfusion in animals The medicine, tested on rabbits, reduces complications from the treatment for the disease, a common veterinarian emergency among dogs and horses that stops blood circulation in the intestine.

….. (Hentet 21.apr.2020 ) ….. <> A dual effect of ursolic acid to the treatment of multiple sclerosis through both immunomodulation and direct remyelination [Neuroscience] Current multiple sclerosis (MS) medications are mainly immunomodulatory, having little or no effect on neuroregeneration of damaged central nervous system (CNS) tissue; they are thus primarily effective at the acute stage of disease, but much less so at the chronic stage. An MS therapy that has both immunomodulatory and neuroregenerative…

….. (Hentet 8.maj 2020 ) ….. <> A dual-purpose metabolic switch Compounds called inositol diphosphates are cellular signaling "codes" involved in multiple processes ranging from phosphate sensing to DNA metabolism.

….. (Hentet 23.apr.2020 ) ….. <> A Europe covered in grasslands or forests: Innovation and research on climate models Forestation is one of the main strategies recommended by the scientific community for climate change mitigation. But, would a European continent completely covered in forests be any cooler than one without forests?

….. (Hentet 23.maj 2020 ) ….. <> A Failure of Imagination Nature does not have to play fair with our puny human brains

….. (Hentet 22.apr.2020 ) ….. <> A genome-wide association study identifies key modulators of complement factor H binding to malondialdehyde-epitopes [Immunology and Inflammation] Genetic variants within complement factor H (CFH), a major alternative complement pathway regulator, are associated with the development of age-related macular degeneration (AMD) and other complementopathies. This is explained with the reduced binding of CFH or its splice variant factor H-like protein 1 (FHL-1) to self-ligands or altered self-ligands (e.g.,…

….. (Hentet 21.apr.2020 ) ….. <> A giant raft of rock may once have floated across Mars's ancient ocean Mars could have had an ancient ocean in its northern hemisphere, and a large raft of volcanic rock maj have floated across it to settle into mounds we can see today

….. (Hentet 28.apr.2020 ) ….. <> A great new way to paint 3-D-printed objects Rutgers engineers have created a highly effective way to paint complex 3-D-printed objects, such as lightweight frames for aircraft and biomedical stents, that could save manufacturers time and money and provide new opportunities to create "smart skins" for printed parts.

….. (Hentet 29.apr.2020 ) ….. <> A guide to the Nature Index Nature, Published online: 29 April 2020; doi:10.1038/d41586-020-01238-3 A description of the terminology and methodology used in this supplement, and a guide to the functionality available free online at

….. (Hentet 29.apr.2020 ) ….. <> A Harder Look at Alzheimer's Causes and Treatments Amyloid, the leading target for dementia therapy, faces skepticism after drug failures

….. (Hentet 5.maj 2020 ) ….. <> A hydrological model leads to advances in the creation of a world water map Water is a global resource which is essential for life on our planet, thus hydrological research and the study of its management has also become crucial work for the continuity of life on Earth. The availability of public data on water behavior such as data about river flow and rainfall are key for the research community in order to create a world water map. When drawing this map, the public and p

….. (Hentet 21.apr.2020 ) ….. <> A kinome-wide screen identifies a CDKL5-SOX9 regulatory axis in epithelial cell death and kidney injury Nature Communications, Published online: 21 April 2020; doi:10.1038/s41467-020-15638-6 Protein kinases have emerged as critical regulators of disease pathogenesis. Here, the authors have utilized kinome-wide screening approaches to reveal a pathogenic role of CDKL5 kinase in acute kidney injury, which is dependent on suppression of a SOX9-associated transcriptional network.

….. (Hentet 28.apr.2020 ) ….. <> A leap in using silicon for battery anodes The same material you'll find at the tip of a pencil—graphite—has long been a key component in today's lithium-ion batteries. As our reliance on these batteries increases, however, graphite-based electrodes are due for an upgrade. For that, scientists are looking to the element at the heart of the digital revolution: silicon.

….. (Hentet 14.maj 2020 ) ….. <> A lost world and extinct ecosystem The field study site of Pinnacle Point, South Africa, sits at the center of the earliest evidence for symbolic behavior, complex pyrotechnology, projectile weapons, and the first use of foods from the sea, both geographically and scientifically, having contributed much on the evolutionary road to being a modern human. A special issue of Quaternary Science Review has compiled research on this pivot

….. (Hentet 20.apr.2020 ) ….. <> A method for predicting antiviral drug or vaccine targets A novel method to predict the most promising targets for antiviral drugs or vaccines is based on the conformational changes viral glycoproteins go through during the process of recognition and binding to the host cell. This prediction method, which targets backbone hydrogen bonds for motifs with the highest free energy, is published in Journal of Computational Biology.

….. (Hentet 21.apr.2020 ) ….. <> A model for the interplay between plastic tradeoffs and evolution in changing environments [Biophysics and Computational Biology] Performance tradeoffs are ubiquitous in both ecological and evolutionary modeling, yet they are usually postulated and built into fitness and ecological landscapes. However, tradeoffs depend on genetic background and evolutionary history and can themselves evolve. We present a simple model capable of capturing the key feedback loop: evolutionary history shapes…

….. (Hentet 7.maj 2020 ) ….. <> A model to study HSV-Alzheimer's link [no content]

….. (Hentet 28.apr.2020 ) ….. <> A molecular pressure cooker tenderizes tough pieces of protein and helps to bite off Researchers have succeeded in promoting the amide bond cleavage by twisting the amide bond with enclosing and pressurizing amide molecules, analogs of small pieces of proteins, inside a hollow, self-assembled molecular cage, which has been developed by the researchers for many years. The rate of bond cleavage can be accelerated without chemical modifications. This result will lead to developing no

….. (Hentet 4.maj 2020 ) ….. <> A myosin-7B-dependent endocytosis pathway mediates cellular entry of {alpha}-synuclein fibrils and polycation-bearing cargos [Cell Biology] Cell-to-cell transmission of misfolding-prone α-synuclein (α-Syn) has emerged as a key pathological event in Parkinson's disease. This process is initiated when α-Syn–bearing fibrils enter cells via clathrin-mediated endocytosis, but the underlying mechanisms are unclear. Using a CRISPR-mediated knockout screen, we identify SLC35B2 and myosin-7B (MYO7B) as critical endocytosis regulators for…

….. (Hentet 7.maj 2020 ) ….. <> A neuronal signature for monogamous reunion [Neuroscience] Pair-bond formation depends vitally on neuromodulatory signaling within the nucleus accumbens, but the neuronal dynamics underlying this behavior remain unclear. Using 1-photon in vivo Ca2+ imaging in monogamous prairie voles, we found that pair bonding does not elicit differences in overall nucleus accumbens Ca2+ activity. Instead, we identified distinct ensembles…

….. (Hentet 20.maj 2020 ) ….. <> A new algorithm predicts the difficulty in fighting fire The tool completes previous studies with new variables and could improve the ability to respond to forest fires.

….. (Hentet 30.apr.2020 ) ….. <> A new approach to measuring inequalities in development A new study by researchers from IIASA and Hong Kong University of Science and Technology for the first time systematically explored and compared the use of the Human Life Indicator as a viable alternative to the conventional Human Development Index as a means of measuring progress in development.

….. (Hentet 22.maj 2020 ) ….. <> A New Bionic Eye Could Give Robots and the Blind 20/20 Vision submitted by /u/dwaxe [link] [comments]

….. (Hentet 18.maj 2020 ) ….. <> A new brick in the wall: Bacterial cell wall intermediate found An accumulation of an unexpected intermediate of the peptidoglycan recycling pathway that is able to modulate the synthesis and structure of the cell wall, has been found.

….. (Hentet 19.maj 2020 ) ….. <> A new epigenetic editing tool is developed to activate silenced genes Although all cells in an organism have the same genetic information, not all perform the same function, being as not all of them have the same active genes. Part of these differences in gene activity is due to DNA methylation, a process of silencing that labels genes in order to keep them "off" when they are not necessary. These labels are key epigenetic marks for the organism and are related to d

….. (Hentet 27.apr.2020 ) ….. <> A new explanation for the origins of human fatherhood The origins of paternal care, a key differentiator between humans and other primates, have long been tied to ancestral females trading their own sexual fidelity for food provided by their mates. A new theory developed by economists and anthropologists states that ecological changes, beginning roughly 5-8 million years ago, placed a premium on partnerships – both between and within sexes – and fuel

….. (Hentet 7.maj 2020 ) ….. <> A new high-resolution, 3-D map of the whole mouse brain After three years of intensive data-gathering and careful drawing, the mapmakers' work was complete.

….. (Hentet 18.maj 2020 ) ….. <> A new look into the sources and impacts of greenhouse gases in China Special issue of Advances in Atmospheric Sciences reveals new findings on China's GHG emissions and documents changes in local and regional environments.

….. (Hentet 29.apr.2020 ) ….. <> A new machine learning method streamlines particle accelerator operations SLAC researchers have developed a new tool, using machine learning, that maj make part of the accelerator tuning process 5 times faster compared to previous methods.

….. (Hentet 25.apr.2020 ) ….. <> A New Opportunity For Hydrogen is Aviation. "Today, the best production battery packs have 200 watt-hours per Kg energy density, 1-2,000 cycle life, & recharge time of 45+ minutes. In contrast, a liquid H2 fuel cell system can get to 3,000+ Wh/kg, 15,000+ cycle life, and refuel in 20 minutes" submitted by /u/chopchopped [link] [comments]

….. (Hentet 24.apr.2020 ) ….. <> A new solvent system: Hydrothermal molten salt This work proposes a new solvent system composed of a molten salt in pressurized water, so-called hydrothermal molten salt (HyMoS). This system changes the paradigm of the solubility of inorganics in supercritical water. Using as an example NaOH, a low melting temperature salt, we show the possibility to precipitate it at a temperature above its melting one, leading to the instantaneous formation

….. (Hentet 23.apr.2020 ) ….. <> A new therapeutic target turns the immune system against lymphoma EPFL scientists have identified a key mechanism that tumor cells use to take advantage of and avoid detection from the immune system. Targeting this mechanism offers a new therapeutic strategy for cancers like Non-Hodgkin lymphoma.

….. (Hentet 18.maj 2020 ) ….. <> A new tool to map the flow of info within living cells UNC-Chapel Hill, UT Southwestern Medical Center researchers created a way to study the intricacies of intercellular signaling — when, where, and how tiny parts of cells communicate — to make cells move. The work provides insights into the movement mechanisms in healthy cells and what these change might look like disease states, such as cancer metastasis.

….. (Hentet 20.maj 2020 ) ….. <> A new understanding of everyday cellular processes We use cells to breathe, to moderate body temperature, to grow and many other every day processes, however the cells in these processes are so complex its left scientists perplexed into how they develop in different environments. Researchers say future research needs to look into the bioelectrical composition of cells for answers.

….. (Hentet 22.apr.2020 ) ….. <> A new way to cool down electronic devices, recover waste heat Using electronic devices for too long can cause them to overheat, which might slow them down, damage their components or even make them explode or catch fire. Now, researchers reporting in ACS' Nano Letters have developed a hydrogel that can both cool down electronics, such as cell phone batteries, and convert their waste heat into electricity.

….. (Hentet 13.maj 2020 ) ….. <> A new, highly sensitive chemical sensor uses protein nanowires Writing in the journal NanoResearch, a team at the University of Massachusetts Amherst reports this week that they have developed bioelectronic ammonia gas sensors that are among the most sensitive ever made.

….. (Hentet 1.maj 2020 ) ….. <> A nose for trouble: Fruit flies can detect predators by smell A study published this week in Scientific Reports by researchers from Macquarie University Applied BioSciences reveals that Queensland Fruit Fly (Q-fly) can detect the presence of potential predators by smell. Incredibly, the study also found that Q-fly modify their behavior based upon this detection, adopting predator-specific responses.

….. (Hentet 23.apr.2020 ) ….. <> A novel method to precisely deliver therapeutics inside the body A new way to deliver therapeutic proteins inside the body uses an acoustically sensitive carrier to encapsulate the proteins and ultrasound to image and guide the package to the exact location required, according to researchers. Ultrasound then breaks the capsule, allowing the protein to enter the cell.

….. (Hentet 30.apr.2020 ) ….. <> A novel RNA interference mechanism dictates plant response to external stress With RNA being the core carrier of genetic information in life, understanding how RNA and small interfering RNA (siRNA) transmits responses to external stress maj be better understood following new research led by Southern University of Science and Technology.

….. (Hentet 12.maj 2020 ) ….. <> A promising front in the war on inequality [Social Sciences] Over the last half century, earnings and income inequality have increased within many countries, although the timing and extent of the increase have been variable. This development has engendered a large stream of social science research that has successfully identified some of the main culprits behind the takeoff in inequality….

….. (Hentet 23.apr.2020 ) ….. <> A public health catch-22 [no content]

….. (Hentet 7.maj 2020 ) ….. <> A radar for plastic: High-resolution map of 1 kilometer grids to track plastic emissions in seas Plastic maj be an indispensable part of our daily lives, but its robustness and abundance have led to its overuse, putting a huge burden on the environment. Large emissions of plastic waste result in its accumulation in water bodies: in fact, recent studies have estimated about 0.27 million tons of plastic floating in the world's oceans. Because plastic does not decompose in water, it is a serious

….. (Hentet 22.apr.2020 ) ….. <> A rare snail living on wood is discovered in the Arctic ocean Postgraduate student Ekaterina Krol and Senior Research Associate at the Department of Applied Ecology of St Petersburg University Ivan Nekhaev have found a marine snail from the subclass Neomphaliones in a collection from the Soviet Arctic expeditions of the 1930s. For over 70 years, it has been mistakenly placed in another family of marine molluscs. It is noteworthy that representatives of the s

….. (Hentet 7.maj 2020 ) ….. <> A role reversal for the function of certain circadian network neurons A newly published study in Current Biology reveals surprising findings about the function of circadian network neurons that undergo daily structural change. The research could lead to a better understanding of how to address circadian rhythm disruptions in humans and facilitate preventing a host of associated health problems, including increased risk for cancer and metabolic syndrome.

….. (Hentet 20.apr.2020 ) ….. <> A scientific theory of gist communication and misinformation resistance, with implications for health, education, and policy [Psychological and Cognitive Sciences] A framework is presented for understanding how misinformation shapes decision-making, which has cognitive representations of gist at its core. I discuss how the framework goes beyond prior work, and how it can be implemented so that valid scientific messages are more likely to be effective, remembered, and shared through social…

….. (Hentet 21.apr.2020 ) ….. <> A Sec14 domain protein is required for photoautotrophic growth and chloroplast vesicle formation in Arabidopsis thaliana [Plant Biology] In eukaryotic photosynthetic organisms, the conversion of solar into chemical energy occurs in thylakoid membranes in the chloroplast. How thylakoid membranes are formed and maintained is poorly understood. However, previous observations of vesicles adjacent to the stromal side of the inner envelope membrane of the chloroplast suggest a possible role…

….. (Hentet 4.maj 2020 ) ….. <> A Shiny Snack Bag's Reflections Can Reconstruct the Room around It Researchers used the light reflecting off the wrapper to build an image of its surroundings

….. (Hentet 15.maj 2020 ) ….. <> A soft touch for robotic hardware Robots can be made from soft materials, but the flexibility of such robots is limited by the inclusion of rigid sensors necessary for their control. Researchers created embedded sensors, to replace rigid sensors, that offer the same functionality but afford the robot greater flexibility. Soft robots can be more adaptable and resilient than more traditional rigid designs. The team used cutting-edge

….. (Hentet 19.maj 2020 ) ….. <> A spreadable interlayer could make solid state batteries more stable Solid-state batteries are of great interest to the electric vehicle industry. Scientists at Chalmers University of Technology, Sweden, and Xi'an Jiaotong University, China have now presented a new way of taking this promising concept closer to large-scale commercial application. An interlayer made of a spreadable, 'butter-like' material improves the current density ten-fold, while also increasing

….. (Hentet 28.apr.2020 ) ….. <> A step toward a better way to make gene therapies to attack cancer, genetic disorders A UCLA-led research team today reports that it has developed a new method for delivering DNA into stem cells and immune cells safely, rapidly and economically. The method, described in the journal Proceedings of the National Academy of Sciences, could give scientists a new tool for manufacturing gene therapies for people with cancer, genetic disorders and blood diseases.

….. (Hentet 22.maj 2020 ) ….. <> A stitch in time: How a quantum physicist invented new code from old tricks A scientist at the University of Sydney has achieved what one quantum industry insider has described as "something that many researchers thought was impossible".

….. (Hentet 12.maj 2020 ) ….. <> A study analyzes the unexpected behavior of hydrogen flames Hydrogen flames can propagate even with very little fuel, within surprisingly narrow gaps and can extend breaking up into fractal patterns. That is the unexpected physical behavior of this gas when it burns, which has been detected by a scientific team led by researchers from Universidad Carlos III de Madrid (UC3M). These results can help to improve the safety of Hydrogen-powered devices.

….. (Hentet 29.apr.2020 ) ….. <> A study places the origin of a group of trees growing in Africa 50 million years ago The research looked into the evolution of the Daniellia clade, a set of trees with environmental importance, and confirms that more than half its species are endangered

….. (Hentet 21.maj 2020 ) ….. <> A 'switch' that turns autoimmunity drugs into powerful anti-cancer treatments Scientists have discovered a way to transform antibody drugs previously developed to treat autoimmunity into antibodies with powerful anti-cancer activity through a simple molecular 'switch'.

….. (Hentet 12.maj 2020 ) ….. <> A synthetic genetic circuit to quantify repeat deletion in bacteria Repeat sequences are ubiquitous in the genomes of prokaryotes and eukaryotes. The rearrangement between direct repeats can result in deletions or expansions of DNA sequences, contributing to the genetic plasticity, regulation of transcription and protein coding sequence variations.

….. (Hentet 9.maj 2020 ) ….. <> A tale of two kinds of volcanoes At an idyllic island in the Mediterranean Sea, ocean covers up the site of a vast volcanic explosion from 3200 years ago. A few hundred kilometers north-west, three other islands still have their volcanic histories from a few million years ago mostly intact. No explosions there. So why the differences between the Santorini caldera and the Aegina, Methana and Poros lava domes? Researchers used volc

….. (Hentet 21.apr.2020 ) ….. <> A tale of two telescopes: WFIRST and Hubble NASA's Wide Field Infrared Survey Telescope (WFIRST), planned for launch in the mid-2020s, will create enormous cosmic panoramas. Using them, astronomers will explore everything from our solar system to the edge of the observable universe, including planets throughout our galaxy and the nature of dark energy.

….. (Hentet 18.maj 2020 ) ….. <> A theoretical boost to nano-scale devices Researchers have developed a new approach to the underlying physics of semiconductors. They calculated the quasi-Fermi levels in molecular junctions applying an ab initio approach.

….. (Hentet 23.maj 2020 ) ….. <> A theory of everything submitted by /u/qiling [link] [comments]

….. (Hentet 1.maj 2020 ) ….. <> A unifying framework for the transient parasite dynamics of migratory hosts [Ecology] Migrations allow animals to track seasonal changes in resources, find mates, and avoid harsh climates, but these regular, long-distance movements also have implications for parasite dynamics and animal health. Migratory animals have been dubbed "superspreaders" of infection, but migration can also reduce parasite burdens within host populations via migratory escape…

….. (Hentet 30.apr.2020 ) ….. <> A water boost for methanol synthesis [no content]

….. (Hentet 28.apr.2020 ) ….. <> A widespread toxin-antitoxin system exploiting growth control via alarmone signaling [Microbiology] Under stressful conditions, bacterial RelA-SpoT Homolog (RSH) enzymes synthesize the alarmone (p)ppGpp, a nucleotide second messenger. (p)ppGpp rewires bacterial transcription and metabolism to cope with stress, and, at high concentrations, inhibits the process of protein synthesis and bacterial growth to save and redirect resources until conditions improve. Single-domain small alarmone…

….. (Hentet 6.maj 2020 ) ….. <> A Word about Those UFO Videos I'm an astrophysicist, but that doesn't mean I have a motivation to debunk them

….. (Hentet 7.maj 2020 ) ….. <> Accurate 3D imaging of sperm cells moving at top speed could improve IVF treatments Researchers have developed a safe and accurate 3D imaging method to identify sperm cells moving at a high speed. The new method has the potential to significantly improve IVF treatments.

….. (Hentet 1.maj 2020 ) ….. <> Acoustofluidic sonoporation for gene delivery to human hematopoietic stem and progenitor cells [Engineering] Advances in gene editing are leading to new medical interventions where patients' own cells are used for stem cell therapies and immunotherapies. One of the key limitations to translating these treatments to the clinic is the need for scalable technologies for engineering cells efficiently and safely. Toward this goal, microfluidic…

….. (Hentet 23.apr.2020 ) ….. <> Across time, but also across space [no content]

….. (Hentet 20.apr.2020 ) ….. <> Actin 'avalanches' may make memories stick If you're on skis, you want to avoid avalanches. But when the right kind happen in your brain, you shouldn't worry. You won't feel them. They're probably to your benefit.

….. (Hentet 4.maj 2020 ) ….. <> Activating an estrogen receptor can stop pancreatic cancer cells from growing Activating the G protein-coupled estrogen receptor (GPER) — a receptor found on the surface of many normal and cancer tissues — has been shown to stop pancreatic cancer from growing, but maj also make tumors more visible to the immune system and thus more susceptible to modern immunotherapy. Researchers observed the effects of GPER activation in human and mouse pancreatic cancer models.

….. (Hentet 21.apr.2020 ) ….. <> Activity in grafted human iPS cell-derived cortical neurons integrated in stroke-inȷured rat brain regulates motor behavior [Neuroscience] Stem cell transplantation can improve behavioral recovery after stroke in animal models but whether stem cell–derived neurons become functionally integrated into stroke-injured brain circuitry is poorly understood. Here we show that intracortically grafted human induced pluripotent stem (iPS) cell–derived cortical neurons send widespread axonal projections to both hemispheres of rats…

….. (Hentet 30.apr.2020 ) ….. <> Activity levels of Sun-like stars [no content]

….. (Hentet 21.apr.2020 ) ….. <> Actuation and locomotion driven by moisture in paper made with natural pollen [Applied Biological Sciences] Here we describe the development of a humidity-responsive sheet of paper that is derived solely from natural pollen. Adaptive soft material components of the paper exhibit diverse and well-integrated responses to humidity that promote shape reconfiguration, actuation, and locomotion. This mechanically versatile and nonallergenic paper can generate a cyclically high…

….. (Hentet 12.maj 2020 ) ….. <> Acute stress may slow down the spread of fears Psychologists from the University of Konstanz in Southern Germany find that we are less likely to amplify fears in social exchange if we are stressed.

….. (Hentet 21.maj 2020 ) ….. <> Adding a blend of spices to a meal may help lower inflammation Researchers found that adding six grams of spices to a meal high in fat and carbohydrates resulted in lower inflammation markers hours later.

….. (Hentet 29.apr.2020 ) ….. <> Addressing black students' concerns about belonging in college has benefits in adulthood The benefits of a brief 'social belonging' exercise completed by black students in their first year of college followed them into adulthood, with participants reporting greater career satisfaction, well-being and community involvement almost a decade later.

….. (Hentet 11.maj 2020 ) ….. <> Addressing the Stigma That Surrounds Addiction Health care already has effective treatment tools, including medications, but many people who could benefit are reluctant to seek them out

….. (Hentet 21.apr.2020 ) ….. <> Admiral to refund £110m of premiums as drivers stay at home Move by UK group will put pressure on other insurers to follow suit

….. (Hentet 12.maj 2020 ) ….. <> Adolescence is ruff for dogs too New research led by scientists from Newcastle University and the University of Nottingham has shown that typical teenage behaviour doesn't just occur in young humans—it happens in dogs too.

….. (Hentet 24.apr.2020 ) ….. <> Adsorbent material developed with PET bottles for the removal of antibiotics from water The Korea Institute of Science and Technology (KIST) announced that a research team has developed a high-efficiency, adsorbent material using PET waste bottles. The new material is expected to help solve the problem of environmental toxins and antibiotic-resistant bacteria which are caused by leaks of antibiotics into water.

….. (Hentet 5.maj 2020 ) ….. <> Advanced Flow Cytometry: Rapid Analysis for Complex Cell-Based Models Download this white paper to learn about key methods and milestones that made DNA cloning possible!

….. (Hentet 20.apr.2020 ) ….. <> Advanced memory from advanced materials Researchers successfully demonstrated a method to switch a novel material between two different nonvolatile states at very high speeds and with great accuracy. The physical constituents of the device in question are significantly robust against external influences such as magnetic fields. These facts together mean a high-speed and high-capacity memory device could be created. Such a device would a

….. (Hentet 21.apr.2020 ) ….. <> Advancing high temperature electrolysis: Splitting water to store energy as hydrogen While energy sources such as wind and solar are great at producing emissions-free electricity, they depend on the sun and the wind, so supply doesn't always meet the demand. Likewise, nuclear power plants operate more efficiently at maximum capacity so that electricity generation can't be easily ramped up or down to match demand.

….. (Hentet 13.maj 2020 ) ….. <> Aerobics may be a smart workout for your brain at any age It's never too late to lace up some sneakers and work up a sweat for brain health, according to a study published in the maj 13, 2020, online issue of Neurology®, the medical journal of the American Academy of Neurology. The study suggests older adults, even couch potatoes, maj perform better on certain thinking and memory tests after just six months of aerobic exercise.

….. (Hentet 20.apr.2020 ) ….. <> Affordable coffee beans to start your day right For a tasty cup of joe. (Mike Kenneally via Unsplash/) If you're anything like us, the first thing you do in the morning is make a cup of coffee. We're talking before-you're-fully-conscious brewing. Serious coffee drinkers will tell you that having good coffee is a celebration, a ritual, a lifestyle. Any old cup of coffee won't do—there comes a time in a coffee enthusiast's life when she realizes

….. (Hentet 30.apr.2020 ) ….. <> African skeletons from early colonial Mexico tell the story of first-generation slaves Three 16th-century skeletons from a mass burial in Mexico City highlight the role of the transatlantic slave trade in introducing and disseminating new pathogens to the Americas. Researchers from the Max Planck Institute for the Science of Human History and Escuela Nacional de Antropología e Historia in Mexico analyzed skeletal features, genetic data and isotopes to explore the life history of thr

….. (Hentet 24.apr.2020 ) ….. <> After a heart attack, physical activity makes you feel better Heart attack patients who take part in a lifestyle improvement program feel better — especially when they do additional physical activity. That's the finding of a large study presented today on ACVC Essentials 4 You, a scientific platform of the European Society of Cardiology (ESC).

….. (Hentet 21.maj 2020 ) ….. <> After the bushfires, we helped choose the animals and plants in most need. Here's how we did it No other event in our lifetimes has brought such sudden, drastic loss to Australia's biodiversity as the last bushfire season. Governments, researchers and conservationists have committed to the long road to recovery. But in those vast burnt landscapes, where do we start?

….. (Hentet 20.apr.2020 ) ….. <> After Years on the Decline, Hepatitis C Is Returning — Primarily Among Millennials Much to the surprise of public health officials, a once-declining disease is surging again and heavily impacting people who are under age 40.

….. (Hentet 21.apr.2020 ) ….. <> Age matters: Paternal age and the risk of neurodevelopmental disorders in children It is no secret that genetic factors play a role in determining whether children have neurodevelopmental disorders. Maternal exposure to drugs and viral or bacterial illnesses can be detrimental too.

….. (Hentet 27.apr.2020 ) ….. <> Agricultural economist evaluates research results on food security Plant breeding has considerably increased agricultural yields in recent decades and thus made a major contribution to combating global hunger and poverty. At the same time, however, the intensification of farming has had negative environmental effects. Increases in food production will continue to be crucial for the future because the world population and demand continue to grow. A recent study by

….. (Hentet 4.maj 2020 ) ….. <> Agricultural intensification and the evolution of host specialism in the enteric pathogen Campylobacter jejuni [Microbiology] Modern agriculture has dramatically changed the distribution of animal species on Earth. Changes to host ecology have a major impact on the microbiota, potentially increasing the risk of zoonotic pathogens being transmitted to humans, but the impact of intensive livestock production on host-associated bacteria has rarely been studied. Here, we…

….. (Hentet 21.apr.2020 ) ….. <> AI may help brain cancer patients avoid biopsy Brain cancer patients in the coming years maj not need to go under the knife to help doctors determine the best treatment for their tumors.

….. (Hentet 12.maj 2020 ) ….. <> AI techniques in medical imaging may lead to incorrect diagnoses Machine learning and AI are highly unstable in medical image reconstruction, and maj lead to false positives and false negatives, a new study suggests.

….. (Hentet 21.apr.2020 ) ….. <> AI to make dentists' work easier Researchers have developed a new automatized way to localize mandibular canals.

….. (Hentet 27.apr.2020 ) ….. <> Airfoil-like mechanics generate thrust on the anterior body of swimming fishes [Engineering] The anterior body of many fishes is shaped like an airfoil turned on its side. With an oscillating angle to the swimming direction, such an airfoil experiences negative pressure due to both its shape and pitching movements. This negative pressure acts as thrust forces on the anterior body. Here, we…

….. (Hentet 3.maj 2020 ) ….. <> AI-supported test for very early signs of glaucoma progression A new test can detect glaucoma progression 18 months earlier than the current gold standard method, according to results from a UCL-sponsored clinical trial.

….. (Hentet 12.maj 2020 ) ….. <> Alaskan rainforests are a global lichen hotspot, new study shows The rainforest fjords of Southeastern Alaska harbour one of the highest concentrations of lichen diversity found anywhere on Earth, according to a new study spearheaded by University of Alberta scientists.

….. (Hentet 29.apr.2020 ) ….. <> Algae in the oceans often steal genes from bacteria to gain beneficial attributes, such as the ability to tolerate stressful environments or break down carbohydrates for food, according to a Rutgers co-authored study.

….. (Hentet 22.maj 2020 ) ….. <> Algal genome provides insights into first land plants Cornell researchers have sequenced and analyzed the genome of a single-celled alga that belongs to the closest lineage to terrestrial plants and provides many clues to how aquatic plants first colonized land.

….. (Hentet 19.maj 2020 ) ….. <> Algorithmic autos Connected and automated vehicles use technology such as sensors, cameras and advanced control algorithms to adjust their operation to changing conditions with little or no input from drivers. A research group optimized vehicle dynamics and powertrain operation using connectivity and automation, while developing and testing a control framework that reduced travel time and energy use in a connected

….. (Hentet 21.maj 2020 ) ….. <> Aligning dense carbon nanotube arrays [no content]

….. (Hentet 5.maj 2020 ) ….. <> All disease models are 'wrong,' but scientists are working to fix that What can researchers do when their mathematical models of the spread of infectious diseases don't match real-world data? One research team is working on a solution.

….. (Hentet 29.apr.2020 ) ….. <> All-electrical monitoring of bacterial antibiotic susceptibility in a microfluidic device [Biochemistry] The lack of rapid antibiotic susceptibility tests adversely affects the treatment of bacterial infections and contributes to increased prevalence of multidrug-resistant bacteria. Here, we describe an all-electrical approach that allows for ultrasensitive measurement of growth signals from only tens of bacteria in a microfluidic device. Our device is essentially a…

….. (Hentet 21.apr.2020 ) ….. <> Allergy impact from invasive weed 'underestimated' The impact on human health of an invasive ragweed plant maj be "seriously underestimated".

….. (Hentet 1.maj 2020 ) ….. <> Allosteric conformational change of a cyclic nucleotide-gated ion channel revealed by DEER spectroscopy [Biophysics and Computational Biology] Cyclic nucleotide-gated (CNG) ion channels are essential components of mammalian visual and olfactory signal transduction. CNG channels open upon direct binding of cyclic nucleotides (cAMP and/or cGMP), but the allosteric mechanism by which this occurs is incompletely understood. Here, we employed double electron-electron resonance (DEER) spectroscopy to measure intersubunit distance…

….. (Hentet 20.maj 2020 ) ….. <> ALMA discovers massive rotating disk in early universe In our 13.8 billion-year-old universe, most galaxies like our Milky Way form gradually, reaching their large mass relatively late. But a new discovery made with the Atacama Large Millimeter/submillimeter Array (ALMA) of a massive rotating disk galaxy, seen when the universe was only ten percent of its current age, challenges the traditional models of galaxy formation.

….. (Hentet 20.apr.2020 ) ….. <> ALMA reveals unusual composition of interstellar comet 2I/Borisov A galactic visitor entered our solar system last year—interstellar comet 2I/Borisov. When astronomers pointed the Atacama Large Millimeter/submillimeter Array (ALMA) toward the comet on 15 and 16 December 2019, for the first time they directly observed the chemicals stored inside an object from a planetary system other than our own. This research is published online on 20 April 2020 in the journal

….. (Hentet 22.maj 2020 ) ….. <> ALMA spots twinkling heart of Milky Way Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) found quasi-periodic flickers in millimeter-waves from the center of the Milky Way, Sagittarius (Sgr) A*. The team interpreted these blinks to be due to the rotation of radio spots circling the supermassive black hole with an orbit radius smaller than that of Mercury. This is an interesting clue to investigate space-time wit

….. (Hentet 20.maj 2020 ) ….. <> Alpine ginger Roscoea tibetica comprises two species The alpine ginger Roscoea tibetica Batalin is the most widespread and extensively phenotypic-variable herbaceous species in Roscoea in the Hengduan Mountains. Diverse phenotypic variations in one population and similar habitat make this species difficult to identify, especially during the non-flowering phase.

….. (Hentet 18.maj 2020 ) ….. <> Aluminum may affect lead levels in drinking water Until recently, researchers have not inspected the interplay between three common chemicals found in drinking water. Research has now found they all affect each other and a closer look is needed.

….. (Hentet 21.apr.2020 ) ….. <> ALVIN finds some interesting microbes They gather at hot vents and eat ethane.

….. (Hentet 20.apr.2020 ) ….. <> Amazon-owned Whole Foods is quietly tracking its employees with a heat map tool that ranks which stores are most at risk of unionizing submitted by /u/Lilyo [link] [comments]

….. (Hentet 21.apr.2020 ) ….. <> Americans spend more on wasted food than on gasoline A new study by Zach Conrad, assistant professor in William & Mary's Department of Kinesiology & Health Sciences, finds that the average American consumer spends roughly $1,300 per year on food that ends up being wasted.

….. (Hentet 21.apr.2020 ) ….. <> Aminoacyl-tRNA synthetase inhibition activates a pathway that branches from the canonical amino acid response in mammalian cells [Cell Biology] Signaling pathways that sense amino acid abundance are integral to tissue homeostasis and cellular defense. Our laboratory has previously shown that halofuginone (HF) inhibits the prolyl-tRNA synthetase catalytic activity of glutamyl-prolyl-tRNA synthetase (EPRS), thereby activating the amino acid response (AAR). We now show that HF treatment selectively inhibits inflammatory responses…

….. (Hentet 20.apr.2020 ) ….. <> Ammonia emission abatement does not fully control reduced forms of nitrogen deposition [Environmental Sciences] Human activities and population growth have increased the natural burden of reactive nitrogen (N) in the environment. Excessive N deposition on Earth's surface leads to adverse feedbacks on ecosystems and humans. Similar to that of air pollution, emission control is recognized as an efficient means to control acid deposition. Control…

….. (Hentet 14.maj 2020 ) ….. <> AMPing up killing by cytotoxic T cells [no content]

….. (Hentet 28.apr.2020 ) ….. <> Amyloid assembly is dominated by misregistered kinetic traps on an unbiased energy landscape [Biophysics and Computational Biology] Atomistic description of protein fibril formation has been elusive due to the complexity and long time scales of the conformational search. Here, we develop a multiscale approach combining numerous atomistic simulations in explicit solvent to construct Markov State Models (MSMs) of fibril growth. The search for the in-register fully bound…

….. (Hentet 8.maj 2020 ) ….. <> An AI can simulate an economy millions of times to create fairer tax policy – Deep reinforcement learning has trained AIs to beat humans at complex games like Go and StarCraft. Could it also do a better job at running the economy? submitted by /u/izumi3682 [link] [comments]

….. (Hentet 5.maj 2020 ) ….. <> An artificial 'tongue' of gold to taste maple syrup It's said that maple syrup is Quebec's liquid gold. Now scientists at Université de Montréal have found a way to use real gold—in the form of nanoparticles—to quickly find out how the syrup tastes.

….. (Hentet 25.apr.2020 ) ….. <> An automated world in 2040 submitted by /u/OliverSparrow [link] [comments]

….. (Hentet 24.apr.2020 ) ….. <> An eclipsing binary millisecond pulsar discovered by FAST Using the data obtained by the Five-hundred-meter Aperture Spherical radio Telescope (FAST), a research team led by Professor PAN Zhichen and Prof. LI Di from the National Astronomical Observatories of the Chinese Academy of Sciences (NAOC) discovered an eclipsing binary millisecond pulsar in Globular Cluster (GC) Messier 92 (M92).

….. (Hentet 22.apr.2020 ) ….. <> An effective way to replenish threatened plants From two seeds grew a thousand plants.

….. (Hentet 23.apr.2020 ) ….. <> An obesity protein discovery may lead to better treatments By determining the structure of a key receptor in obesity, scientists have unlocked an opportunity for the development of new drugs.

….. (Hentet 19.maj 2020 ) ….. <> An open-access tool to accelerate drug discovery The Chemical Checker provides processed, harmonized and ready-to-use bioactivity information on more than 1M small molecules.The tool, developed by the Structural Bioinformatics and Network Biology lab at IRB Barcelona, has been published in Nature Biotechnology.

….. (Hentet 30.apr.2020 ) ….. <> An unexpected order [no content]

….. (Hentet 21.apr.2020 ) ….. <> ANALYSE: Skyen er lukket land ved IoT PLUS. Leverandører af IoT-platforme lover åbenhed og gennemsigtighed. Men når data skal fra fabriksgulvet op i skyen, låser leverandøren døren.

….. (Hentet 18.maj 2020 ) ….. <> Analysis of bird species reveals how wings adapted to their environment and behavior Bird wings adapted for long-distance flight are linked to their environment and behaviour, according to new research on an extensive database of wing measurements, led by the University of Bristol.

….. (Hentet 20.apr.2020 ) ….. <> Analysis reveals cotton genome stability across global lineages Come harvest time, the cotton fields look like popcorn is literally growing on plants, with fluffy white bolls bursting out of the green pods in every direction. There are 100 million families around the world whose livelihoods depend on cotton production, and the crop's annual economic impact of $500 billion worldwide underscores its value and importance in the fabric of our lives.

….. (Hentet 19.maj 2020 ) ….. <> Anammox bacteria allow wastewater to be used for generating electricity Anammox bacteria can be persuaded to generate electricity from wastewater if they are grown on electrodes in the absence of nitrite. The finding is the result of new research carried out by microbiologists at Radboud University, in collaboration with colleagues from the US and Saudi Arabia, published in Nature Communications. It's the final piece of the puzzle in a long scientific investigation by

….. (Hentet 7.maj 2020 ) ….. <> Ancient Andes, analyzed An international research team has conducted the first in-depth, wide-scale study of the genomic history of ancient civilizations in the central Andes mountains and coast before European contact. The findings reveal early genetic distinctions between groups in nearby regions, population mixing within and beyond the Andes, surprising genetic continuity amid cultural upheaval, and ancestral cosmopol

….. (Hentet 26.apr.2020 ) ….. <> Ancient Australian Rocks Suggest Earth's Continents Were Shifting Earlier Than Thought More than 3 billion years ago, things were moving.

….. (Hentet 14.maj 2020 ) ….. <> Ancient DNA unveils important missing piece of human history Newly released genomes from Neolithic East Asia have unveiled a missing piece of human prehistory, according to a study conducted by Professor FU Qiaomei's team from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences.

….. (Hentet 20.maj 2020 ) ….. <> Ancient giant armored fish fed in a similar way to basking sharks Scientists have shown that the Titanichthys — a giant armored fish that lived in the seas and oceans of the late Devonian period 380-million-years ago — fed in a similar manner to modern day basking sharks.

….. (Hentet 12.maj 2020 ) ….. <> Ancient reptile had mammal-like tooth enamel, study shows A new study by University of Alberta paleontologists shows that one type of ancient reptiles evolved a special type of tooth enamel, similar to that of mammals, with high resistance to wear and tear. The study is the first to report this kind of enamel in a fossil reptile.

….. (Hentet 12.maj 2020 ) ….. <> Ancient rocks show high oxygen levels on Earth 2 billion years ago Earth maj have been far more oxygen-rich early in its history than previously thought, setting the stage for the evolution of complex life, according to new research.

….. (Hentet 20.maj 2020 ) ….. <> 'Anti-ageing' protein shown to slow cell growth is key in longevity – new research submitted by /u/izumi3682 [link] [comments]

….. (Hentet 27.apr.2020 ) ….. <> Antibiotic exposure can 'prime' single-resistant bacteria to become multidrug-resistant Researchers report that, for a bacterial pathogen already resistant to an antibiotic, prolonged exposure to that antibiotic not only boosted its ability to retain its resistance gene, but also made the pathogen more readily pick up and maintain resistance to a second antibiotic and become a dangerous, multidrug-resistant strain.

….. (Hentet 21.apr.2020 ) ….. <> Antibodies could provide new treatment for OCD Mental health conditions such as obsessive compulsive disorder could be treated in a new way using drugs that target the immune system, research suggests.

….. (Hentet 1.maj 2020 ) ….. <> Antiepileptic drugs induce subcritical dynamics in human cortical networks [Neuroscience] Cortical network functioning critically depends on finely tuned interactions to afford neuronal activity propagation over long distances while avoiding runaway excitation. This importance is highlighted by the pathological consequences and impaired performance resulting from aberrant network excitability in psychiatric and neurological diseases, such as epilepsy. Theory and experiment suggest that

….. (Hentet 12.maj 2020 ) ….. <> Antiferromagnetic fluoride nanocrystals When magnetic materials are nanometric at least in one dimension, the surface effect often dominates the static and transport behaviors due to the limited long-range order and broken translation symmetry. The perturbations in spin-spin correlation length and unperfect spin coordination structures make low-dimensional magnetic materials an ideal platform for exploring magnetism in reduced dimension

….. (Hentet 11.maj 2020 ) ….. <> Antihistamines may help patients with malignant melanoma Can a very common allergy medicine improve survival among patients suffering from the serious skin cancer, malignant melanoma? A new study indicates that this maj be the case.

….. (Hentet 23.apr.2020 ) ….. <> Antimatter Discovery Reveals Clues about the Universe's Beginning New evidence from neutrinos points to one of several theories about why the cosmos is made of matter and not antimatter

….. (Hentet 23.apr.2020 ) ….. <> Anti-oxidative enzymes are important for the longevity of the corpus luteum in lynx Another piece of the puzzle about the longevity of the corpus luteum in lynxes has been uncovered. Scientists at the Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW) and the Leibniz Institute for Molecular Pharmacology (Leibniz-FMP) discovered that selected anti-oxidative enzymes, especially the enzyme superoxide dismutase (SOD2), maj play an important role to maintain the unusual lon

….. (Hentet 21.apr.2020 ) ….. <> Anti-Quarantine Protests Are Dangerous and Weird Please don't make them seem more normal than they are.

….. (Hentet 30.apr.2020 ) ….. <> Antiviral error catastrophe [no content]

….. (Hentet 20.apr.2020 ) ….. <> Ants restore Mediterranean dry grasslands In nature, certain species are able to regulate the cycling of soil nutrients and vegetation diversity and dynamics.

….. (Hentet 12.maj 2020 ) ….. <> Ants use collective 'brainpower' to navigate obstacles Ants use their numbers to overcome navigational challenges that are too large and disorienting to be tackled by any single individual, reports a new study.

….. (Hentet 15.maj 2020 ) ….. <> Applying the analogy method to improve the forecasting of strong convection Strong convective weather, including thunderstorms, severe winds, hail, tornados, and short-term heavy rainfall, is a type of weather phenomenon that is extremely difficult to predict owing to its small spatial scales and short-term duration. In recent years, high-resolution numerical models have become the focus for weather forecasters to predict strong convective weather. They output simulated r

….. (Hentet 20.apr.2020 ) ….. <> Aquaculture at the crossroads of global warming and antimicrobial resistance Aquaculture—rearing aquatic organisms such as fish and shellfish—plays a vital role in food security in many countries (it supplies more than half of the aquatic animals consumed by humans worldwide). It is particularly important for developing countries, for instance in Asia, which accounts for 90% of global output.

….. (Hentet 21.apr.2020 ) ….. <> Aquatic stem group myriapods close a gap between molecular divergence dates and the terrestrial fossil record [Evolution] Identifying marine or freshwater fossils that belong to the stem groups of the major terrestrial arthropod radiations is a longstanding challenge. Molecular dating and fossils of their pancrustacean sister group predict that myriapods originated in the Cambrian, much earlier than their oldest known fossils, but uncertainty about stem group Myriapoda…

….. (Hentet 23.apr.2020 ) ….. <> Archaeologists verify Florida's Mound Key as location of elusive Spanish fort Florida and Georgia archaeologists have discovered the location of Fort San Antón de Carlos, home of one of the first Jesuit missions in North America. The Spanish fort was built in 1566 in the capital of the Calusa, the most powerful Native American tribe in the region, on present-day Mound Key in the center of Estero Bay on Florida's Gulf Coast.

….. (Hentet 14.maj 2020 ) ….. <> Archaeology: Fossilized footprints suggest ancient humans divided labor The largest collection of footprints from the human fossil record in Africa is described in Scientific Reports this week. The findings, which further our understanding of human life during the Late Pleistocene period (126,000 to 11,700 years ago), suggest a division of labor in ancient human communities.

….. (Hentet 6.maj 2020 ) ….. <> Arctic Edmontosaurus lives again: A new look at the 'caribou of the Cretaceous' A new study further explores the proliferation of the most commonly occurring duck-billed dinosaur of the ancient Arctic as the genus Edmontosaurus. The findings reinforce that the hadrosaurs — dubbed 'caribou of the Cretaceous' — had a geographical distribution of approximately 60 degrees of latitude, spanning the North American West from Alaska to Colorado.

….. (Hentet 20.apr.2020 ) ….. <> Arctic research expedition likely faces extreme conditions in fast-changing Arctic Scientists have simulated conditions along potential routes for the MOSAiC polar expedition, using today's conditions in the 'new Arctic.' The results suggest that thinner sea ice maj carry the ship farther than would be expected compared to historical conditions and the sea ice around the ship maj melt earlier than the 12-month goal.

….. (Hentet 4.maj 2020 ) ….. <> Arctic 'shorefast' sea ice threatened by climate change, study finds For people who live in the Arctic, sea ice that forms along shorelines is a vital resource that connects isolated communities and provides access to hunting and fishing grounds. A new study by Brown University researchers found that climate change could significantly reduce this "shorefast ice" in communities across Northern Canada and Western Greenland.

….. (Hentet 28.apr.2020 ) ….. <> Arctic wildlife uses extreme method to save energy Researchers from Lund University and the University of Tromsø have examined the immune system strength of the Svalbard rock ptarmigan in the Arctic. This bird lives the farthest up in the Arctic of any land bird, and the researchers have investigated how the immune response varies between winter and late spring.

….. (Hentet 6.maj 2020 ) ….. <> Are feral cats biting off more than they can chew? Researchers from Murdoch University have revealed that even small stray and feral cats take on large and difficult-to-handle prey. And it's posing a risk to native wildlife populations.

….. (Hentet 11.maj 2020 ) ….. <> Are our brains hard-wired for longing? A new brain imaging study of prairie voles — which are among only about 5% of mammalian species besides humans who are monogamous — found that when it comes to forming bonds, longing maj be as important as being together. The study also sheds light on why it's so hard to social distance, and could lead to new therapies for conditions like autism and depression.

….. (Hentet 29.apr.2020 ) ….. <> Are salt deposits a solution for nuclear waste disposal? Researchers testing and modeling to dispose of the current supply of waste.

….. (Hentet 29.apr.2020 ) ….. <> Arteries respond in opposite ways for males and females A protein known to expand blood vessels — key to controlling conditions like high blood pressure — actually has different functions in males and females, new UC Davis Health research shows. Conducted using arterial cells from mice, the study is the first to identify sex-based distinctions in how the protein — Kv2.1 — works.

….. (Hentet 7.maj 2020 ) ….. <> Artificial intelligence is energy-hungry — new hardware could curb its appetite A team of engineers has created hardware that can learn skills using a type of AI that currently runs on software platforms. Sharing intelligence features between hardware and software would offset the energy needed for using AI in more advanced applications such as self-driving cars or discovering drugs.

….. (Hentet 19.maj 2020 ) ….. <> Artificial pieces of brain use light to communicate with real neurons Researchers at The University of Tokyo, University of Bordeaux and at Ikerbasque have created a way for artificial neuronal networks to communicate with biological neuronal networks. The new system converts artificial electrical spiking signals to a visual pattern than is then used to entrain the real neurons via optogenetic stimulation of the network. This advance will be important for future neu

….. (Hentet 11.maj 2020 ) ….. <> Artificial synapses on design Memristive devices behave similarly to neurons in the brain. Researchers have now discovered how to systematically control the functional behaviour of these elements. The smallest differences in material composition are found crucial: differences so small that until now experts had failed to notice them.

….. (Hentet 21.apr.2020 ) ….. <> As Earth Day turns 50, green movement faces fresh challenges Gina McCarthy remembers the way things used to be: Tar balls clinging to her legs after swimming in Boston Harbor. The Merrimack River colored bright blue and green by textile mill chemicals. Black smoke everywhere.

….. (Hentet 28.apr.2020 ) ….. <> Aseismic transient slip on the Gofar transform fault, East Pacific Rise [Earth, Atmospheric, and Planetary Sciences] Oceanic transform faults display a unique combination of seismic and aseismic slip behavior, including a large globally averaged seismic deficit, and the local occurrence of repeating magnitude (M) ∼6 earthquakes with abundant foreshocks and seismic swarms, as on the Gofar transform of the East Pacific Rise and the Blanco Ridge…

….. (Hentet 9.maj 2020 ) ….. <> Asgard archaea including the novel phylum Gerdarchaeota participate in organic matter degradation Asgard is an archaeal superphylum that might hold the key to understand the origin of eukaryotes, but its diversity and ecological roles remain poorly understood. Through genome construction, Meng Li's group identified a new Asgard phylum-Gerdarchaeota. Additionally, transcriptomics showed that most of the identified Asgard archaea are capable of degrading organic matter in coastal sediments.

….. (Hentet 7.maj 2020 ) ….. <> Asian giant hornets spotted for first time in US A deadly giant insect known as the "murder hornet" has been spotted for the first time in the United States, prompting fears it could decimate the honeybee population and creating a buzz on social media.

….. (Hentet 29.apr.2020 ) ….. <> Asteroid 1998 OR2 to safely fly past Earth this week The large near-Earth object is well known to astronomers and will get no closer than 3.9 million miles to our planet.

….. (Hentet 30.apr.2020 ) ….. <> Astronomers capture rare images of planet-forming disks around stars Astronomers have captured images of the inner rims of planet-forming disks located hundreds of light years away. These disks of dust and gas, similar in shape to a music record, form around young stars. The images shed new light on how planetary systems are formed.

….. (Hentet 30.apr.2020 ) ….. <> Astronomers could spot life signs orbiting long-dead stars The next generation of powerful Earth- and space-based telescopes will be able to hunt distant solar systems for evidence of life on Earth-like exoplanets—particularly those that chaperone burned-out stars known as white dwarfs.

….. (Hentet 20.apr.2020 ) ….. <> Astronomers discover planet that never was What was thought to be an exoplanet in a nearby star system likely never existed in the first place, according to University of Arizona astronomers. Instead, they concluded that the Hubble Space Telescope was looking at an expanding cloud of very fine dust particles from two icy bodies that smashed into each other.

….. (Hentet 6.maj 2020 ) ….. <> Astronomers find closest black hole to Earth, hiding in plain sight The black hole in the triple system HR 6819 is just 1000 light-years from Earth

….. (Hentet 13.maj 2020 ) ….. <> Astronomers find regular rhythms among pulsating stars Led by University of Sydney astronomer Professor Tim Bedding, astronomers have for the first time detected regular pulsations in a class of stars known as delta Scutis. These intermediate-sized stars tend to be young and hang around in associations, exhibiting poor 'social distancing.' Astronomers used data from NASA's TESS space telescope.

….. (Hentet 20.maj 2020 ) ….. <> Astronomers Get Earliest Ever Glimpse of Ancient Giant Galaxy The disk of gas and stars resembles our own Milky Way but somehow formed when the universe was only about 10 percent of its current age

….. (Hentet 21.apr.2020 ) ….. <> Astronomers May Have Captured the First Ever Image of Nearby Exoplanet Proxima C It could be an unprecedented view of a world in the closest planetary system to our own, but uncertainties aplenty remain

….. (Hentet 6.maj 2020 ) ….. <> Astronomers May Have Found the Closest Black Hole to Earth At just 1,000 light-years away, an object in a nearby star system could be our nearest known black hole—but not everyone is convinced

….. (Hentet 21.apr.2020 ) ….. <> Astronomers say exoplanet was actually a dust cloud The exoplanet Fomalhaut b in a nearby star system likely never existed, say astronomers. Their analysis points to a vast, expanding cloud of dust instead—likely from a cosmic collision. "Clearly, Fomalhaut b was doing things a bona fide planet should not be doing." The astronomers conclude that NASA's Hubble Space Telescope was looking at an expanding cloud of very fine dust particles from two ic

….. (Hentet 20.apr.2020 ) ….. <> Astronomers: Our Galaxy Is Belligerently Flinging Stars Into Space Yeet! New research suggests that the supernovae in the center of our galaxy could be constantly launching stars out toward its outermost reaches. New simulations by University of California, Irvine researchers show how clusters of exploding stars could be powerful enough to blast their unfortunate brethren all the way out to the boondocks of the Milky Way, CNET reports . The simulations suggest t

….. (Hentet 21.apr.2020 ) ….. <> Astrophysicists discover exotic merger of black holes Gravitational wave researchers at LIGO and Virgo observatories spot black holes of different sizes colliding. The finding is unusual because previous black hole mergers involved partners of similar size. The new information re-confirms Einstein's theory of relativity. Gravitational wave researchers discovered a very unusual merger of black holes 2.4 billion light-years away. They spotted a collis

….. (Hentet 21.apr.2020 ) ….. <> ASU scientists lead study of galaxy's 'water worlds' In seeking to learn more about Neptune-like exoplanets, an international team of researchers, led by Arizona State University, has provided one of the first mineralogy lab studies for water-rich exoplanets.

….. (Hentet 13.maj 2020 ) ….. <> Asymmetric iodoesterification of simple alkenes by concerto catalyst Japanese researchers have succeeded in catalytic asymmetric iodoesterification from simple alkene substrates and carboxylic acids. Published in Angewandte Chemie International Edition on April 27, this new research, was accomplished by precisely controlling multiple interactions in a single catalytic reaction. This synthetic reaction is expected to contribute to the simplification of industrial pr

….. (Hentet 21.apr.2020 ) ….. <> At times of suffering, the greatest gift is accompaniment by another The genetics researchers Anne-Marie Laberge and Wylie Burke in 2009 reported the case of a healthy 31-year-old woman, an administrative assistant with three estranged sisters, and a mother who'd died of breast cancer in her 40s. Concerned about her risk, the woman sought testing for BRCA1 and BRCA2 inherited mutations, which increase the risk of female breast and ovarian cancers. When the testing

….. (Hentet 21.maj 2020 ) ….. <> ATLAS telescope discovers first-of-its-kind asteroid with a comet-like tail We often think of asteroids and comets as distinct types of small bodies, but astronomers have discovered an increasing number of "crossovers." These objects initially appear to be asteroids, and later develop activity, such as tails, that are typical of comets.

….. (Hentet 23.apr.2020 ) ….. <> Atmospheric tidal waves maintain Venus' super-rotation Images from the Akatsuki spacecraft unveil what keeps Venus's atmosphere rotating much faster than the planet itself.

….. (Hentet 13.maj 2020 ) ….. <> Atomically thin magnets for next generation spin and quantum electronics As our smartphones, laptops, and computers get smaller and faster, so do the transistors inside them that control the flow of electricity and store information. But traditional transistors can only shrink so much. Now, researchers at Stevens Institute of Technology have developed a new atomically thin magnetic semiconductor that will allow the development of new transistors that work in a complete

….. (Hentet 21.apr.2020 ) ….. <> Att hantera sin oro i kristider Vi är sociala varelser och i kriser har vi en tendens att ty oss till varandra, att vara nära. Men den här krisen tvingar oss att göra precis tvärtom, att hålla fysisk distans. Hur påverkar det vår psykiska hälsa och vad kan vi göra för att må så bra som möjligt, trots allt? Det ligger i vår natur att söka tröst och närhet hos varandra när livet blir jobbigt eller när vi hamnar i någon form av kr

….. (Hentet 20.maj 2020 ) ….. <> Attosecond physics: Quantum brakes in molecules Physicists have measured the flight times of electrons emitted from a specific atom in a molecule upon excitation with laser light. This has enabled them to measure the influence of the molecule itself on the kinetics of emission.

….. (Hentet 7.maj 2020 ) ….. <> Atypical vibrational interactions [no content]

….. (Hentet 21.apr.2020 ) ….. <> Australia's Fire Season Ends, and Researchers Look to the Next One With its otherworldly conditions, Australia has become a testing ground for fire-prediction technology.

….. (Hentet 22.apr.2020 ) ….. <> Author Correction: A cross-sectional study to characterize local HIV-1 dynamics in Washington, DC using next-generation sequencing Scientific Reports, Published online: 22 April 2020; doi:10.1038/s41598-020-63859-y

….. (Hentet 21.apr.2020 ) ….. <> Author Correction: Evidence of trans-generational developmental modifications induced by simulated heat waves in an arthropod Scientific Reports, Published online: 21 April 2020; doi:10.1038/s41598-020-63871-2

….. (Hentet 22.apr.2020 ) ….. <> Author Correction: Thermal equation of state of ruthenium characterized by resistively heated diamond anvil cell Scientific Reports, Published online: 22 April 2020; doi:10.1038/s41598-020-63865-0

….. (Hentet 21.apr.2020 ) ….. <> Author Correction: TmRelish is required for regulating the antimicrobial responses to Escherichia coli and Staphylococcus aureus in Tenebrio molitor Scientific Reports, Published online: 21 April 2020; doi:10.1038/s41598-020-63872-1 Author Correction: Tm Relish is required for regulating the antimicrobial responses to Escherichia coli and Staphylococcus aureus in Tenebrio molitor

….. (Hentet 7.maj 2020 ) ….. <> Bacteria 'factories' used to discover potential new malaria drugs Researchers have engineered bacteria to produce new versions of a potential antibiotic molecule, some with potent antimalarial properties.

….. (Hentet 21.maj 2020 ) ….. <> Bacteria maintain motile reserves [no content]

….. (Hentet 27.apr.2020 ) ….. <> Bacteria that are persistently resistant to one antibiotic are 'primed' to become multidrug-resistant bugs Antibiotics save lives—but using them also helps antibiotic-resistant strains evolve and spread. Each year, antibiotic-resistant bacteria infect some 2.8 million people in the United States, killing more than 35,000, according to the Centers for Disease Control and Prevention. Infections by multidrug-resistant—or MDR—bacteria, which are resistant to two or more antibiotics, are particularly diffic

….. (Hentet 21.apr.2020 ) ….. <> Bacterial flagellar motor PL-ring disassembly subcomplexes are widespread and ancient [Evolution] The bacterial flagellum is an amazing nanomachine. Understanding how such complex structures arose is crucial to our understanding of cellular evolution. We and others recently reported that in several Gammaproteobacterial species, a relic subcomplex comprising the decorated P and L rings persists in the outer membrane after flagellum disassembly. Imaging…

….. (Hentet 13.maj 2020 ) ….. <> Bacterial injection system with a light-controlled molecular switch When bacteria such as Salmonella or Yersinia cause fever, diarrhoea or abdominal pain, tiny 'injection needles' are at work: their type 3 secretion system, or T3SS for short, shoots bacterial virulence proteins directly into the eukaryotic host cells. Researchers have thought of using bacterial injection devices to introduce proteins into eukaryotic cells. A Max Planck research team has now succee

….. (Hentet 26.apr.2020 ) ….. <> Bag kameraet på 'Vilde vidunderlige Danmark': Hjælpsomme myrer og snedig larve flytter ind i studiet Tv-folk babysitter myrer i månedvis, mens fotografer ligger på lur efter krondyr.

….. (Hentet 11.maj 2020 ) ….. <> Baker's yeast cells provide information on how organisms could cope with global warming The conditions in the environment are subject to large fluctuations. In Germany, for instance, temperatures can range from a freezing minus 20 degrees Celsius in the winter to a hot 40 degrees Celsius in the summer. Organisms that are unable to adapt to such temperature changes will not survive and thus will not pass on their genetic information to the next generation. In a world in which we are c

….. (Hentet 30.apr.2020 ) ….. <> Balancing impacts of range-shifting species: Invasives vs. biodiversity For many years, the conservation community has embraced the idea that improving connectivity, that is, creating corridors so species can follow their preferred climate, will benefit biodiversity, says Toni Lyn Morelli at UMass Amherst's Climate Adaptation Science Center. But, 'I also work with invasive species experts and conservationists who know that new species can be problematic.' One communit

….. (Hentet 14.maj 2020 ) ….. <> Barn Owl Babies Can Be Helpful Hatch Mates Food sharing is mainly found in adult animals as a part of social bonding. But in a rarely observed behavior in birds, older barn owl chicks will share food with younger ones.

….. (Hentet 22.maj 2020 ) ….. <> Basics of heartworm disease testing Summer is growing closer and as the weather begins to warm up, mosquitos will become more active.

….. (Hentet 22.apr.2020 ) ….. <> Bats can use 'vocal learning' to change their tune Humans learn to speak by mimicking speech sounds. Are there other mammals who can learn sounds by imitation? In an experimental study, researchers from the Max Planck Institute for Psycholinguistics in Nijmegen and the Ludwig Maximilians University in Munich show that adult bats can learn to change their social calls by imitating modified calls. Studying vocal learning in bats is an important step

….. (Hentet 14.maj 2020 ) ….. <> Beads made of boa bones identified in lesser Antilles Today boa snakes have a patchy distribution in the islands that form the Lesser Antilles in the Caribbean Sea, but the constrictors are nearly absent from archaeological deposits in the region. Whether this scarcity is due to past species distribution, poor preservation conditions, or a lack of interaction with human communities, remains unknown.

….. (Hentet 19.maj 2020 ) ….. <> Bee species rediscovered after scientists thought it may no longer exist A species of bee from Florida that scientists thought might no longer exist was rediscovered earlier this spring, according to the Florida Museum of Natural History.

….. (Hentet 20.maj 2020 ) ….. <> 'Bee' thankful for the evolution of pollen Over 80% of the world's flowering plants must reproduce in order to produce new flowers. This process involves the transfer of pollen between plants by wind, water or insects called pollinators — including bumblebees. In a new study, researchers at the University of Missouri discovered spiny pollen — from a native wild dandelion species in the southern Rocky Mountains — has evolved to attach to

….. (Hentet 7.maj 2020 ) ….. <> Beer was here! A new microstructural marker for malting in the archaeological record A new method for reliably identifying the presence of beer or other malted foodstuffs in archaeological finds is described in a study published maj 6, 2020 in the open-access journal PLOS ONE by Andreas G. Heiss from the Austrian Academy of Sciences (OeAW), Austria and colleagues.

….. (Hentet 12.maj 2020 ) ….. <> Beetle penis field investigations lead to new species discovery in Norway It took seven years, countless beetle penis field investigations, and hours upon hours on hands and knees in coastal wetlands. This is the story of all the research that has to happen before a new species can finally get its official name.

….. (Hentet 21.apr.2020 ) ….. <> Behavioral intervention, not lovastatin, improves language skills in youth with fragile X–bin042120.php A UC Davis Health study found more evidence for the efficacy of telehealth-delivered behavioral intervention in treating language problems in youth with fragile X syndrome. The authors, however, could not establish efficacy for the drug lovastatin as a treatment for learning or behavior problems in individuals with fragile X.

….. (Hentet 23.apr.2020 ) ….. <> Being fun is no laughing matter A longitudinal study examined whether children who are well-liked and children who are popular got that way by being fun to hang around with. Results clearly underscore the importance of being fun. Across a two-month period, primary school children perceived by classmates as someone who is fun to be around experienced an increase in the number of classmates who liked them and the number who rated

….. (Hentet 3.maj 2020 ) ….. <> Believable Extraterrestrials The 100th anniversary of astronomy's 'Great Debate' prompts thoughts on the hunt for life in the universe

….. (Hentet 11.maj 2020 ) ….. <> Belt and Road's financiers fall short on biodiversity Most financiers of international infrastructure program, the Belt and Road Initiative (BRI), are falling short on biodiversity safeguards, according to University of Queensland research.

….. (Hentet 7.maj 2020 ) ….. <> Benthos in the Antarctic Weddell Sea in decline Over the past quarter-century, changes in Antarctic sea-ice cover have had profound impacts on life on the ocean floor. As biologists from the Alfred Wegener Institute report in the latest issue of the journal Nature Communications, between 1988 and 2014, total benthic biomass on the continental shelf of the northeast Weddell Sea declined by two thirds. In addition, the composition of the benthos

….. (Hentet 30.apr.2020 ) ….. <> Bermudagrass harvest management options with poultry litter fertilization Managing Harvests of 'Russell' and 'Tifton 44' Bermudagrass Receiving Broiler Litter for Phosphorus Removal and Nutritive Value

….. (Hentet 24.apr.2020 ) ….. <> Best of this week's opinion Our columnists' thoughts on saving the eurozone, M&A risks, and strongman leaders

….. (Hentet 28.apr.2020 ) ….. <> Beta cells from stem cells: Potential for cell replacement therapy The loss of insulin-secreting beta cells by autoimmune destruction leads to type 1 diabetes. Clinical islet cell transplantation has the potential to cure diabetes, but donor pancreases are rare. In a new study, a group of researchers developed an improved pluripotent stem cell differentiation protocol to generate beta cells in vitro with superior glucose response and insulin secretion. This is a

….. (Hentet 21.apr.2020 ) ….. <> Better lives: social insight isn't enough Nature, Published online: 21 April 2020; doi:10.1038/d41586-020-01146-6

….. (Hentet 30.apr.2020 ) ….. <> Better understanding of nature's nanomachines may help in design of future drugs Many of the drugs and medicines that we rely on today are natural products taken from microbes like bacteria and fungi. Within these microbes, the drugs are made by tiny natural machines—mega-enzymes known as nonribosomal peptide synthetases (NRPSs). A research team led by McGill University has gained a better understanding of the structures of NRPSs and the processes by which they work. This impr

….. (Hentet 15.maj 2020 ) ….. <> Big data and synthetic chemistry could fight climate change and pollution Scientists at the University of South Carolina and Columbia University have developed a faster way to design and make gas-filtering membranes that could cut greenhouse gas emissions and reduce pollution.

….. (Hentet 24.apr.2020 ) ….. <> Big data reveals we're running out of time to save environment and ourselves The paper, 'Opportunities for big data in conservation and sustainability', published today in Nature Communications, said increased computing speeds and data storage had grown the volume of big data in the last 40 years, but the planet was still facing serious decline.

….. (Hentet 18.maj 2020 ) ….. <> Big-brained minnows of tomorrow could face cognitive challenges in warmer waters Climate change could leave freshwater fish with bigger brains but a reduced ability to effectively explore their surroundings, scientists have found.

….. (Hentet 14.maj 2020 ) ….. <> Bike commuting accelerated when bike-share systems rolled into town In the past couple of years, if you lived in a major, or even mid-sized city, you were likely familiar with bike-share bikes.

….. (Hentet 15.maj 2020 ) ….. <> Binge drinkers beware, Drunkorexia is calling Mojito, appletini or a simple glass of fizz — they maj take the edge off a busy day, but if you find yourself bingeing on more than a few, you could be putting your physical and mental health at risk according new research.

….. (Hentet 27.apr.2020 ) ….. <> Biochemists unveil molecular mechanism for motor protein regulation Researchers have unveiled the mechanism by which one particular molecule affects dynein function. While it was long known that the lissencephaly-1 gene, or Lis1, affects dynein activity, the details were unclear. Steven Markus and his team have revealed exactly how Lis1 activates dynein by preventing dynein's ability to turn itself off, stabilizing it in an 'open,' uninhibited conformation.

….. (Hentet 5.maj 2020 ) ….. <> Biocontrol most cost-effective in fight against common pest pear Opuntia stricta The cochineal Dactylopius opuntiae 'stricta' biotype is more effective as a sustainable biocontrol in the fight against the invasive common pest pear Opuntia stricta in Laikipia County, Kenya, compared to physical and/or chemical control—CABI scientists can now reveal.

….. (Hentet 4.maj 2020 ) ….. <> Biofabrication: 3-D printing, sonic tweezers, and the creation of neurons in microscopic cages Microscopically small cages have been produced at TU Wien (Vienna) with grid openings only a few micrometers in size, making them ideal for holding cells and allowing living tissue to grow in a very specific shape. This new field of research is called biofabrication.

….. (Hentet 21.apr.2020 ) ….. <> Bioinsecticide-minded researchers prospect for purple-pigmented bacterium The tidal marshes along the lower Potomac and James rivers in Maryland and Virginia support a rich array of aquatic and terrestrial wildlife—from blue crab and bass, to mud turtles, white-tailed deer and waterfowl among other inhabitants.

….. (Hentet 5.maj 2020 ) ….. <> Biological to Artificial and Back: How a Core AI Algorithm May Work in the Brain Blame is the main game when it comes to learning. I know that sounds bizarre, but hear me out. Neural circuits of thousands, if not more, neurons control every single one of your thoughts, reasonings, and behaviors. Take sewing a face mask as an example: somehow, a set of neurons have to link up in specific ways to make sure you don't poke your finger with a sharp needle. You'll fail at the begin

….. (Hentet 23.apr.2020 ) ….. <> Biologists investigate why the sweet taste of sugary foods diminishes when they're cool Have you ever noticed how a bite of warm cherry pie fills your mouth with sweetness, but that same slice right out of the refrigerator isn't nearly as tempting? Scientists know this phenomenon to be true, but the mechanism behind it has been poorly understood.

….. (Hentet 20.apr.2020 ) ….. <> Biologists test the waters off Japan New study looks at impact of carbon dioxide on marine habitats.

….. (Hentet 4.maj 2020 ) ….. <> Biomaterial immune control discoveries could reduce implant rejection Scientists have discovered how the materials used in medical implants like artificial joints can be adapted to control the immune response to them and reduce the risk of rejection.

….. (Hentet 21.maj 2020 ) ….. <> Biophysicists find a way to take a peek at how membrane receptors work In a study published in Current Opinion in Structural Biology, MIPT biophysicists explained ways to visualize membrane receptors in their different states. Detailed information on the structure and dynamics of these proteins will enable developing effective and safe drugs to treat many sorts of conditions.

….. (Hentet 21.apr.2020 ) ….. <> Birds in the wild lower their bill temperature to prevent heat loss Birds in the wild appear to lower their bill temperature to prevent heat loss in order to preserve energy when food is scarce, according to new research.

….. (Hentet 22.apr.2020 ) ….. <> Birds on Rhinos' Back Help Them Avoid Poachers Oxpeckers riding on rhinoceroses feast on ticks, and their calls warn the nearsighted herbivores about approaching humans.

….. (Hentet 6.maj 2020 ) ….. <> Birds take flight with help from Sonic hedgehog Flight feathers are amazing evolutionary innovations that allowed birds to conquer the sky. A study led by Matthew Towers (University of Sheffield) and Marian Ros (University of Cantabria) and published in Development now reveals that flight feather identity is established thanks to Sonic hedgehog — a signalling molecule well-known for giving the digits of the limb their different identities. The

….. (Hentet 15.maj 2020 ) ….. <> Bizarre new species discovered… on Twitter While many of us use social media to be tickled silly by cat videos or wowed by delectable cakes, others use them to discover new species. Included in the latter group are researchers from the University of Copenhagen's Natural History Museum of Denmark. Indeed, they just found a new type of parasitic fungus via Twitter.

….. (Hentet 15.maj 2020 ) ….. <> Blind People Could 'See' Letters That Scientists Drew on Their Brains with Electricity Scientists stimulated the brain using electrodes implanted on its surface

….. (Hentet 13.maj 2020 ) ….. <> Blockchain: forget the criminal record, it might just save your life: study Blockchain, the technology that underpins digital currency and has acquired a slightly tainted reputation as a useful tool for organised crime, is coming out of the shadows and is set to become a friend to consumers, protecting them from tainted food, fake medicine, fraud and products with illegal or unethical origins, a new study from the University of Bath shows.

….. (Hentet 22.maj 2020 ) ….. <> Blood flow recovers faster than brain in micro strokes Work by a Rice neurobiologist shows that increased blood flow to the brain is not an accurate indicator of neuronal recovery after a microscopic stroke.

….. (Hentet 4.maj 2020 ) ….. <> Blood flows could be more turbulent than previously expected Blood flow in the human body is generally assumed to be smooth due to its low speed and high viscosity. Unsteadiness in blood flow is linked to various cardiovascular diseases and has been shown to promote dysfunction and inflammation in the inner layer of blood vessels, the endothelium. In turn, this can lead to the development of arteriosclerosis—a leading cause of death worldwide—where arterial

….. (Hentet 5.maj 2020 ) ….. <> Bluetooth-enabled device detects fermentation process over days Electrochemical reactions that occur in processes like ethanolic fermentation include the transformation of sugars into alcohol and carbon dioxide. Similar processes occur when the human body breaks down food, drugs or other compounds.

….. (Hentet 26.apr.2020 ) ….. <> BoE warns bank loan reserves risk choking business funding Regulators fear conservative planning for defaults will restrict much-needed credit to companies

….. (Hentet 29.apr.2020 ) ….. <> Bone proteomics could reveal how long a corpse has been underwater When a dead body is found, one of the first things a forensic pathologist tries to do is estimate the time of death. There are several ways to do this, including measuring body temperature or observing insect activity, but these methods don't always work for corpses found in water. Now, researchers are reporting a mouse study showing that certain proteins in bones could be used for this determinat

….. (Hentet 1.maj 2020 ) ….. <> Book Excerpt from The Idea of the Brain In Chapter 10, "Memory," author Matthew Cobb takes readers inside a couple of seminal moments in the scientific search for memory's mechanics.

….. (Hentet 1.maj 2020 ) ….. <> Boosting levels of good fats with an experimental drug that acts on two newly characterized genes A team of scientists have identified two genes that can regulate levels of healthy fats, called FAHFAs, in mice. They found that the loss of the two genes led to higher-than-normal levels of the beneficial FAHFAs, while blocking the genes' activity with an experimental drug also increased FAHFA levels. Because FAHFAs decrease inflammation and increase insulin sensitivity, a better understanding of

….. (Hentet 23.apr.2020 ) ….. <> Boosting the immune system's appetite for cancer A combination of immunotherapy agents that encourages some immune cells to eat cancer cells and alert others to attack tumors put mice with a deadly type of brain cancer called glioblastoma into long-term remission.

….. (Hentet 24.apr.2020 ) ….. <> Bose-Einstein condensate: Magnetic particles behave repulsively Data transmission that works with magnetic waves instead of electric currents can be the basis for future information technologies. Some years ago, researchers reached a new quantum state of magnetic particles at room temperature — a Bose-Einstein condensate. In a new study they show that the particles in the condensate behave repulsively, which leads to its stabilization. In this way, they resol

….. (Hentet 19.maj 2020 ) ….. <> Botswana probes mysterious death of 12 elephants Botswana is probing the mysterious deaths of a dozen elephants in the country's famed Okavango Delta, the tourism ministry said Tuesday, ruling out poaching because the animals' valuable tusks were not missing.

….. (Hentet 21.apr.2020 ) ….. <> Brain 'avalanches' may make memories stick New research maj shed light on how we form and retain memories. Scientists simulated the mechanics of a complex network that helps give neurons their ever-changing structures. They found the complex, Arp2/3, maj be largely responsible for the "avalanches" observed in the cells' cytoskeletal networks. The research follows a study last year that detailed the interactions that allow neurons to accep

….. (Hentet 13.maj 2020 ) ….. <> Brain signal measurement using printed tattoo electrodes Researchers have developed ultra-light tattoo electrodes that are hardly noticeable on the skin and make long-term measurements of brain activity cheaper and easier.

….. (Hentet 21.apr.2020 ) ….. <> Bread knives for the home baker For even slices. (Jude Infantini via Unsplash/) Imagine you've put hours of hard work into baking the perfect sourdough bread. You retrieve the loaf from the oven and set it to rest in all its crusty glory. When it's finally ready to be enjoyed, you're going to have to cut into that work of art. So do your dough justice! If you don't use a good bread knife, you'll end up with mangled, uneven slic

….. (Hentet 11.maj 2020 ) ….. <> Breaking down wood decomposition by fungi Through a combination of lab and field experiments, researchers have developed a better understanding of the factors accounting for different wood decomposition rates among fungi. The new findings reveal how an understanding of fungal trait variation can improve the predictive ability of early and mid-stage wood decay, a critical driver of the global carbon cycle.

….. (Hentet 23.apr.2020 ) ….. <> Breakthrough in genome visualization: Faster, less memory-intensive method Kadir Dede and Dr. Enno Ohlebusch at Ulm University in Germany have devised a method for constructing pan-genome subgraphs at different granularities without having to wait hours and days on end for the software to process the entire genome. Scientists will now be able to create visualizations of pan-genomes on different scales much more rapidly.

….. (Hentet 4.maj 2020 ) ….. <> Breakthrough in molecular machines Molecules are some of life's most basic building blocks. When they work together in the right way, they become molecular machines that can solve the most amazing tasks. They are essential for all organisms by, for example, maintaining a wide range of cellular functions and mechanisms.

….. (Hentet 20.maj 2020 ) ….. <> Breakthrough in research on production of 2-D crystals with excellent optical properties For the first time, monolayers of transition metal dichalcogenides with excellent optical properties were grown. A team of physicists from the University of Warsaw managed to overcome the technical difficulties faced by industry and scientists from around the world—namely the very limited size, heterogeneity, and broadening of the spectral lines of fabricated materials. Monolayers without these de

….. (Hentet 25.apr.2020 ) ….. <> Breakthrough to halt premature aging of cells submitted by /u/Fascinax [link] [comments]

….. (Hentet 30.apr.2020 ) ….. <> 'Breathable' electronics pave the way for more functional wearable tech Engineering researchers have created ultrathin, stretchable electronic material that is gas permeable, allowing the material to 'breathe.' The material was designed specifically for use in biomedical or wearable technologies, since the gas permeability allows sweat and volatile organic compounds to evaporate away from the skin, making it more comfortable for users — especially for long-term wear.

….. (Hentet 28.apr.2020 ) ….. <> Bringing light to ER contacts and a new phase in organelle communication [Commentaries] Functioning cells depend on the outward-facing plasma membrane (PM) effectively contacting the endoplasmic reticulum (ER), which serves as a central hub for contacts with mitochondria and other intracellular organelles. The contact sites are critical to intracellular communication because they mediate intermembrane exchange of lipids, ions, and other small molecules that…

….. (Hentet 5.maj 2020 ) ….. <> Broadband enhancement relies on precise tilt Quantum photonics involves a new type of technology that relies on photons, the elementary particle of light. These photons can potentially carry quantum bits of information over large distances. If the photon source could be placed on a single chip and made to produce photons at a high rate, this could enable high-speed quantum communication or information processing, which would be a major advan

….. (Hentet 26.apr.2020 ) ….. <> Brochs fresh: plan for new stone tower to shed light on Scottish history Experiment aims to understand how iron-age brochs developed and what they signified Stone upon stone, the towering embodiment of their builders' wealth, status or hunger for defence, Scotland's iron-age brochs have fascinated and confounded archeologists for centuries. The precise constitution of these architecturally complex roundhouses, and why they remain unique to Scotland, is the subject of

….. (Hentet 23.apr.2020 ) ….. <> Bromodomain inhibitors revisited [no content]

….. (Hentet 7.maj 2020 ) ….. <> Bug experts dismiss worry about US 'murder hornets' as hype Insect experts say people should calm down about the big bug with the nickname "murder hornet"—unless you are a beekeeper or a honeybee.

….. (Hentet 7.maj 2020 ) ….. <> Building blocks of the cell wall: pectin drives reproductive development in rice Researchers from the University of Tsukuba have revealed that pectin, a carbohydrate found in plant cell walls, plays a vital part in the development of female reproductive tissues of rice plants. It was found that the presence of a gene involved in pectin modification increased plant fertility relative to a modified plant with the gene removed. These findings could have major implications in crop

….. (Hentet 11.maj 2020 ) ….. <> Bumble bee disease, reproduction shaped by flowering strip plants Flowering strips—pollinator-friendly rows of plants that increase foraging habitat for bees—can help offset pollinator decline but maj also bring risks of higher pathogen infection rates for pollinators foraging in those strips.

….. (Hentet 21.maj 2020 ) ….. <> Bumble bee gardeners [no content]

….. (Hentet 21.maj 2020 ) ….. <> Bumblebees Bite Plants to Force Them to Flower (Seriously) The behavior could be an evolutionary adaptation that lets bees forage more easily

….. (Hentet 22.maj 2020 ) ….. <> Bumblebees speed up flowering by piercing plants When pollen is in short supply, bumblebees damage plant leaves in a way that accelerates flower production, as an ETH research team headed up by Consuelo De Moraes and Mark Mescher has demonstrated.

….. (Hentet 23.apr.2020 ) ….. <> 'Bursty' email communication helps groups convert resources into results Many organizations arrange employees into groups, and research has recognized the importance of groups having access to resources (e.g., labor, knowledge, raw materials, technology, financial capital), as well as how they use those resources to ensure optimal performance. These studies have shown that groups with the same resources vary in how they use what is available, suggesting that the same r

….. (Hentet 21.maj 2020 ) ….. <> Business this week [no content]

….. (Hentet 21.apr.2020 ) ….. <> Businesses apply for £1.5bn of state aid for furloughed workers Accountants raise concerns over issues on the platform as 185,000 companies apply in first 24 hours

….. (Hentet 19.maj 2020 ) ….. <> But it's a dry heat: Climate change and the aridification of North America Discussions of drought often center on the lack of precipitation. But among climate scientists, the focus is shifting to include the growing role that warming temperatures are playing as potent drivers of greater aridity and drought intensification.

….. (Hentet 20.apr.2020 ) ….. <> By 2023, some General Motors facilities in Michigan will run on 100% renewables GM and energy supplier DTE Energy will partner to bring more wind and solar energy to Michigan. submitted by /u/Wagamaga [link] [comments]

….. (Hentet 20.apr.2020 ) ….. <> Cable bacteria can drastically reduce greenhouse gas emissions from rice cultivation A Danish-German research collaboration maj have found a solution to the large climate impact from the world's rice production: By adding electric conductive cable bacteria to soil with rice plants, they could reduce methane emissions by more than 90%.

….. (Hentet 14.maj 2020 ) ….. <> Cahokia's rise parallels onset of corn agriculture Corn cultivation spread from Mesoamerica to what is now the American Southwest by about 4000 B.C., but how and when the crop made it to other parts of North America is still debated. In a new study, scientists report that corn was not grown in the ancient metropolis of Cahokia until sometime between A.D. 900 and 1000, a relatively late date that corresponds to the start of the city's rapid expansi

….. (Hentet 21.apr.2020 ) ….. <> California grants temporary endangered species status to Southern California cougars The state Fish and Game Commission on Thursday set the stage for a fierce environmental battle by granting temporary endangered species status to the several hundred cougars still roaming Southern California and the Central Coast.

….. (Hentet 1.maj 2020 ) ….. <> Camera Traps May Overcount Snow Leopards and Other Vulnerable Species Markings on big cats are hard to distinguish, meaning one animal maj be counted as two

….. (Hentet 27.apr.2020 ) ….. <> Can exercise during pregnancy reduce obesity in offspring? Washington State University researchers found that exercising while pregnant might reduce the risk of obesity in children. The study, conducted on mice, also discovered that offspring of fit mothers have better metabolic health. Infant mice whose mothers exercised had higher levels of brown adipose tissue, aka brown fat. There's an ongoing joke among members of Gen X that our mothers smoked cigar

….. (Hentet 29.apr.2020 ) ….. <> Can High-Intensity Exercise Improve Your Memory? Exercise like walking, swimming, and even dancing have been shown to be good for your memory, but the optimal intensity of that exercise has been unclear… until now

….. (Hentet 20.apr.2020 ) ….. <> Can high-power microwaves reduce the launch cost of space-bound rockets? Researchers calculated the efficiencies of four important features of microwave-beam-powered propulsion systems for rockets. These findings are critical to minimizing or possibly reducing the cost of rocket propulsion systems.

….. (Hentet 22.maj 2020 ) ….. <> Can oilfield water safely be reused for irrigation in California? Reusing low-saline oilfield water mixed with surface water to irrigate farms in the Cawelo Water District of California does not pose major health risks, as some opponents of the practice have feared, a study led by Duke University and RTI International researchers finds. This finding only applies to questions about the safety in this water district, however. Oilfield water elsewhere will have dif

….. (Hentet 12.maj 2020 ) ….. <> Can we really tell male and female dinosaurs apart? Scientists worldwide have long debated our ability to identify male and female dinosaurs. Now, research led by Queen Mary University of London has shown that despite previous claims of success, it's very difficult to spot differences between the sexes.

….. (Hentet 20.maj 2020 ) ….. <> Canadian policy on corporate emissions translates to higher market value Conventional wisdom suggests that when a company generates more carbon emissions, investors should lower its stock price. After all, the company is generating a socially undesirable byproduct.

….. (Hentet 18.maj 2020 ) ….. <> Cancer researchers locate drivers of tumor resistance How do tumors change their behavior and resist anticancer therapies? Cancer biologists have documented genetic signals that promote the conversion of cancer cells into those that resist therapy.

….. (Hentet 20.apr.2020 ) ….. <> Cannabinoid exposure in rat adolescence reprograms the initial behavioral, molecular, and epigenetic response to cocaine [Neuroscience] The initial response to an addictive substance can facilitate repeated use: That is, individuals experiencing more positive effects are more likely to use that drug again. Increasing evidence suggests that psychoactive cannabinoid use in adolescence enhances the behavioral effects of cocaine. However, despite the behavioral data, there is no neurobiological…

….. (Hentet 7.maj 2020 ) ….. <> Cannibalism helps invading invertebrates survive severe conditions Investing in the future: Researchers show how cannibalism among the invasive comb jelly enables adults to survive severe conditions at the edge of their ecological range with implications for the use and evolutionary origins of cannibalism.

….. (Hentet 13.maj 2020 ) ….. <> Can't touch this! Video shows blacktip sharks use shallow water to flee huge predators Aerial drone footage provides the first evidence of adult blacktip sharks using shallow waters as a refuge from a huge predator – the great hammerhead. Before this study, documentation of adult sharks swimming in shallower waters to avoid predation did not exist. Unmanned aerial vehicles enable scientists to unobtrusively observe behaviors in the wild, providing insight into seldom-seen predator-p

….. (Hentet 13.maj 2020 ) ….. <> Can't touch this! Video shows blacktip sharks use shallow water to flee huge predators It's "hammerhead" time according aerial drone footage of blacktip sharks fleeing to shallow waters when confronted by a huge predator along the coast of southeast Florida. Footage from the drone provides the first evidence of adult blacktip sharks (Carcharhinus limbatus) using shallow waters as a refuge from the great hammerhead shark, (Sphyrna mokarran)—proving you "can't touch this."

….. (Hentet 21.maj 2020 ) ….. <> Capturing the coordinated dance between electrons and nuclei in a light-excited molecule Using a high-speed "electron camera" at the Department of Energy's SLAC National Accelerator Laboratory, scientists have simultaneously captured the movements of electrons and nuclei in a molecule after it was excited with light. This marks the first time this has been done with ultrafast electron diffraction, which scatters a powerful beam of electrons off materials to pick up tiny molecular moti

….. (Hentet 22.apr.2020 ) ….. <> Caribbean coral reef decline began in 1950s and 1960s from local human activities Now, in a new paper in Science Advances, Cramer has combined fossil data, historical records, and underwater survey data to reconstruct the abundance of staghorn and elkhorn corals over the past 125,000 years. She finds that these corals first began declining in the 1950s and 1960s, earlier than previously thought.

….. (Hentet 22.apr.2020 ) ….. <> Carrot-top pesto, beet ketchup, and other recipes for using up odds and ends in your fridge Step one: Eat ugly fruits and vegetables you'd normally skip or toss out. (Justin Walker/) This story originally featured on Saveur . We throw away too much food: up to 40 percent of what we produce for human consumption in America. And while the fight against food waste is one we should fight every day, what better day to confront this problem than on Earth Day? According to statistics from the

….. (Hentet 20.apr.2020 ) ….. <> Catalyst enables reactions with the help of green light For the first time, chemists have developed a titanium catalyst that makes light usable for selective chemical reactions. It provides a cost-effective and non-toxic alternative to the ruthenium and iridium catalysts used so far, which are based on very expensive and toxic metals. It can be used to produce highly selective chemical products that can provide the basis for antiviral drugs or luminesc

….. (Hentet 24.apr.2020 ) ….. <> Catalyst opens door to more efficient, environmentally friendly ethylene production A research team led by North Carolina State University has engineered a new catalyst that can more efficiently convert ethane into ethylene, which is used in a variety of manufacturing processes. The discovery could be used in a conversion process to drastically reduce ethylene production costs and cut related carbon dioxide emissions by up to 87%.

….. (Hentet 30.apr.2020 ) ….. <> Catastrophic outburst floods carved Greenland's 'Grand Canyon' Buried a mile beneath Greenland's thick ice sheet is a network of canyons so deep and long that the largest of these has been called Greenland's 'Grand Canyon.' This megacanyon's shape suggests it was carved by running water prior to widespread glaciation, but exactly when and how the island's grandest canyon formed are topics of intense debate.

….. (Hentet 30.apr.2020 ) ….. <> Catch rate is a poor indicator of lake fishery health Fishery collapses can be difficult to forecast and prevent due to hyperstability, a phenomenon where catch rates remain high even as fish abundance declines. In a recent Canadian Journal of Fisheries and Aquatic Sciences study, researchers conducted a whole-lake experiment to reveal the causes of hyperstability in recreational fisheries. Fish habitat preferences were found to leave them vulnerable

….. (Hentet 30.apr.2020 ) ….. <> Catching nuclear smugglers: Fast algorithm could enable cost-effective detectors at borders A new algorithm could enable faster, less expensive detection of weapons-grade nuclear materials at borders, quickly differentiating between benign and illicit radiation signatures in the same cargo.

….. (Hentet 29.apr.2020 ) ….. <> Cation-induced shape programming and morphing in protein-based hydrogels Smart materials that are capable of memorizing a temporary shape, and morph in response to a stimulus, have the potential to revolutionize medicine and robotics. Here, we introduce an innovative method to program protein hydrogels and to induce shape changes in aqueous solutions at room temperature. We demonstrate our approach using hydrogels made from serum albumin, the most abundant protein in

….. (Hentet 23.apr.2020 ) ….. <> Caught in the act [no content]

….. (Hentet 20.maj 2020 ) ….. <> Caves tell us that Australia's mountains are still growing Research shows Buchan Caves to be about 3.5 million years old and that Victoria's East Gippsland has remained tectonically active for long times, even into the present-day, which is why residents occasionally report earthquakes. Basically, the uplifting Southern Alps in New Zealand have made stress and strain on the Australian tectonic plate, stress that is then expressed as earthquakes and rising

….. (Hentet 1.maj 2020 ) ….. <> Cavitation in lipid bilayers poses strict negative pressure stability limit in biological liquids [Physics] Biological and technological processes that involve liquids under negative pressure are vulnerable to the formation of cavities. Maximal negative pressures found in plants are around −100 bar, even though cavitation in pure bulk water only occurs at much more negative pressures on the relevant timescales. Here, we investigate the influence…

….. (Hentet 23.apr.2020 ) ….. <> cDC1 and cancer [no content]

….. (Hentet 12.maj 2020 ) ….. <> Celiac disease linked to common chemical pollutants Elevated blood levels of toxic chemicals found in pesticides, nonstick cookware, and fire retardants have been tied to an increased risk for celiac disease in young people, new research shows.

….. (Hentet 27.apr.2020 ) ….. <> Cell atlas of aqueous humor outflow pathways in eyes of humans and four model species provides insight into glaucoma pathogenesis [Cell Biology] Increased intraocular pressure (IOP) represents a major risk factor for glaucoma, a prevalent eye disease characterized by death of retinal ganglion cells; lowering IOP is the only proven treatment strategy to delay disease progression. The main determinant of IOP is the equilibrium between production and drainage of aqueous humor, with…

….. (Hentet 14.maj 2020 ) ….. <> 'Cell pores' discovery gives hope to millions of brain and spinal cord injury patients Scientists have discovered a new treatment to dramatically reduce swelling after brain and spinal cord injuries, offering hope to 75 million victims worldwide each year.

….. (Hentet 22.maj 2020 ) ….. <> Cell reproduction dogma challenged Meiosis is essential to sexual reproduction. For almost 15 years, it has been commonly held that retinoic acid, a molecule derived from vitamin A, triggers meiosis in mammalian germ cells. Yet, in joint articles published in Science Advances, french researchers with their colleagues, demonstrate that meiosis in mice begins and proceeds normally even in the absence of retinoic acid. These findings

….. (Hentet 21.apr.2020 ) ….. <> Cell-autonomous expression of the acid hydrolase galactocerebrosidase [Genetics] Lysosomal storage diseases (LSDs) are typically caused by a deficiency in a soluble acid hydrolase and are characterized by the accumulation of undegraded substrates in the lysosome. Determining the role of specific cell types in the pathogenesis of LSDs is a major challenge due to the secretion and subsequent uptake…

….. (Hentet 29.apr.2020 ) ….. <> Certain diabetes drugs may protect against serious kidney problems Use of sodium glucose cotransporter 2 (SGLT2) inhibitors to treat type 2 diabetes maj help to lower the risk of serious kidney problems, finds a study published by The BMJ today.

….. (Hentet 14.maj 2020 ) ….. <> CFC replacements are a source of persistent organic pollution in the Arctic Substances used to replace ozone-depleting chlorofluorocarbons (CFCs) maj be just as problematic as their predecessors, a new study shows.

….. (Hentet 7.maj 2020 ) ….. <> Challenges in tree-planting programs [no content]

….. (Hentet 11.maj 2020 ) ….. <> Chameleon materials: The origin of color variation in low-dimensional perovskites Some light-emitting diodes (LEDs) created from perovskite, a class of optoelectronic materials, emit light over a broad wavelength range. Scientists have now shown that in some cases, the explanation of why this happens is incorrect. Their new explanation should help scientists to design perovskite LEDs capable of broad-range light emission.

….. (Hentet 11.maj 2020 ) ….. <> Change of direction in immune defense: Frankincense reprograms inflammatory enzyme A research team from the Friedrich Schiller University of Jena (Germany) and Louisiana State University has clarified the molecular mechanism behind the anti-inflammatory effect of a natural product from frankincense resin. The enzyme 5-lipoxygenase plays a key role here: the natural product reprograms the normally pro-inflammatory enzyme into an anti-inflammatory protein.

….. (Hentet 20.apr.2020 ) ….. <> Changes in snowmelt threaten farmers in western US Farmers in parts of the western United States who rely on snowmelt to help irrigate their crops will be among the hardest hit in the world by climate change, a new study reveals.

….. (Hentet 14.maj 2020 ) ….. <> Changing views and a changing ocean [no content]

….. (Hentet 7.maj 2020 ) ….. <> Chaperones put the brakes on opioids [no content]

….. (Hentet 29.apr.2020 ) ….. <> Characterization of the coformycin biosynthetic gene cluster in Streptomyces kaniharaensis [Chemistry] Coformycin and pentostatin are structurally related N-nucleoside inhibitors of adenosine deaminase characterized by an unusual 1,3-diazepine nucleobase. Herein, the cof gene cluster responsible for coformycin biosynthesis is identified. Reconstitution of the coformycin biosynthetic pathway in vitro demonstrates that it overlaps significantly with the early stages of l-histidine biosynthesis. Commi

….. (Hentet 21.apr.2020 ) ….. <> Charismatic invasive species have an easier time settling into new habitats An international study, in which the University of Cordoba participated, assessed the influence of charisma in the handling of invasive species and concluded that the perception people have of them can hinder our control over these species and condition their spread

….. (Hentet 7.maj 2020 ) ….. <> Chemical analysis of Tully monster suggests it was a vertebrate A team of researchers affiliated with several institutions in the U.S. and one in Germany has found evidence that suggests the Tully monster was a vertebrate. In their paper published in the journal Geobiology, the group describes their Raman micro-spectroscopy study of the ancient creatures and what they learned about them.

….. (Hentet 13.maj 2020 ) ….. <> Chemical composition of bedrock limits vegetation growth in karst regions, research shows Scientists have revealed the critical role that the chemical composition of bedrock plays in limiting vegetation growth in some of the world's most barren and rocky terrains.

….. (Hentet 11.maj 2020 ) ….. <> Chemical evidence of dairying by hunter-gatherers in Lesotho in the first millennium AD After analyzing organic residues from ancient pots, a team of scientists led by the University of Bristol has uncovered new evidence of dairying by hunter-gatherers in the landlocked South African country of Lesotho in the mid-late first millennium AD.

….. (Hentet 20.maj 2020 ) ….. <> Chemical recycling makes useful product from waste bioplastic A faster, more efficient way of recycling plant-based 'bioplastics' has been developed by a team of scientists.

….. (Hentet 8.maj 2020 ) ….. <> Chemistry breakthrough could speed up drug development Scientists have successfully developed a new technique to reliably grow crystals of organic soluble molecules from nanoscale droplets, unlocking the potential of accelerated new drug development.

….. (Hentet 20.apr.2020 ) ….. <> Chemists create faster-degrading plastic for marine uses To address the plastic environmental crisis, Cornell chemists have developed a new polymer with ample strength in a marine setting that is poised to degrade by ultraviolet radiation, according to research published March 30 in the Journal of the American Chemical Society.

….. (Hentet 28.apr.2020 ) ….. <> Childhood obesity and high blood pressure warn of future heart disease A large study in adolescents and children, some as young as 3 years of age, shows a link between obesity, high blood pressure, and later damage to blood vessels. The research is presented today on EAPC Essentials 4 You, a scientific platform of the European Society of Cardiology (ESC).

….. (Hentet 21.apr.2020 ) ….. <> Children face three times more air pollution during the school run Children face a worrying threefold increase in air pollution during the daily school runs, causing air quality experts to call for restrictions on the use of cars during those periods.

….. (Hentet 30.apr.2020 ) ….. <> Children who have difficult relationships with their moms are clingy towards teachers Children who experience 'dependent' or clingy relationships with their preschool teachers tend to also have difficulties in their relationships with their mothers finds researchers. They went even further to find that later in elementary school, these children were prone to being anxious, withdrawn, and overly shy.

….. (Hentet 23.apr.2020 ) ….. <> Children who hold 'benevolent' sexist views are also likely to possess 'hostile' ones Children who hold seemingly positive, 'benevolent' views about women are also likely to hold negative ones, a team of psychology researchers has found. Their results also show differences between boys and girls in how these views change over time.

….. (Hentet 12.maj 2020 ) ….. <> Chimp raised like a human child shows phalangeal curve is genetic A trio of researchers from the University of New Mexico, Harvard University and the University of Southern California has found evidence that suggests the curved phalange in apes is an inherited trait, not one that comes about from climbing. In their paper published in Proceedings of the National Academy of Sciences, Ian Wallace, Loring Burgess and Biren Patel describe their study of the skeletal

….. (Hentet 9.maj 2020 ) ….. <> Chimpanzees Deserve Mother's Day Too Much like their human counterparts, chimpanzee mothers provide their offspring with far more than just food

….. (Hentet 20.apr.2020 ) ….. <> China has a chance to show global leadership Action to stimulate domestic demand would help other economies

….. (Hentet 6.maj 2020 ) ….. <> China Is One Launch Closer to Building Its Own Space Station The success of the Long March 5B rocket marked the country's latest attempt to position itself as an equal to NASA in space.

….. (Hentet 21.apr.2020 ) ….. <> Chinese iPhone factories cut workers as demand dips Some of the biggest factories supplying Apple are reducing staff and cutting overtime

….. (Hentet 26.apr.2020 ) ….. <> Chinese property tycoon lands on debtors blacklist Public shaming signals worse to come for highly indebted real estate sector

….. (Hentet 18.maj 2020 ) ….. <> Chinese to rise as a global language With the continuing rise of China as a global economic and trading power, there is no barrier to prevent Chinese from becoming a global language like English, according to new research.

….. (Hentet 21.apr.2020 ) ….. <> Chiral crystals blowing off polarized spins: Phenomena detected without magnets Scientists have discovered that a chiral crystal, which exhibits no magnetism, works as a polarizer of electron spins when the charge current is applied at room temperature in the absence of magnetic field. This phenomenon is likely to be originated from the nature that the crystal has a chiral structure. The present work makes a fundamental contribution in revealing universal properties that a wi

….. (Hentet 20.apr.2020 ) ….. <> Chocolate 'fingerprints' could confirm label claims The flavor and aroma of a fine chocolate emerge from its ecology, in addition to its processing. But can you be certain that the bar you bought is really from the exotic locale stated on the wrapper? Now, researchers are presenting a method for determining where a particular chocolate was produced by looking at its chemical 'fingerprint.' The researchers are presenting their results through the Am

….. (Hentet 20.apr.2020 ) ….. <> Cholera studies reveal mechanisms of biofilm formation and hyperinfectivity–csr041520.php Free-swimming cholera bacteria are much less infectious than bacteria in biofilms, aggregates of bacterial cells that form on surfaces. This accounts for the surprising effectiveness of filtering water through cloth, such as a folded sari, which can reduce infections dramatically in places where the disease is endemic, despite the fact that individual cholera bacteria easily pass through such a fi

….. (Hentet 6.maj 2020 ) ….. <> Cholesterol lowering drugs linked to improved gut bacteria composition in obese people Obese Europeans who are treated with cholesterol lowering drugs have not only lower values of blood LDL cholesterol and markers of inflammation but in addition a more healthy gut bacteria profile than those obese who are not prescribed statins. This is reported in a new study in Nature by the EU-funded MetaCardis consortium.

….. (Hentet 21.apr.2020 ) ….. <> Christian Health Sharing Group Is Target of Customer Lawsuits State regulators in New York and elsewhere are also trying to stop the marketing of plans they say look like health insurance but offer no guarantees of coverage.

….. (Hentet 15.maj 2020 ) ….. <> Chromium speciation in marine carbonates and implications on atmospheric oxygenation The oxidation of Earth's early atmosphere and ocean played an important role in the evolution of life. Reconstructing the paleo-redox conditions is crucial for the understanding of the coevolution of life and environment. The Cr isotopic composition in sedimentary rocks have been increasingly used as an emerging paleo-redox indicator. It is largely based on the assumption that when the atmospheric

….. (Hentet 4.maj 2020 ) ….. <> Chronic illness in childhood linked to higher rates of mental illness Children with long-term health conditions maj be more likely to experience mental illness in early adolescence than healthy children, according to new research.

….. (Hentet 5.maj 2020 ) ….. <> Chronic mild hypoxia accelerates recovery from preexisting EAE by enhancing vascular integrity and apoptosis of infiltrated monocytes [Neuroscience] While several studies have shown that hypoxic preconditioning suppresses development of the experimental autoimmune encephalomyelitis (EAE) model of multiple sclerosis (MS), no one has yet examined the important clinically relevant question of whether mild hypoxia can impact the progression of preexisting disease. Using a relapsing–remitting model of EAE, here we…

….. (Hentet 30.apr.2020 ) ….. <> Circadian clock control of eIF2{alpha} phosphorylation is necessary for rhythmic translation initiation [Genetics] The circadian clock in eukaryotes controls transcriptional and posttranscriptional events, including regulation of the levels and phosphorylation state of translation factors. However, the mechanisms underlying clock control of translation initiation, and the impact of this potential regulation on rhythmic protein synthesis, were not known. We show that inhibitory phosphorylation of…

….. (Hentet 21.apr.2020 ) ….. <> Circadian regulation of mitochondrial uncoupling and lifespan Nature Communications, Published online: 21 April 2020; doi:10.1038/s41467-020-15617-x Disruption of different components of molecular circadian clocks has varying effects on health and lifespan of model organisms. Here the authors show that loss of period extends life in drosophila melanogaster.

….. (Hentet 7.maj 2020 ) ….. <> Circumventing spatter [no content]

….. (Hentet 20.apr.2020 ) ….. <> Citigroup Inc. will stop providing financial services to thermal coal-mining companies over the next 10 years to help accelerate the economy's shift away from fossil fuels. submitted by /u/Wagamaga [link] [comments]

….. (Hentet 15.maj 2020 ) ….. <> Clarification of microbial community structures around Antarctic lakes The research group of Assistant Prof. Yuu Hirose of the Department of Applied Chemistry and Life Science at Toyohashi University of Technology, Niigata University, the Japan Agency for Marine-Earth Science and Technology (JAMSTEC), and the National Institute of Polar Research, has revealed the community structure of microorganisms living around freshwater lakes in the Langhovde and Skarvsnes ice-f

….. (Hentet 7.maj 2020 ) ….. <> Clay layers and distant pumping trigger arsenic contamination in Bangladesh groundwater Well water contaminated by arsenic in Bangladesh is considered one of the most devastating public health crises in the world. Almost a quarter of the country's population, an estimated 39 million people, drink water naturally contaminated by this deadly element, which can silently attack a person's organs over years or decades, leading to cancers, cardiovascular disease, developmental and cognitiv

….. (Hentet 21.apr.2020 ) ….. <> Climate change brings summertime heat to Florida's early spring Florida is caught between a climate change-induced sauna of extreme spring temperatures and a steam bath caused by warming oceans. The result has been record-setting heat that has turned April into summertime across the peninsula, raising the risk that early season Atlantic storms could blossom off the coast.

….. (Hentet 5.maj 2020 ) ….. <> Climate change could cause decline of some alpine butterfly species Some alpine butterflies maj be at risk because of the effect of climate change on their ecosystems, according to new research out of the University of Alberta.

….. (Hentet 6.maj 2020 ) ….. <> Climate change could reawaken Indian Ocean El Niño Global warming is approaching a tipping point that during this century could reawaken an ancient climate pattern similar to El Niño in the Indian Ocean, new research led by scientists from the University of Texas at Austin has found.

….. (Hentet 4.maj 2020 ) ….. <> Climate change has been influencing where tropical cyclones rage While the global average number of tropical cyclones each year has not budged from 86 over the last four decades, climate change has been influencing the locations of where these deadly storms occur, according to new research.

….. (Hentet 4.maj 2020 ) ….. <> Climate change increases risk of fisheries conflict A team of fisheries scientists and marine policy experts, led by a University of Rhode Island researcher, examined how climate change is affecting the ocean environment and found that the changing conditions will likely result in increased fisheries-related conflicts and create new challenges in the management of global fisheries.

….. (Hentet 24.apr.2020 ) ….. <> Climate change may push some species to higher elevations—and out of harm's way A new WCS-led study reveals that mountain-dwelling species fleeing warming temperatures by retreating to higher elevations maj find refuge from reduced human pressure.

….. (Hentet 18.maj 2020 ) ….. <> Climate change threatens progress in cancer control Climate change threatens prospects for further progress in cancer prevention and control, increasing exposure to cancer risk factors and impacting access to cancer care, according to a new commentary.

….. (Hentet 21.apr.2020 ) ….. <> Climate Change Undercuts Air Pollution Improvements More Americans are breathing unhealthy air, even though overall air pollution has decreased in recent decades. In the tug-of-war between air regulations and climate change, global warming is winning. (Image credit: Eric Risberg/AP)

….. (Hentet 18.maj 2020 ) ….. <> Climate change will bring bigger swings in European summer temperatures Summers in Europe will feature more unusually cooler days as well as hotter ones in the future due to climate change, new research has revealed.

….. (Hentet 20.maj 2020 ) ….. <> Climate change will turn coastal Antarctica green, say scientists Scientists have created the first ever large-scale map of microscopic algae as they bloomed across the surface of snow along the Antarctic Peninsula coast. Results indicate that this 'green snow' is likely to spread as global temperatures increase.

….. (Hentet 21.apr.2020 ) ….. <> Climate change: making decisions in the face of deep uncertainty Nature, Published online: 21 April 2020; doi:10.1038/d41586-020-01147-5

….. (Hentet 21.apr.2020 ) ….. <> Climate change: Switch road cash to broadband, adviser says The UK government's climate adviser urges ministers to reconsider plans for road-building.

….. (Hentet 22.apr.2020 ) ….. <> Climate change's toll on freshwater fish: A new database for science The Fish and Climate Change Database — or FiCli (pronounced "fick-lee") — is a searchable directory of peer-reviewed journal publications that describe projected or documented effects of climate change on inland fishes. Researchers, fisheries managers, conservationists, journalists and others can use FiCli to find scientific articles.

….. (Hentet 21.apr.2020 ) ….. <> Climate: why set emissions timeline for 2100? Nature, Published online: 21 April 2020; doi:10.1038/d41586-020-01148-4

….. (Hentet 30.apr.2020 ) ….. <> Climate-smart agricultural practices increase maize yield in Malawi Climate change creates extreme weather patterns that are especially challenging for people in developing countries and can severely impact agricultural yield and food security. International aid organizations have invested billions of dollars in promoting climate-smart agriculture (CSA) practices, but the effects of those programs are rarely documented. A new University of Illinois study helps pro

….. (Hentet 14.maj 2020 ) ….. <> Climbing a space mountain [no content]

….. (Hentet 21.apr.2020 ) ….. <> Close-Up Views of Tumors Reveal a New Cancer Biology RNA sequencing has shown a previously unknown dimension to the way malignant cells work—which could lead to novel treatments

….. (Hentet 5.maj 2020 ) ….. <> Closing the gap between mind and brain with the dynamic connectome [Neuroscience] At the pinnacle of the 17th century scientific revolution, René Descartes, the father of modern philosophy, published his monumental Meditations on First Philosophy (1), in which he proposed a division between soul and body—mind and brain—with the former in charge of our thoughts and conscious decisions (res cogitans) and the…

….. (Hentet 1.maj 2020 ) ….. <> CO2 emissions from dry inland waters globally underestimated Inland waters play an important role in the global carbon cycle. Calculations that scale up the carbon dioxide emissions from land and water surface areas do not take account of inland waters that dry out intermittently. This means that the actual emissions from inland waters have been significantly underestimated — as shown by the results of a recent international research project.

….. (Hentet 20.apr.2020 ) ….. <> Cochrane Review confirms effectiveness of MMR vaccines New evidence published in the Cochrane Library today finds MMR, MMRV and MMR+V vaccines are effective and that they are not associated with increased risk of autism.

….. (Hentet 21.apr.2020 ) ….. <> Coders Who Survived Human Trafficking Rewrite Their Identities At a Bay Area nonprofit, former abuse victims learn to code and level up their futures. A photographer and an artist weave together their stories.

….. (Hentet 21.apr.2020 ) ….. <> Coffee changes our sense of taste Sweet food is even sweeter when you drink coffee. This is shown by the result of research from Aarhus University. The results have just been published in the scientific journal Foods.

….. (Hentet 14.maj 2020 ) ….. <> Coffee linked to lower body fat in women Women who drink two or three cups of coffee a day have been found to have lower total body and abdominal fat than those who drink less, according to a new study.

….. (Hentet 30.apr.2020 ) ….. <> Coffee plants have a small but consistent core microbiome of fungi and bacteria These scientists explored the tissues of coffee roots to look for signs of a 'core microbiome,' or for signs of microbes, such as bacteria and fungi, that form partnerships with the coffee plant.

….. (Hentet 5.maj 2020 ) ….. <> Cognition and gait speed often decline together, study shows Measures of cognition and gait speed largely paralleled each other in a San Antonio study of 370 participants that included 9½ years of follow-up. One-fifth of participants were classified into a cognitive and physical vulnerability group. Mexican American participants were almost four times more likely than European Americans to be in the cognitive and physical vulnerability group.

….. (Hentet 22.maj 2020 ) ….. <> Cognitive behavioral therapy reduces the impact of dissociative seizures Scientists have found that adding cognitive behavioral therapy (CBT) to standardized medical care gives patients with dissociative seizures longer periods of seizure freedom, less bothersome seizures and a greater quality of life.

….. (Hentet 21.apr.2020 ) ….. <> Coherent modulation of the electron temperature and electron-phonon couplings in a 2D material [Physics] Ultrashort light pulses can selectively excite charges, spins, and phonons in materials, providing a powerful approach for manipulating their properties. Here we use femtosecond laser pulses to coherently manipulate the electron and phonon distributions, and their couplings, in the charge-density wave (CDW) material 1T-TaSe2. After exciting the material with a…

….. (Hentet 13.maj 2020 ) ….. <> Cold War nuke tests changed rainfall: study Nuclear bomb tests during the Cold War maj have changed rainfall patterns thousands of miles from the detonation sites, new research has revealed.

….. (Hentet 21.apr.2020 ) ….. <> Collagen-producing lung cell atlas identifies multiple subsets with distinct localization and relevance to fibrosis Nature Communications, Published online: 21 April 2020; doi:10.1038/s41467-020-15647-5 Collagen production by lung cells is critical to maintain organ architecture but can also drive pathological scarring. Here the authors perform single cell RNA sequencing of collagen-producing lung cells identifying a subset of pathologic fibroblasts characterized by Cthrc1 expression which are concentrated wit

….. (Hentet 5.maj 2020 ) ….. <> Collars risk causing neck injuries in dogs, study shows A study led by a canine scientist at Nottingham Trent University looked at the potential impact of pulling on the lead and the related pressure on the neck, using a variety of of collar-types and styles.

….. (Hentet 7.maj 2020 ) ….. <> Collecting a sample of asteroid Ryugu [no content]

….. (Hentet 27.apr.2020 ) ….. <> Collective decision-making by rational agents with differing preferences [Applied Mathematics] Collective decisions can emerge from individual-level interactions between members of a group. These interactions are often seen as social feedback rules, whereby individuals copy the decisions they observe others making, creating a coherent group decision. The benefit of these behavioral rules to the individual agent can be understood as a…

….. (Hentet 13.maj 2020 ) ….. <> Color of cells a 'thermometer' for molecular imbalance, study finds Non-invasive color analysis of cells could one day be used in diagnostics, a proof-of-concept study has shown.

….. (Hentet 19.maj 2020 ) ….. <> Combined production of fish and vegetables can be profitable When it comes to future food production, the combined farming of fish and vegetables through aquaponics is currently a hotly debated topic. But how realistic is the idea? Researchers have just published an extensive profitability analysis of a facility that already produces fish and vegetables on a large scale. The result: aquaponics maj have both environmental and cost benefits — if produced acc

….. (Hentet 21.apr.2020 ) ….. <> Combined proinflammatory cytokine and cognate activation of invariant natural killer T cells enhances anti-DNA antibody responses [Immunology and Inflammation] Invariant natural killer T (iNKT) cells serve as early rapid responders in the innate immune response to self-derived autoantigens and pathogen-derived danger signals and antigens. iNKT cells can serve both as helpers for effector B cells and negatively regulate autoreactive B cells. Specifically, iNKT cells drive B cell proliferation, class…

….. (Hentet 19.maj 2020 ) ….. <> Comedy club performances provide insights on how robots, humans connect via humor A robot comic is more funny when it has good timing.

….. (Hentet 15.maj 2020 ) ….. <> Commercial airliners monitoring CO2 emissions from cities worldwide Monitoring greenhouse gas emissions from cities is important in order to support climate mitigation activities in response to the Paris Agreement. An international research team examined carbon dioxide (CO2) data collected over 34 global cities by Japan's commercial airliners. Their study revealed a relationship between urban atmospheric CO2 signals and emissions from cities for the first time. Th

….. (Hentet 23.apr.2020 ) ….. <> Common soil fungus could be ally in organic corn growers' fight against pests A common soil fungus might be enlisted as a powerful partner by corn producers to suppress pests and promote plant growth, according to Penn State researchers, who suggest promoting the fungus could be an especially valuable strategy for organic growers who struggle with insect control.

….. (Hentet 29.apr.2020 ) ….. <> Common ways to cook chicken at home may not ensure safety from pathogens For home cooks, widespread techniques for judging doneness of chicken maj not ensure that pathogens are reduced to safe levels. Solveig Langsrud of the Norwegian Institute of Food, Fisheries and Aquaculture Research and colleagues present these findings in the open-access journal PLOS ONE on April 29, 2020.

….. (Hentet 7.maj 2020 ) ….. <> Complex chiral particles [no content]

….. (Hentet 6.maj 2020 ) ….. <> Comprehensive review: Impact of variable retention forestry and restoration methods Finnish, Swedish and Russian researchers highlight the ecological effects of forestry in Fennoscandia in five review articles published in the journal Ecological Processes. The summarized research suggests that the amount of dead trees in commercial forests is not sufficient for the species requiring decaying wood. To improve the situation, the researchers propose retaining considerably more dead

….. (Hentet 21.apr.2020 ) ….. <> Comprehensive tumour immunity map opens up immunotherapy to more patients Scientists have developed a new way to map the molecules on tumour cells that flag their presence to the immune system, according to a study published today in eLife.

….. (Hentet 21.apr.2020 ) ….. <> Computational design of probes to detect bacterial genomes by multivalent binding [Biophysics and Computational Biology] Rapid methods for diagnosis of bacterial infections are urgently needed to reduce inappropriate use of antibiotics, which contributes to antimicrobial resistance. In many rapid diagnostic methods, DNA oligonucleotide probes, attached to a surface, bind to specific nucleotide sequences in the DNA of a target pathogen. Typically, each probe binds to…

….. (Hentet 29.apr.2020 ) ….. <> Computational techniques explore 'the dark side of amyloid aggregation in the brain' As physicians and families know too well, though Alzheimer's disease has been intensely studied for decades, too much is still not known about molecular processes in the brain that cause it. Now researchers say new insights from analytic theory and molecular simulation techniques offer a better understanding of amyloid fibril growth and brain pathology.

….. (Hentet 13.maj 2020 ) ….. <> Computer model identifies drug-resistant mutations To counter drug resistance, scientists engineer new drugs to "fit" new mutations and thus kill the cancer cell or pathogen. Now, an NIBIB-funded team of Penn State engineers has a new approach for predicting which mutation has expanded the most in a population and should be targeted to design the most effective new drug.

….. (Hentet 8.maj 2020 ) ….. <> Computer modeling reveals behavior of individual lipid molecules Lipids are essential building blocks of cell membranes, which control the exchange of substances and energy between a cell and its environment. Developed at the Moscow Institute of Physics and Technology, a new open-source software tool PCAlipids aims to analyze lipid behavior.

….. (Hentet 22.maj 2020 ) ….. <> Computer models add sizzle to cultivated meat alternatives Experts predict that producing meat in a lab using tissue engineering techniques—or lab-cultured meat—will one day be a much more sustainable, nutritionally equivalent and without the ethical concerns of typical meat production. However, producing meat economically in a lab remains a problem.

….. (Hentet 21.apr.2020 ) ….. <> Computer scientists create a 'laboratory' to improve streaming video The quality of internet TV depends on algorithms that minimize glitches and stalls. Scientists recruited volunteer who helped improve them simply by watching.

….. (Hentet 8.maj 2020 ) ….. <> Computer vision helps scientists study lithium ion batteries New machine learning methods bring insights into how lithium ion batteries degrade, and show it's more complicated than many thought.

….. (Hentet 20.apr.2020 ) ….. <> Confirmed: 2I/Borisov is not your average comet Two new views on our interstellar visitor.

….. (Hentet 27.apr.2020 ) ….. <> Conjunctive representations that integrate stimuli, responses, and rules are critical for action selection [Psychological and Cognitive Sciences] People can use abstract rules to flexibly configure and select actions for specific situations, yet how exactly rules shape actions toward specific sensory and/or motor requirements remains unclear. Both research from animal models and human-level theories of action control point to the role of highly integrated, conjunctive representations, sometimes referred…

….. (Hentet 29.apr.2020 ) ….. <> Conservation goals may be stymied by a lack of land for biodiversity offsetting Developers maj struggle to find enough land to offset the biodiversity impacts of future development, according to a University of Queensland study. UQ's Dr. Laura Sonter said the challenges were evident worldwide and could significantly limit the ability to achieve global conservation goals.

….. (Hentet 6.maj 2020 ) ….. <> Considering how many firms can meet pollutant standards can spur green tech development When a government agency considers tightening a standard on a pollutant, it often considers the proportion of firms that can meet the new standard, because a higher proportion suggests a more feasible standard. A new study developed a model of regulation in which the probability of a stricter standard being enacted increased with the proportion of firms in an industry that could meet the standard.

….. (Hentet 5.maj 2020 ) ….. <> Considering social influences across the customer journey Researchers from Emory University, University of Maryland, Vanderbilt University, and Hong Kong University of Science and Technology published a new paper in the Journal of Marketing that re-examines the classic customer journey model from a social perspective by emphasizing the social influences expected at each stage of the journey and across the journey stages..

….. (Hentet 20.maj 2020 ) ….. <> Construction of hollow nanoreactors for enhanced photo-oxidations Oxidation of primary alcohols to carboxylic acids is of importance in both organic chemistry and the chemical industry because the oxidation products can be used to prepare various pharmaceuticals and useful chemicals. The photocatalytic oxidation process has been considered as a sustainable technology to achieve the selective oxidation under ambient conditions with irradiation from solar light. T

….. (Hentet 20.apr.2020 ) ….. <> Contact-tracing apps raise surveillance fears Mobile phone data could be vital tool for reopening economies

….. (Hentet 14.maj 2020 ) ….. <> Containment works [no content]

….. (Hentet 21.apr.2020 ) ….. <> Conte prepares for toxic choice on eurozone rescue fund Pressured by the right, Italy's PM has prevaricated over triggering eurozone rescue fund

….. (Hentet 21.apr.2020 ) ….. <> Continued CO2 emissions will impair cognition New research finds that an anticipated rise in carbon dioxide concentrations in our indoor living and working spaces by the year 2100 could lead to impaired human cognition.

….. (Hentet 15.maj 2020 ) ….. <> Controlling cells with light Photopharmacology investigates the use of light to switch the effect of drugs on and off. Now, for the first time, scientific teams from Jena, Munich, and New York have succeeded in using this method to control a component of cells that was previously considered inaccessible.

….. (Hentet 30.apr.2020 ) ….. <> Controlling photoionization using attosecond time-slit interferences [Physics] When small quantum systems, atoms or molecules, absorb a high-energy photon, electrons are emitted with a well-defined energy and a highly symmetric angular distribution, ruled by energy quantization and parity conservation. These rules are based on approximations and symmetries which maj break down when atoms are exposed to ultrashort and…

….. (Hentet 8.maj 2020 ) ….. <> Controlling quantumness: Simulations reveal details about how particles interact In everyday life, matter behaves in a predictable, expected way. If you throw a ball, you assume it will travel in a certain direction and have a predictable recoil. What's more, forces exerted on one object would not have an impact on another, independent object.

….. (Hentet 21.apr.2020 ) ….. <> Convergent evolution of olfactory and thermoregulatory capacities in small amphibious mammals [Evolution] Olfaction and thermoregulation are key functions for mammals. The former is critical to feeding, mating, and predator avoidance behaviors, while the latter is essential for homeothermy. Aquatic and amphibious mammals face olfactory and thermoregulatory challenges not generally encountered by terrestrial species. In mammals, the nasal cavity houses a bony system…

….. (Hentet 21.apr.2020 ) ….. <> Cool down fast to advance quantum nanotechnology Rapidly cooling magnon particles proves a surprisingly effective way to create an elusive quantum state of matter, called a Bose-Einstein condensate. The discovery can help advance quantum physics research and is a step towards the long-term goal of quantum computing at room temperature.

….. (Hentet 19.maj 2020 ) ….. <> Cooperation can be contagious particularly when people see the benefit for others Seeing someone do something good for someone else motivates witnesses to perform their own helpful acts, an insight that could help drive cooperative behavior in communities navigating through the health crisis.

….. (Hentet 13.maj 2020 ) ….. <> Coordination polymer glass provides solid support for hydrogen fuel cells Scientists are synthesizing stronger and more efficient materials for hydrogen fuel cell membranes. Most fuel cells currently on the market employ liquid membranes. A new coordination polymer glass membrane works just as well as its liquid counterparts with added strength and flexibility.

….. (Hentet 11.maj 2020 ) ….. <> Copper ion unlocks magnesium's potential in next-generation battery Researchers at the Qingdao Institute of Bioenergy and Bioprocess Technology (QIBEBT) of the Chinese Academy of Sciences (CAS) have come a step closer to making a viable, high-output battery based on magnesium (Mg), an element the United States Geological Survey reports is far more abundant than lithium.

….. (Hentet 21.maj 2020 ) ….. <> Correcting blindness [no content]

….. (Hentet 20.apr.2020 ) ….. <> Correction for AbuHammad et al., Regulation of PRMT5-MDM4 axis is critical in the response to CDK4/6 inhibitors in melanoma [Corrections] MEDICAL SCIENCES Correction for "Regulation of PRMT5–MDM4 axis is critical in the response to CDK4/6 inhibitors in melanoma," by Shatha AbuHammad, Carleen Cullinane, Claire Martin, Zoe Bacolas, Teresa Ward, Huiqin Chen, Alison Slater, Kerry Ardley, Laura Kirby, Keefe T. Chan, Natalie Brajanovski, Lorey K. Smith, Aparna D. Rao, Emily J….

….. (Hentet 4.maj 2020 ) ….. <> Correction for Cohen and Nissim., Towards formalizing the GDPR's notion of singling out [Corrections] COMPUTER SCIENCES Correction for "Towards formalizing the GDPR's notion of singling out," by Aloni Cohen and Kobbi Nissim, which was first published March 31, 2020; 10.1073/pnas.1914598117 (Proc. Natl. Acad. Sci. U.S.A. 117, 8344–8352). The authors note that, due to a printer's error, the affiliations for Aloni Cohen and Kobbi Nissim…

….. (Hentet 21.apr.2020 ) ….. <> Correction for Johnson et al., Officer characteristics and racial disparities in fatal officer-involved shootings [Corrections] PSYCHOLOGICAL AND COGNITIVE SCIENCES Correction for "Officer characteristics and racial disparities in fatal officer-involved shootings," by David J. Johnson, Trevor Tress, Nicole Burkel, Carley Taylor, and Joseph Cesario, which was first published July 22, 2019; 10.1073/pnas.1903856116 (Proc. Natl. Acad. Sci. U.S.A. 116, 15877–15882). The authors wish to note the following:…

….. (Hentet 15.maj 2020 ) ….. <> Correction for the Research Article: "High-flux soft x-ray harmonic generation from ionization-shaped few-cycle laser pulses" by A. S. Johnson, D. R. Austin, D. A. Wood, C. Brahms, A. Gregory, K. B. Holzner, S. Jarosch, E. W. Larsen, S. Parker, C. S. Strüber, P. Ye, J. W. G. Tisch and J. P. Marangos [no content]

….. (Hentet 20.apr.2020 ) ….. <> Correction for Uyhazi et al., Pumilio proteins utilize distinct regulatory mechanisms to achieve complementary functions required for pluripotency and embryogenesis [Corrections] DEVELOPMENTAL BIOLOGY Correction for "Pumilio proteins utilize distinct regulatory mechanisms to achieve complementary functions required for pluripotency and embryogenesis," by Katherine E. Uyhazi, Yiying Yang, Na Liu, Hongying Qi, Xiao A. Huang, Winifred Mak, Scott D. Weatherbee, Nicola de Prisco, Vincenzo A. Gennarino, Xiaoling Song, and Haifan Lin, which was…

….. (Hentet 20.apr.2020 ) ….. <> Correction for Xu et al., Structure of the cell-binding component of the Clostridium difficile binary toxin reveals a di-heptamer macromolecular assembly [Corrections] BIOPHYSICS AND COMPUTATIONAL BIOLOGY Correction for "Structure of the cell-binding component of the Clostridium difficile binary toxin reveals a di-heptamer macromolecular assembly," by Xingjian Xu, Raquel Godoy-Ruiz, Kaylin A. Adipietro, Christopher Peralta, Danya Ben-Hail, Kristen M. Varney, Mary E. Cook, Braden M. Roth, Paul T. Wilder, Thomas Cleveland, Alexander Grishaev,…

….. (Hentet 5.maj 2020 ) ….. <> Could dark matter be hiding in existing data? A new study suggests new paths for catching the signals of dark matter particles that have their energy absorbed by atomic nuclei.

….. (Hentet 21.apr.2020 ) ….. <> Country diary: frustrated toads could do with a helping hand Buxton, Derbyshire : A two-metre wall is the most obvious obstacle to mating. But at least we can do something about that Much as I love toad breeding season for the way it brings thousands to Lightwood's ponds, it's actually a dangerous time for them. For seven evenings a friend's daily exercise involved patrolling a stretch of river with a bucket to retrieve trapped toads. This year we estimate

….. (Hentet 27.apr.2020 ) ….. <> Coupled magnetic materials show interesting properties for quantum applications Researchers have uncovered a novel way in which the excitations of magnetic spins in two different thin films can be strongly coupled to each other through their common interface.

….. (Hentet 22.maj 2020 ) ….. <> Cows Slaughtered to Prevent Lung Disease Originally published in April 1860

….. (Hentet 27.apr.2020 ) ….. <> Crabeater seal data used to predict changes in Antarctic krill distribution–csd042120.php The western Antarctic Peninsula is experiencing rapid environmental change, with warming temperatures and decreasing sea ice. How these changes will affect Antarctic krill is a crucial question, because this abundant crustacean is an important food source for a wide range of animals, from penguins to whales. Researchers have now used data from tracking studies of crabeater seals to infer the distr

….. (Hentet 30.apr.2020 ) ….. <> Cracking the Lyme disease code The next time a tick feeds on you, Washington State University researchers hope to make sure persistent arthritis caused by Lyme disease doesn't linger for a lifetime.

….. (Hentet 30.apr.2020 ) ….. <> Creating buzz with potential end-users helps entrepreneurs with crowdfunding campaigns Entrepreneurs launching a crowdfunding campaign to fund new product development benefit by reaching out early to engage with potential end-users, say business researchers from three universities.

….. (Hentet 21.apr.2020 ) ….. <> CRISPR helps find new class of leukemia genes Using CRISPR technology, scientists have discovered several new leukemia genes not previously known to have involvement in blood cancers, according to a new study. The researchers then used the powerful new data to paint a clearer map for how aggressive leukemia arises and grows. The paper in Nature Cancer points to several significant discoveries: It unveils a new gene, Staufen 2 (Stau2), that r

….. (Hentet 21.apr.2020 ) ….. <> CRISPR helps identify potential Alzheimer's-related protein Experts have identified a new protein in the pathway that leads to Alzheimer's disease. Researchers used the 'molecular scissors' of CRISPR/Cas9 to search for new genes related to the neurodegenerative disease. Researchers tested a total of 19,150 individual genes for their effect on amyloid beta levels and ruled out all but one: calcium and integrin-binding protein 1 (CIB1).

….. (Hentet 13.maj 2020 ) ….. <> CRISPR plants: new non-GMO method to edit plants An NC State researcher has developed a new way to get CRISPR/Cas9 into plant cells without inserting foreign DNA. This allows for precise genetic deletions or replacements, without inserting foreign DNA. Therefore, the end product is not a genetically modified organism, or GMO.

….. (Hentet 29.apr.2020 ) ….. <> Crops sown in a uniform spatial pattern produce higher yields and reduce environmental impact Higher yields and fewer weeds are possible if farmers sow wheat, maize, soy and other crops in more uniform spatial patterns, according to University of Copenhagen researchers. More precise sowing can also help reduce herbicide use and fertilizer runoff.

….. (Hentet 21.apr.2020 ) ….. <> CtIP promotes the motor activity of DNA2 to accelerate long-range DNA end resection [Biochemistry] To repair a DNA double-strand break by homologous recombination, 5′-terminated DNA strands must first be resected to reveal 3′-overhangs. This process is initiated by a short-range resection catalyzed by MRE11-RAD50-NBS1 (MRN) stimulated by CtIP, which is followed by a long-range step involving EXO1 or DNA2 nuclease. DNA2 is a bifunctional…

….. (Hentet 6.maj 2020 ) ….. <> Culling and carcass removal key to containing African swine fever, model shows While countries like Denmark are building walls to prevent the spread of African swine fever, a new mathematical model has identified two effective tactics.

….. (Hentet 30.apr.2020 ) ….. <> Cultured macrophages transfer surplus cholesterol into adjacent cells in the absence of serum or high-density lipoproteins [Medical Sciences] Cholesterol-laden macrophage foam cells are a hallmark of atherosclerosis. For that reason, cholesterol metabolism in macrophages has attracted considerable scrutiny, particularly the mechanisms by which macrophages unload surplus cholesterol (a process referred to as "cholesterol efflux"). Many studies of cholesterol efflux in macrophages have focused on the role of ABC…

….. (Hentet 21.apr.2020 ) ….. <> Danmark tager mere præcis antistoftest i brug PLUS. Danmark begynder snart at bruge ELISA test til at måle antistoffer. Testen er mere omstændig end den nuværende point-of-care test, men også mere præcis.

….. (Hentet 22.maj 2020 ) ….. <> Dansk forsker i spidsen for globale guidelines for diabetisk nyresygdom Hidtil har læger manglet internationale retningslinjer for diagnostik og behandling af diabetisk nyresygdom, men nu har dansk forsker været med til at udstikke dem. De kommer til august.

….. (Hentet 14.maj 2020 ) ….. <> Dark-shaded body surface the key to animals avoiding predators Animals that have a darker pigmented surface on the upper side of their body compared to those that have the same shade all over can reduce the impact of their body shadows and remain hidden from predators, according to a new study by researchers at The University of Western Australia.

….. (Hentet 4.maj 2020 ) ….. <> Darwin's naturalization conundrum can be explained by spatial scale [Ecology] Darwin proposed two seemingly contradictory hypotheses regarding factors influencing the outcome of biological invasions. He initially posited that nonnative species closely related to native species would be more likely to successfully establish, because they might share adaptations to the local environment (preadaptation hypothesis). However, based on observations that the majority…

….. (Hentet 21.apr.2020 ) ….. <> Data fra mobiler bekræfter: Danskerne holder sig ikke længere hjemme PLUS. Vi bevæger os mere rundt end vi gjorde for blot få uger siden, viser data fra Apple. Både bilister og fodgængere er kommet i gang.

….. (Hentet 21.apr.2020 ) ….. <> Deaths in England and Wales 75% higher than usual in early April Figures highlight crisis in care homes with weekly numbers in the sector doubling in a month

….. (Hentet 20.maj 2020 ) ….. <> Deciphering the fine neuroendocrine regulatory system during development Researchers from the University of Tsukuba discovered that Crz is a key molecule for body size adjustment during the larval stage. Using Drosophila melanogaster, they demonstrated that Crz controls basal ecdysteroid biosynthesis by acting on PTTH-producing neurons during only a specific larval stage to facilitate larval transition to the next stage. These findings help understand how growth and ma

….. (Hentet 7.maj 2020 ) ….. <> Deciphering the hidden interactions within biological networks of varying sizes Researchers from the University of Tsukuba discovered that fish schools showed a significant change in behavior with varying school sizes. Using integrated information theory, they showed that a significant change in the interaction between the fish and the overall collective behavior occurred between three- and four-fish schools, including the emergence of leadership within the group. These findi

….. (Hentet 5.maj 2020 ) ….. <> Decoding the skies: The impact of water vapor on afternoon rainfall On days when wind blows in little atmospheric moisture, afternoon rainfall is more likely to occur over wetter soils or higher relative humidity. On days when wind introduces lots of atmospheric moisture, afternoon rainfall is more likely over drier soils or lower relative humidity. The team also found that for both conditions, afternoon rainfall occurrence is more likely with warmer morning soil

….. (Hentet 21.apr.2020 ) ….. <> Deep learning takes on tumours Nature, Published online: 21 April 2020; doi:10.1038/d41586-020-01128-8 Artificial-intelligence methods are moving into cancer research.

….. (Hentet 11.maj 2020 ) ….. <> Defective graphene has high electrocatalytic activity Scientists from the Moscow Institute of Physics and Technology, Skoltech, and the Russian Academy of Sciences Joint Institute for High Temperatures have conducted a theoretical study of the effects of defects in graphene on electron transfer at the graphene-solution interface. Their calculations show that defects can increase the charge transfer rate by an order of magnitude. Moreover, by varying

….. (Hentet 1.maj 2020 ) ….. <> Defects in the 'Swiss-army knife' of gene expression may contribute to neuronal diseases like Alzheimer's When the master regulator of protein production malfunctions, it maj contribute to the development of neuronal diseases such as Alzheimer's and Huntington's.

….. (Hentet 30.apr.2020 ) ….. <> Defining geographic regions with commuter data A new mathematical approach uses data on people's commutes between and within US counties to identify important geographic regions. Mark He of the University of North Carolina at Chapel Hill and colleagues present this work in the open-access journal PLOS ONE on April 29, 2020.

….. (Hentet 22.apr.2020 ) ….. <> Deforestation in the Amazon threatens short-eared dog A large international team of researchers has found evidence that suggests deforestation in the Amazon is putting the native short-eared dog at risk. In their paper published in the journal Royal Society Open Science, the group describes their study of the dogs and what they learned about them.

….. (Hentet 29.apr.2020 ) ….. <> Deformed skulls in an ancient cemetery reveal a multicultural community in transition The ancient cemetery of Mözs-Icsei dűlő in present-day Hungary holds clues to a unique community formation during the beginnings of Europe's Migration Period, according to a study published April 29, 2020 in the open-access journal PLOS ONE by Corina Knipper from the Curt-Engelhorn-Center for Archaeometry, Germany, István Koncz, Tivadar Vida from the Eötvös Loránd University, Budapest, Hungary and

….. (Hentet 5.maj 2020 ) ….. <> Demographic expansion of several Amazonian archaeological cultures by computer simulation–deo050520.php Expansions by groups of humans were common during prehistoric times, after the adoption of agriculture. Among other factors, this is due to population growth of farmers which was greater than of that hunter-gatherers. We can find one example of this during the Neolithic period, when farming was introduced to Europe by migrations from the Middle East.

….. (Hentet 8.maj 2020 ) ….. <> Dendrimers finally have what it takes to break into the laser scene Advances in optical devices are supported by the development of new materials. Microcrystallites of luminescent organic compounds can act as tiny laser sources for such devices, for example, in displays and other components. Dendrimers offer numerous advantages as luminescent materials, but so far, they have not been used as microcrystallites owing to their fragility and poor crystallinity. Now, a

….. (Hentet 21.apr.2020 ) ….. <> Depth-dependent soil mixing persists across climate zones [Earth, Atmospheric, and Planetary Sciences] Soil mixing over long (>102 y) timescales enhances nutrient fluxes that support soil ecology, contributes to dispersion of sediment and contaminated material, and modulates fluxes of carbon through Earth's largest terrestrial carbon reservoir. Despite its foundational importance, we lack robust understanding of the rates and patterns of soil mixing, largely…

….. (Hentet 21.apr.2020 ) ….. <> Derived alleles of two axis proteins affect meiotic traits in autotetraploid Arabidopsis arenosa [Evolution] Polyploidy, which results from whole genome duplication (WGD), has shaped the long-term evolution of eukaryotic genomes in all kingdoms. Polyploidy is also implicated in adaptation, domestication, and speciation. Yet when WGD newly occurs, the resulting neopolyploids face numerous challenges. A particularly pernicious problem is the segregation of multiple chromosome copies…

….. (Hentet 13.maj 2020 ) ….. <> Desert mystery: Why have pronghorn antelope returned to Death Valley? More than a century after railroads, ranchers and hunters vanquished their ancestors, pronghorn antelope are returning to this unforgiving expanse of desert along the California-Nevada border.

….. (Hentet 13.maj 2020 ) ….. <> Designing flexible and stretchable single crystal electronic systems Researchers at the University of Illinois at Urbana-Champaign in collaboration with a Purdue team have discovered that certain crystals are more flexible and stretchable compared to current materials used for electronic applications. These new materials could therefore be used for making sensors and in robotics.

….. (Hentet 14.maj 2020 ) ….. <> Designing vaccines from artificial proteins Scientists have developed a new computational approach to create artificial proteins, which showed promising results in vivo as functional vaccines. This approach opens the possibility to engineer safer and more effective vaccines.

….. (Hentet 5.maj 2020 ) ….. <> Despite millennial stereotypes, burnout just as bad for Gen X doctors in training Despite the seemingly pervasive opinion that millennial physicians are more prone to burnout and a lack of empathy compared to older generations, a new study of 588 millennial and Generation X residents found that no such generational gap exists.

….. (Hentet 4.maj 2020 ) ….. <> Detected climatic change in global distribution of tropical cyclones [Earth, Atmospheric, and Planetary Sciences] Owing to the limited length of observed tropical cyclone data and the effects of multidecadal internal variability, it has been a challenge to detect trends in tropical cyclone activity on a global scale. However, there is a distinct spatial pattern of the trends in tropical cyclone frequency of occurrence on…

….. (Hentet 19.maj 2020 ) ….. <> Determining the quantity and location of lipids in the brain The Sweedler Research Group at the University of Illinois at Urbana-Champaign has developed a new technique to measure the amount and distribution of lipids in rat brain samples. The technique can have potential applications in determining how the lipids change as a result of exposure to drugs of abuse.

….. (Hentet 23.apr.2020 ) ….. <> Devastating Simulations Say Sea Ice Will Be Completely Gone in Arctic Summers by 2050 This should be a wake-up call.

….. (Hentet 22.apr.2020 ) ….. <> Developing Biologics to Change the Treatment Landscape Download this bulletin to learn how drugs manufactured by living organisms offer hard-to-treat patients real treatment benefits!

….. (Hentet 21.apr.2020 ) ….. <> Developing human corneal tissue Researchers from Osaka University developed a novel method to produce corneal sheets from human induced pluripotent stem cells. By separating corneal epithelial cells from other eye cells using magnetic-activated cell sorting and subsequent culture on specific laminin proteins, the researchers were able to create high-purity corneal cell sheets. These findings could help produce human corneal cell

….. (Hentet 5.maj 2020 ) ….. <> Development of a therapeutic anti-HtrA1 antibody and the identification of DKK3 as a pharmacodynamic biomarker in geographic atrophy [Medical Sciences] Genetic polymorphisms in the region of the trimeric serine hydrolase high-temperature requirement 1 (HTRA1) are associated with increased risk of age-related macular degeneration (AMD) and disease progression, but the precise biological function of HtrA1 in the eye and its contribution to disease etiologies remain undefined. In this study, we have…

….. (Hentet 21.maj 2020 ) ….. <> Development of heat-tolerant annual ryegrass germplasm Throughout the southeastern U.S., forage production is a critical pillar of agriculture and livestock production, particularly for the cattle industry. Annual ryegrass serves as the primary forage for many late winter and early spring production systems, but grazing time is often limited due to late fall planting to avoid high soil temperatures that cause secondary seed dormancy.

….. (Hentet 23.apr.2020 ) ….. <> Diabetes reversed in mice with genetically edited stem cells derived from patients Researchers have used induced pluripotent stem cells produced from the skin of a patient with a rare, genetic form of insulin-dependent diabetes, transformed the stem cells into insulin-producing cells, used the CRISPR gene-editing tool to correct a defect that caused the diabetes, and implanted the cells into mice to reverse diabetes in the animals.

….. (Hentet 27.apr.2020 ) ….. <> Diachronous development of Great Unconformities before Neoproterozoic Snowball Earth [Earth, Atmospheric, and Planetary Sciences] The Great Unconformity marks a major gap in the continental geological record, separating Precambrian basement from Phanerozoic sedimentary rocks. However, the timing, magnitude, spatial heterogeneity, and causes of the erosional event(s) and/or depositional hiatus that lead to its development are unknown. We present field relationships from the 1.07-Ga Pikes Peak…

….. (Hentet 26.apr.2020 ) ….. <> Diamonds may shine in energy storage Australian researchers propose a new approach.

….. (Hentet 21.apr.2020 ) ….. <> Diamonds shine in energy storage solution Researchers have proposed the design of a new carbon nanostructure made from diamond nanothreads that could one day be used for mechanical energy storage, wearable technologies, and biomedical applications.

….. (Hentet 23.maj 2020 ) ….. <> Diana Davis's Beautiful Pentagons This mathematician turns her research into fashion and toys

….. (Hentet 6.maj 2020 ) ….. <> Did Galileo Truly Say, 'And Yet It Moves'? A Modern Detective Story An astrophysicist traces genealogy and art history to discover the origin of the famous motto

….. (Hentet 15.maj 2020 ) ….. <> Differences in frugivores affect consumption of fruits and seed dispersal in tropical forests Frugivory and seed dispersal are key processes that shape both plant and animal communities, and are important in the maintenance and regeneration of forest ecosystems threatened by environmental changes.

….. (Hentet 20.apr.2020 ) ….. <> Different minerals cause heart disease in men, women Different minerals cause aortic heart valve blockage in men and women, according to a new study. The findings could change how doctors diagnose and treat heart disease. Researchers used the Canadian Light Source (CLS) at the University of Saskatchewan to analyze damaged heart valves from patients who had undergone transplants. The findings in Acta Biomaterialia show considerable differences in th

….. (Hentet 30.apr.2020 ) ….. <> Different trigger points for seeking healthcare may explain gender divide Men might not be more reluctant to see a doctor than women are, as is popularly believed, but maj simply have different trigger points for seeking healthcare.

….. (Hentet 20.apr.2020 ) ….. <> Differential timing of a conserved transcriptional network underlies divergent cortical projection routes across mammalian brain evolution [Neuroscience] A unique combination of transcription factor expression and projection neuron identity demarcates each layer of the cerebral cortex. During mouse and human cortical development, the transcription factor CTIP2 specifies neurons that project subcerebrally, while SATB2 specifies neuronal projections via the corpus callosum, a large axon tract connecting the two neocortical…

….. (Hentet 23.apr.2020 ) ….. <> Digital agriculture paves the road to agricultural sustainability Researchers outline how to develop a more sustainable land management system through data collection and stakeholder buy-in.

….. (Hentet 22.apr.2020 ) ….. <> Direct kinetic measurements and theoretical predictions of an isoprene-derived Criegee intermediate [Chemistry] Isoprene has the highest emission into Earth's atmosphere of any nonmethane hydrocarbon. Atmospheric processing of alkenes, including isoprene, via ozonolysis leads to the formation of zwitterionic reactive intermediates, known as Criegee intermediates (CIs). Direct studies have revealed that reactions involving simple CIs can significantly impact the tropospheric oxidizing capacity, enhance…

….. (Hentet 5.maj 2020 ) ….. <> Direct observation of helicase-topoisomerase coupling within reverse gyrase [Biophysics and Computational Biology] Reverse gyrases (RGs) are the only topoisomerases capable of generating positive supercoils in DNA. Members of the type IA family, they do so by generating a single-strand break in substrate DNA and then manipulating the two single strands to generate positive topology. Here, we use single-molecule experimentation to reveal the…

….. (Hentet 27.apr.2020 ) ….. <> Disappearance of animal species takes mental, cultural and material toll on humans For thousands of years, indigenous hunting societies have subsisted on specific animals for their survival. How have these hunter-gatherers been affected when these animals migrate or go extinct?

….. (Hentet 22.apr.2020 ) ….. <> Disappearing Alaskan sea ice is significant for Arctic marine ecosystem A new study shows that plant materials originating in Arctic sea ice are significantly incorporated into marine food webs that are used for subsistence in local communities of the greater Bering Strait region.

….. (Hentet 22.maj 2020 ) ….. <> Discovery about the edge of fusion plasma could help realize fusion power Unique simulations reveal new understanding of the highly complex edge of fusion plasmas.

….. (Hentet 4.maj 2020 ) ….. <> Discovery of bacterial enzyme activity could lead to new sugar-based drugs Researchers from DTU have revealed the structure of an enzyme that can convert low-cost sugars into hard-to-produce alpha-GalNAc sugars with therapeutic properties for e.g. cancer drugs.

….. (Hentet 14.maj 2020 ) ….. <> Discovery of malaria parasite's clock could pave way to new treatments The parasite that causes malaria has its own internal clock, explaining the disease's rhythmic fevers and opening new pathways for therapeutics.

….. (Hentet 23.apr.2020 ) ….. <> Discovery of protein's configuration could lead to more effective anti-obesity treatments Researchers have unveiled the precise shape of a key player in human metabolism, which could open the door to better treatments for obesity and other metabolic disorders.

….. (Hentet 1.maj 2020 ) ….. <> Discovery opens new avenues for designing drugs to combat drug-resistant malaria For the first time, UBC researchers have shown a key difference in the three-dimensional structures of a key metabolic enzyme in the parasite that causes malaria compared to its human counterpart.

….. (Hentet 23.apr.2020 ) ….. <> Diseases Can Jump to Humans from Plants, Not Just from Animals The deadly fungal pathogen Candida auris maj have developed drug resistance on farms

….. (Hentet 23.apr.2020 ) ….. <> Dissolved oxygen and pH policy leave fisheries at risk Scientists have considered accumulating scientific evidence on the harmful effects of coastal hypoxia and acidification in coastal ecosystems and suggest approaches that would address current policy shortfalls and facilitate improved protection of aquatic life.

….. (Hentet 22.apr.2020 ) ….. <> Distinct roles for myosins in 'tuning' cell shape for division Mechanical properties of the cell cortex—a thin network of actin filaments under the cell membrane—regulate shape changes during cell division, cell migration and tissue development. Two forms of the molecular motor myosin-II participate in organizing and remodeling the cell cortex.

….. (Hentet 1.maj 2020 ) ….. <> Distinct roles of stereociliary links in the nonlinear sound processing and noise resistance of cochlear outer hair cells [Neuroscience] Outer hair cells (OHCs) play an essential role in hearing by acting as a nonlinear amplifier which helps the cochlea detect sounds with high sensitivity and accuracy. This nonlinear sound processing generates distortion products, which can be measured as distortion-product otoacoustic emissions (DPOAEs). The OHC stereocilia that respond to sound…

….. (Hentet 20.maj 2020 ) ….. <> Divergence in flowering time contributes reproductive isolation between wild rice species This study chose a pair of wild rice species (Oryza rufipogon and O. nivara) as a unique system to investigate the between-species reproductive isolation based on artificial crossing experiment and the flowering census from the common garden experiment. Researchers demonstrate that divergent flowering time between species contributes to nearly complete reproductive isolation and thus the major fac

….. (Hentet 24.apr.2020 ) ….. <> Diverse livelihoods helped resilient Levänluhta people survive a climate disaster A multidisciplinary research group dated the bones of dozens of Iron Age residents of the Levänluhta site in Finland, and studied the carbon and nitrogen stable isotope ratios. The results provide an overview of the dietary habits based on terrestrial, marine and freshwater ecosystems, as well as of sources of livelihoods throughout the Levänluhta era.

….. (Hentet 21.maj 2020 ) ….. <> DNA bricks build nanotube transistors [no content]

….. (Hentet 1.maj 2020 ) ….. <> DNA damage and faulty repair jointly cause mutations By analysing genomic data from worms, scientists detailed how mutations are caused by a combination of DNA damage and inaccurate repair. This shows that a single DNA-damaging agent can generate a multitude of mutational signatures depending on the repair mechanisms involved in fixing the original damage. The research could help pinpoint the causes of mutations found in the genomes of cancer patien

….. (Hentet 25.apr.2020 ) ….. <> DNA may not be life's instruction book—just a jumbled list of ingredients submitted by /u/spof84 [link] [comments]

….. (Hentet 12.maj 2020 ) ….. <> DNA metabarcoding reveals metacommunity dynamics in a threatened boreal wetland Researchers working in Alberta's Peace-Athabasca Delta found that DNA metabarcoding is an effective tool for detection of a broad range of biodiversity in water samples compared to traditional morphological identification methods.

….. (Hentet 15.maj 2020 ) ….. <> DNA sequence symmetries from maximum entropy: The origin of the Chargaff's second parity rule Most living organisms rely on double-stranded DNA to perpetuate their genetic code. This biological information is the main target of evolution.

….. (Hentet 13.maj 2020 ) ….. <> DNA sheds light on frogmouth bird's flight to Australia A Griffith University-led collaboration has used DNA analysis to resolve the evolutionary origins of the distinctive Australian frogmouth species of bird.

….. (Hentet 12.maj 2020 ) ….. <> DNA surprises surfacing in the Atlantic: Species far from their usual southern homes Scientists investigating shifting Atlantic Ocean migration patterns bottled the genetic traces of species far north of their normal homes.Rockefeller University scientists simply fishing for DNA in seawater found Brazilian cownose rays and Gulf kingfishes – never known north of the Gulf of Mexico, and Chesapeake Bay, VA respectively – off New Jersey's coast, a 2 hour drive south of NY City.The stu

….. (Hentet 12.maj 2020 ) ….. <> Do democracies behave differently from non-democracies when it comes to foreign policy? The question of whether democracies behave differently from non-democracies is a central, and intense, debate in the field of international relations. Two intellectual traditions—liberalism and realism—dominate. Liberals argue that democracies do indeed behave differently, while realists insist that regime type and ideology are of little relevance in understanding foreign policy behavior.

….. (Hentet 4.maj 2020 ) ….. <> Do you use your work phone outside working hours?–dyu050420.php Nowadays many work duties can be dealt with by means of mobile devices at home, a situation which blurs the boundary between work and other daily life. This blurring of boundaries between work and non-work domains maj both be challenging and beneficial to employees and their organizations.

….. (Hentet 12.maj 2020 ) ….. <> Dock and harbor: A novel mechanism for controlling genes In a recent study published in Molecular Cell, researchers at Kanazawa University report the role of cellular structures called PML bodies in regulating gene function.

….. (Hentet 26.apr.2020 ) ….. <> Doctors Are Holding Up Their End of the Bargain. Society Is Not. Updated at 10:20 a.m. ET on April 26, 2020. On Tuesday a candidate for the Connecticut Senate, J. T. Lewis of Sandy Hook, posted one of those suicidal tweets that goes off like a mortar shot straight up into the sky, with nothing to do but plummet back down onto the head of the one who fired it. Here it is, whistling back to Earth in its full contrarian glory: Unpopular take: didn't nurses and do

….. (Hentet 21.apr.2020 ) ….. <> Doctors should ask this pain question Along with the 0-10 rating scale, asking the question "Is your pain tolerable?" could help doctors decide if treatments, including opioid medications, are actually necessary, research shows. "Because of concerns about overtreatment of pain with opioids there has been an enormous effort to rethink how we ask patients about pain," says John D. Markman, director of the Translational Pain Research Pr

….. (Hentet 30.apr.2020 ) ….. <> Does 'participatory budgeting' lead to political patronage? Researchers ask whether 'Participatory Budgeting' in New York City has become a vehicle for vote-getting by municipal legislators.

….. (Hentet 21.apr.2020 ) ….. <> Dollar's long-term prospects turn gloomy, say analysts Interest rate cuts and massive fiscal stimulus are expected to weigh on the greenback

….. (Hentet 21.maj 2020 ) ….. <> Domestic coastal and marine tourism could contribute to rebooting activity in the sector NUI Galway's Socio-Economic Marine Research Unit (SEMRU) has released a report that presents estimates of the value of domestic coastal and marine tourism in the Republic of Ireland.

….. (Hentet 3.maj 2020 ) ….. <> Don't Let a Good Crisis Go to Waste. Instead, Use It as a Catalyst for Innovation submitted by /u/dwaxe [link] [comments]

….. (Hentet 4.maj 2020 ) ….. <> Don't Regulate Artificial Intelligence: Starve It The potential dangers of this technology are great enough that we need to be very careful about how powerful we allow it to be

….. (Hentet 13.maj 2020 ) ….. <> Donut Sugar Could Help Stored Blood Last Dehydrated blood that could be kept at room temperature for years maj be possible thanks to a sugar used to preserve donuts—and made by tardigrades and brine shrimp so they can dry out and…

….. (Hentet 30.apr.2020 ) ….. <> Double bubbles pierce with less trouble Two microscopic bubbles penetrate soft materials better than one, concludes a new study by engineers. Optical cavitation uses a laser to form bubbles in a liquid that expand rapidly then collapse. The new article shows two bubbles produce long, fine jets that penetrate far enough with only five pulses to make cavitation potentially suitable for transfection or needle-free injections.

….. (Hentet 18.maj 2020 ) ….. <> Double helix of masonry: Researchers discover the secret of Italian renaissance domes Researchers found that the masonry of Italian renaissance domes, such as the duomo in Florence, use a double-helix structure that is self-supporting during and after construction. Their study is the first to quantitatively prove the forces at work in such masonry domes, which maj lead to advances in modern drone construction techniques.

….. (Hentet 21.maj 2020 ) ….. <> Dowsing for danger [no content]

….. (Hentet 23.apr.2020 ) ….. <> Dramatic decrease in cold-water plankton during industrial era There has been a dramatic decrease in cold-water plankton during the 20th century, in contrast to thousands of years of stability, according to a new UCL-led study.

….. (Hentet 23.apr.2020 ) ….. <> Dramatic double discovery of a fish on the brink of extinction Within the space of less than a month, two specimens of a vanishingly rare fish have been plucked from the waters of the Rioni River in Georgia.

….. (Hentet 27.apr.2020 ) ….. <> Dramatic loss of food plants for insects Just a few weeks ago, there were news headlines about plummeting insect numbers. Academic discourse focused on three main causes: the destruction of habitats, pesticides in agriculture and the decline of food plants for insects. A team of researchers from the Universities of Bonn and Zurich and the Swiss Federal Institute for Forest, Snow and Landscape Research WSL have now demonstrated for the fi

….. (Hentet 30.apr.2020 ) ….. <> Drivers of IL-22 secretion [no content]

….. (Hentet 27.apr.2020 ) ….. <> Droplets are key to cells' dynamic activities A cell is a complex machine whose flexible architecture enables it to take part in life's activities: relaying information, managing waste, responding to stress.

….. (Hentet 28.apr.2020 ) ….. <> Drosophila as a model for studying cystic fibrosis pathophysiology of the gastrointestinal system [Cell Biology] Cystic fibrosis (CF) is a recessive disease caused by mutations in the CF transmembrane conductance regulator (CFTR) gene. The most common symptoms include progressive lung disease and chronic digestive conditions. CF is the first human genetic disease to benefit from having five different species of animal models. Despite the phenotypic…

….. (Hentet 20.maj 2020 ) ….. <> Drug combination could eliminate side effects of once-popular diabetes treatment A new UT Southwestern study shows how an effective but largely abandoned treatment for Type 2 diabetes could be used again in combination with another drug to eliminate problematic side effects.

….. (Hentet 21.maj 2020 ) ….. <> Drug repurposing [no content]

….. (Hentet 21.apr.2020 ) ….. <> Dry and moist dynamics shape regional patterns of extreme precipitation sensitivity [Earth, Atmospheric, and Planetary Sciences] Responses of extreme precipitation to global warming are of great importance to society and ecosystems. Although observations and climate projections indicate a general intensification of extreme precipitation with warming on global scale, there are significant variations on the regional scale, mainly due to changes in the vertical motion associated with…

….. (Hentet 6.maj 2020 ) ….. <> Dual personalities visualized for shape-shifting molecule Researchers have made a breakthrough in understanding the structure of a key genetic molecule, called RNA, and revealing for the first time how these changes impact RNA's function. The research team developed a bioinformatics technique to resolve separate structures of RNA rather than viewing them as a 'blur' that averaged multiple structures. This underpinned their discovery that the structure of

….. (Hentet 1.maj 2020 ) ….. <> During tough times, ancient 'tourists' sought solace in Florida oyster feasts More than a thousand years ago, people from across the Southeast regularly traveled to a small island on Florida's Gulf Coast to bond over oysters, likely as a means of coping with climate change and social upheaval.

….. (Hentet 18.maj 2020 ) ….. <> Dust bowl conditions of 1930s US now more than twice as likely to reoccur submitted by /u/thespaceageisnow [link] [comments]

….. (Hentet 14.maj 2020 ) ….. <> Dynamic stimulation of the visual cortex allows blind and sighted people to 'see' shapes In a paper publishing in the journal Cell on maj 14, a team of investigators at Baylor College of Medicine in Houston describe an approach in which implanted electrodes are stimulated in a dynamic sequence, essentially 'tracing' shapes on the surface of the visual cortex that participants were able to 'see.'

….. (Hentet 13.maj 2020 ) ….. <> Dynamics of gut bacteria follow ecological laws The seemingly chaotic bacterial soup of the gut microbiome is more organized than it first appears and follows some of the same ecological laws that apply to birds, fish, tropical rainforests, and even complex economic and financial markets, according to a new paper in Nature Microbiology by researchers at Columbia University Irving Medical Center.

….. (Hentet 26.apr.2020 ) ….. <> Dyr fra DR-serie blev lavet om til musik – men drilsk mus og truet ugle skabte problemer Komponisterne til 'Vilde vidunderlige Danmark' skulle koge den danske natur ned til tre timers musik.

….. (Hentet 26.apr.2020 ) ….. <> Dyson Corrale Review: The Hair Straightener of the Future Dyson's new flat iron can straighten even the curliest of hair, but its price is a bit too steep.

….. (Hentet 22.maj 2020 ) ….. <> Earliest evidence of Italians' extraordinary genetic diversity dates back to 19,000 years ago In Europe, Italians have the highest genetic diversity. The gradient of their genetic variability, scattered all over the peninsula, encloses on a small scale the whole genetic variance between southern and continental Europeans. This amazing diversity started to accumulate soon after the Late Glacial Maximum, which ended approximately 19,000 years ago.

….. (Hentet 18.maj 2020 ) ….. <> Early Bird uses 10 times less energy to train deep neural networks Rice engineers have found a way to train deep neural networks for a fraction of the energy required today. Their Early Bird method finds key network connectivity patterns early in training, reducing the computations and carbon footprint for training deep learning.

….. (Hentet 6.maj 2020 ) ….. <> Early Detection: A New Front in the War on Cancer Blood tests that find malignancies before they spread could transform our approach to treatment

….. (Hentet 12.maj 2020 ) ….. <> Early experiences determine how birds build their first nest Early life experiences of zebra finches have a big effect on the construction of their first homes, according to a new study.

….. (Hentet 20.apr.2020 ) ….. <> Early exposure to cannabis boosts young brains' sensitivity to cocaine, rodent study finds Cannabis use makes young brains more sensitive to the first exposure to cocaine, according to a new study on rodents. By monitoring the brains of both adolescent and adult rats after giving them synthetic psychoactive cannabinoids followed by cocaine, the research team identified key molecular and epigenetic changes that occurred in the brains of adolescents — but not adults.

….. (Hentet 20.apr.2020 ) ….. <> Early GP referrals are leading to cancer patients surviving longer Early GP referrals are likely to lead to cancer patients surviving longer, a study by King's College London has found.

….. (Hentet 27.apr.2020 ) ….. <> Early high school start times adversely affect attendance A new study finds that earlier high school start times can have significant adverse consequences for students, including increased rates of tardiness and absenteeism.

….. (Hentet 15.maj 2020 ) ….. <> Early humans thrived in this drowned South African landscape Scientists have reconstructed the paleoecology the Paleo-Agulhas Plain, a now-drowned landscape on the southern tip of Africa that was high and dry during glacial phases of the last 2 million years and maj have been instrumental in shaping the evolution of early modern humans.

….. (Hentet 4.maj 2020 ) ….. <> Early investments in state capacity promote persistently higher levels of social capital [Political Sciences] Social capital has been shown to positively influence a multitude of economic, political, and social outcomes. Yet the factors that affect long-run social capital formation remain poorly understood. Recent evidence suggests that early state formation, especially investments in state capacity, are positively associated with higher levels of contemporary social capital…

….. (Hentet 21.apr.2020 ) ….. <> Early marijuana use 'primes' the brain to enjoy cocaine, study suggests In the study, adolescent and adult rats were first given a synthetic cannabinoid and then cocaine. The results showed that the young rats' brains were more sensitive to the effects of cocaine, but these effects weren't observed in the adult rats. The researchers suggest that research like this can help to develop better treatments for substance abuse disorders. A new study suggests that using mar

….. (Hentet 18.maj 2020 ) ….. <> Early visual experience drives precise alignment of cortical networks for binocular vision Researchers identify three distinct cortical representations that develop independent of visual experience but undergo experience-dependent reshaping, an essential part of cortical network alignment and maturation.

….. (Hentet 20.apr.2020 ) ….. <> Earth 2020: Science, society, and sustainability in the Anthropocene [Perspectives] April 22, 2020, marks the 50th anniversary of Earth Day and the birth of the modern environmental movement. As we look back over the past half century, we can gain significant insights into the evolving human imprint on Earth's biophysical systems, and the role of science and scientists in driving…

….. (Hentet 26.apr.2020 ) ….. <> Earth Day at 50: A Look to the Past Offers Hope for the Planet's Future Fifty years ago, on April 22, 1970, millions of people took to the streets in cities and towns across the United States, giving voice to an emerging consciousness of humanity's impact on Earth . Protesters shut down 5th Avenue in New York City, students in Boston staged a "die-in" at Logan airport, and demonstrators in Chicago called for an end to the internal combustion engine. CBS News anchor W

….. (Hentet 21.apr.2020 ) ….. <> Earth Day: How a pillar of the green movement was born 50 years ago Wednesday marks the 50th anniversary of Earth Day, often spoken of as the birth of the green movement. Denis Hayes helped coordinate the first event, and speaks to New Scientist about its impact

….. (Hentet 17.maj 2020 ) ….. <> Eavesdropping crickets drop from the sky to evade capture by bats Researchers have uncovered the highly efficient strategy used by a group of crickets to distinguish the calls of predatory bats from the incessant noises of the nocturnal jungle. The findings, led by scientists at the universities of Bristol and Graz in Austria and published in Philosophical Transactions of the Royal Society B, reveal the crickets eavesdrop on the vocalizations of bats to help the

….. (Hentet 15.maj 2020 ) ….. <> Eavesdropping on single molecules with light by replaying the chatter Scientists have pioneered a new technique to expose hidden biochemical pathways involving single molecules at the nanoscale.

….. (Hentet 19.maj 2020 ) ….. <> Ecosystem diversity drives the origin of new shark and ray species Biologists how different oceanographic conditions in the Gulf of California and the Baja California Peninsula influenced formation of new species of sharks and rays.

….. (Hentet 5.maj 2020 ) ….. <> Ecotourism transforms attitudes to marine conservation A study has shown how ecotourism in the Philippines has transformed people's attitudes towards marine conservation.

….. (Hentet 6.maj 2020 ) ….. <> Effect of face-aging app on skin cancer protection behavior This randomized clinical trial looked at the effect of a face-aging mobile app on daily sunscreen use and other skin protection among teens in Brazil. Selfies of students were altered to show UV effects on their future faces and shown to their class, accompanied by information about sun protection. Reducing UV exposure in children and adolescents is important because of the increased risk of skin

….. (Hentet 20.apr.2020 ) ….. <> Effective Psychological Therapy May Slow Cellular Aging Cognitive-behavioral therapy improved both symptoms and markers of senescence in people with anxiety

….. (Hentet 22.apr.2020 ) ….. <> Ef­fects of rapid-act­ing an­ti­de­press­ants con­sol­id­ated in sleep? Ketamine alleviates depressive symptoms within hours, with the most significant change typically seen a day after its administration. However, the symptoms often reappear within a week. According to researchers, neural connections strengthened by the quick treatment of depression are consolidated in the brain during the deep sleep periods of the following night. To prevent the circle of negative t

….. (Hentet 5.maj 2020 ) ….. <> Effects of recommender systems in e-commerce vary by product attributes and review ratings Recommender systems are used in e-commerce to guide consumers with messages like "People who purchased this item also purchased …" Past research has shown that these systems affect consumers' choices and generally boost sales, but few studies have examined how product-specific attributes or review ratings influence the effectiveness of such systems. A new study sought to determine how the impact

….. (Hentet 18.maj 2020 ) ….. <> Efficient, 'green' quantum-dot solar cells exploit defects Novel quantum dot solar cells match the efficiency of existing quantum-dot based devices, but without lead or other toxic elements that most solar cells of this type rely on.

….. (Hentet 21.apr.2020 ) ….. <> Eight science-backed tricks to make you feel less sad The little things really can help. ( Happiness can feel hard to find these days, but research shows that there are free and easy ways to help boost your mood—at least a bit. If you're feeling low, consider trying some of these evidence-based tricks to turn your day around. Drinking a cup of tea Scientists are still working on figuring out exactly how tea manages to placate our troubled

….. (Hentet 11.maj 2020 ) ….. <> El Niño-linked decreases in soil moisture could trigger massive tropical-plant die offs New research has found that El Niño events are often associated with droughts in some of the world's more vulnerable tropical regions. Associated with warmer than average ocean temperatures in the eastern Pacific, El Niños can in turn influence global weather patterns and tropical precipitation, and these changes can lead to massive plant die-offs if other extreme factors are also at play.

….. (Hentet 19.maj 2020 ) ….. <> Electric bikes 'could help people return to work' submitted by /u/tocreatewebsite [link] [comments]

….. (Hentet 5.maj 2020 ) ….. <> Electrical activity in living organisms mirrors electrical fields in atmosphere A new Tel Aviv University study provides evidence for a direct link between electrical fields in the atmosphere and those found in living organisms, including humans.

….. (Hentet 14.maj 2020 ) ….. <> Electrolysis: Chemists have discovered how to produce better electrodes Another step forward for renewable energies: The production of green hydrogen could be even more efficient in the future. By applying an unusual process step, chemists have found a way to treat inexpensive electrode materials and considerably improve their properties during electrolysis.

….. (Hentet 21.maj 2020 ) ….. <> Electronic and nuclear dynamics in one [no content]

….. (Hentet 4.maj 2020 ) ….. <> Electronic nematicity in Sr2RuO4 [Applied Physical Sciences] We have measured the angle-resolved transverse resistivity (ARTR), a sensitive indicator of electronic anisotropy, in high-quality thin films of the unconventional superconductor Sr2RuO4 grown on various substrates. The ARTR signal, heralding the electronic nematicity or a large nematic susceptibility, is present and substantial already at room temperature and grows by…

….. (Hentet 23.apr.2020 ) ….. <> Electronic skin fully powered by sweat can monitor health Electronic skin monitors body's vitals signs while being powered by sweat.

….. (Hentet 19.maj 2020 ) ….. <> Electrons break rotational symmetry in exotic low-temp superconductor Scientists have discovered that the transport of electronic charge in a metallic superconductor containing strontium, ruthenium, and oxygen breaks the rotational symmetry of the underlying crystal lattice. The strontium ruthenate crystal has fourfold rotational symmetry like a square, meaning that it looks identical when turned by 90 degrees (four times to equal a complete 360-degree rotation). Ho

….. (Hentet 27.apr.2020 ) ….. <> 'Elegant' solution reveals how the universe got its structure The universe is full of billions of galaxies–but their distribution across space is far from uniform. Why do we see so much structure in the universe today and how did it all form and grow? A 10-year survey of tens of thousands of galaxies provided a new approach to answering this fundamental mystery.

….. (Hentet 7.maj 2020 ) ….. <> Elesclomol rescues Menkes disease mice [no content]

….. (Hentet 4.maj 2020 ) ….. <> Eleven human genomes in nine days–ehg050320.php UC Santa Cruz researchers are helping drive advances in human genome assembly to make the process better, faster, and cheaper. They plan to leverage these innovations to create a reference genome more representative of human diversity.

….. (Hentet 7.maj 2020 ) ….. <> Eliminating damaged germline cells preserves germline integrity Researchers from the University of Tsukuba discovered that the transcription factor Myc plays a central role in the elimination of damaged germline cells. Using the well-established P-M hybrid dysgenesis model in Drosophila, the researchers showed that damaged germline cells downregulate Myc to be eliminated. When Myc was overexpressed, the cells survived but were not of sufficient quality to deve

….. (Hentet 5.maj 2020 ) ….. <> Elon Musk and Grimes Have Baby, Claim to Name It "X Æ A-12" X Æ A-12 SpaceX CEO Elon Musk and musician Claire "Grimes" Boucher had a baby last night, Musk tweeted . The baby is a boy, the entrepreneur clarified in a followup message . And its name — well, if the enigmatic entrepreneur is to be believed, its name is "X Æ A-12 Musk." Baby Fever Musk and Boucher have enjoyed a high-profile and scifi-tinged romance ever since debuting their relationship at th

….. (Hentet 20.apr.2020 ) ….. <> Elon Musk: The Cybertruck Will "Float For a While" We All Float Down Here According to a new tweet by Tesla CEO Elon Musk, the electric automaker's upcoming Cybertruck will be able to float — at least for short periods of time. "Yes. It will even float for a while," Musk responded on Twitter about the vehicle's wading depth. As Electrek reports , Musk bragged back in 2016 that Tesla's smaller Model S sedan also could float for a little while. "We

….. (Hentet 20.maj 2020 ) ….. <> Elucidating the mechanism of a light-driven sodium pump Researchers have succeeded for the first time in recording, in action, a light-driven sodium pump from bacterial cells. The findings promise progress in the development of new methods in neurobiology.

….. (Hentet 27.apr.2020 ) ….. <> Embrace The Ultimate Unknown The best way to have a good death is to live a good life.

….. (Hentet 1.maj 2020 ) ….. <> Emergence of deadly honey bee disease revealed Honey bee colonies from across the UK are increasingly suffering from a viral disease, a new study has shown. The team found that the number of honey bee colonies affected with chronic bee paralysis rose exponentially between 2007 and 2017.

….. (Hentet 18.maj 2020 ) ….. <> Emissions from road construction could be halved using today's technology The construction sector accounts for a quarter of carbon dioxide emissions, in Sweden and globally. Researchers studied the construction of an eight km stretch of road and calculated how emissions could be reduced now and by 2045, looking at everything from materials choice, production technology, supply chains and transport.

….. (Hentet 11.maj 2020 ) ….. <> Emotional well-being while home gardening similar to other popular activities, study finds Researchers found that gardening at home had a similar effect on emotional well-being (or happiness) as biking, walking or dining out. The benefits were similar across racial boundaries and between urban and suburban residents, and it was the only activity out of the 15 studied for which women and people with low incomes reported the highest emotional well-being. The results suggest that household

….. (Hentet 20.apr.2020 ) ….. <> Endangered Mediterranean monk seals aided by unique intervention Conservationists are celebrating exciting new footage that reveals an endangered Mediterranean monk seal making use of an artificial breeding ledge they have created to aid in the species' recovery. The footage, which shows a young adult female, is the first time that this species has been recorded using an artificial ledge, raising hopes that this unique habitat restoration effort will boost effo

….. (Hentet 23.apr.2020 ) ….. <> Engineered microbes can produce biodegradable plastics at lower cost and environmental impact than plant-based plastics If you look up from your screen and glance around you, it's nearly certain that there will be something made of synthetic plastic within arm's reach (maj be even the clothing you're wearing). Humans have only been manufacturing plastics for about 100 years, but we have already produced about 8,300 million metric tons of it since the 1950s—that's roughly the weight of 25,000 Empire State Buildings.

….. (Hentet 8.maj 2020 ) ….. <> Engineering natural selection in microbes has implications for biofuel production, addressing antibiotic resistance Scientists who study adaptation—or edit the genes of organisms—know the limitations inherent in conventional approaches to mutation that offer little opportunity to target individual genes without altering others as well.

….. (Hentet 18.maj 2020 ) ….. <> Engineers develop low-cost, high-accuracy GPS-like system for flexible medical robots Roboticists have developed an affordable, easy to use system to track the location of flexible surgical robots inside the human body. The system performs as well as current state of the art methods, but is much less expensive. Many current methods also require exposure to radiation, while this system does not.

….. (Hentet 21.apr.2020 ) ….. <> Engineers develop way to improve efficiency and heat tolerance of devices When it comes to increasing electric storage efficiency and electric breakdown strength — the ability of an electrical system to operate at higher voltage and temperatures with great efficiency — increasing one traditionally has led to a decrease in the other. Researchers recently developed a scalable method that relies on engineered materials to increase both properties.

….. (Hentet 29.apr.2020 ) ….. <> Engineers make a promising material stable enough for use in solar cells Soft and flexible materials called halide perovskites could make solar cells more efficient at significantly less cost, but they're too unstable to use.

….. (Hentet 28.apr.2020 ) ….. <> Enter Our Annual Top 10 Innovations Contest Submit your new product now to have a chance at being selected for a coveted spot in The Scientist's 2020 competition.

….. (Hentet 21.maj 2020 ) ….. <> Environmental contaminants alter gut microbiome, health The microbes that inhabit our bodies are influenced by what we eat, drink, breathe and absorb through our skin, and most of us are chronically exposed to natural and human-made environmental contaminants. Scientists review the research linking dozens of environmental chemicals to changes in the gut microbiome and associated health challenges.

….. (Hentet 24.apr.2020 ) ….. <> Environment-friendly compound shows promise for solar cell use In research published today in Advanced Functional Materials, a team of engineers, material scientists, and physicists demonstrated how a new material — a lead-free chalcogenide perovskite — that hadn't previously been considered for use in solar cells could provide a safer and more effective option than others that are commonly considered.

….. (Hentet 5.maj 2020 ) ….. <> Epidemiologists develop new tool for measuring the pace of aging across the life course A study just released by Columbia University Mailman School of Public Health is reporting a blood-DNA-methylation measure that is sensitive to variation in the pace of biological aging among individuals born the same year. The tool – DunedinPoAm — offers a unique measurement for intervention trials and natural experiment studies investigating how the rate of aging maj be changed by behavioral or

….. (Hentet 23.apr.2020 ) ….. <> Epileptic brain fluorescent imaging reveals apigenin can relieve the myeloperoxidase-mediated oxidative stress and inhibit ferroptosis [Chemistry] Myeloperoxidase (MPO)-mediated oxidative stress has been suggested to play an important role in the pathological dysfunction of epileptic brains. However, there is currently no robust brain-imaging tool to detect real-time endogenous hypochlorite (HClO) generation by MPO or a fluorescent probe for rapid high-throughput screening of antiepileptic agents that control the…

….. (Hentet 8.maj 2020 ) ….. <> Epithelial GPS: Position of RNAi machinery is associated with epithelial identity Researchers at the Medical University of South Carolina show in a new report that the RNA interference machinery, normally thought to reside in the nucleus or cytoplasm, predominantly localizes to these apical junctions and influences cell biology in the colon. Interestingly, in colon tumors, this localization is dysregulated and maj shift the balance of RNAs to promote tumorigenesis.

….. (Hentet 30.apr.2020 ) ….. <> Equal opportunity tissue regeneration [no content]

….. (Hentet 21.apr.2020 ) ….. <> Erik Roj Larsen udnævnt til professor i psykiatri Behandlingen af mani og depression skal styrkes, mener Erik Roj Larsen, ny professor og forskningsleder ved Psykiatrisk Afdeling Esbjerg.

….. (Hentet 6.maj 2020 ) ….. <> ESO instrument finds closest black hole to Earth Astronomers have discovered a black hole lying just 1,000 light-years from Earth. The black hole is closer to our solar system than any other found to date and forms part of a triple system that can be seen with the naked eye. The astronomers found evidence for the invisible object by tracking its two companion stars using the MPG/ESO 2.2-meter telescope at ESO's La Silla Observatory in Chile. The

….. (Hentet 20.maj 2020 ) ….. <> ESO telescope sees signs of planet birth Observations made with the European Southern Observatory's Very Large Telescope (ESO's VLT) have revealed the telltale signs of a star system being born. Around the young star AB Aurigae lies a dense disc of dust and gas in which astronomers have spotted a prominent spiral structure with a 'twist' that marks the site where a planet maj be forming. The observed feature could be the first direct evi

….. (Hentet 5.maj 2020 ) ….. <> Essential role for autophagy protein ATG7 in the maintenance of intestinal stem cell integrity [Physiology] The intestinal epithelium acts as a barrier between the organism and its microenvironment, including the gut microbiota. It is the most rapidly regenerating tissue in the human body thanks to a pool of intestinal stem cells (ISCs) expressing Lgr5. The intestinal epithelium has to cope with continuous stress linked to…

….. (Hentet 27.apr.2020 ) ….. <> Estimating geographic subjective well-being from Twitter: A comparison of dictionary and data-driven language methods [Psychological and Cognitive Sciences] Researchers and policy makers worldwide are interested in measuring the subjective well-being of populations. When users post on social media, they leave behind digital traces that reflect their thoughts and feelings. Aggregation of such digital traces maj make it possible to monitor well-being at large scale. However, social media-based methods…

….. (Hentet 4.maj 2020 ) ….. <> Estimating the deep replicability of scientific findings using human and artificial intelligence [Psychological and Cognitive Sciences] Replicability tests of scientific papers show that the majority of papers fail replication. Moreover, failed papers circulate through the literature as quickly as replicating papers. This dynamic weakens the literature, raises research costs, and demonstrates the need for new approaches for estimating a study's replicability. Here, we trained an artificial…

….. (Hentet 20.maj 2020 ) ….. <> Estimating the sex of the youngest individuals from Sima de los Huesos via dentition thanks to the analysis of 32 dental pieces using micro-computed tomography a team led by Cecilia García Campos, a researcher in the Dental Anthropology Group at the Centro Nacional de Investigación sobre la Evolución Humana, has estimated the sex of at least 15 individuals from the population of Sima de los Huesos site in the Sierra de Atapuerca (Burgos, Spain). The results are published in the Jo

….. (Hentet 27.apr.2020 ) ….. <> 'Ethnic spaces' make minority students feel at home on campus New research by the University of Washington and the University of Exeter examined the value that college students — of many races — place on ethnic cultural centers.

….. (Hentet 7.maj 2020 ) ….. <> EU not ready for the release of gene drive organisms into the environment Within the last decades, new genetic engineering tools for manipulating genetic material in plants, animals and microorganisms are getting large attention from the international community, bringing new challenges and possibilities. While genetically modified organisms (GMO) have been known and used for quite a while now, gene drive organisms (GDO) are yet at the consideration and evaluation stage.

….. (Hentet 20.apr.2020 ) ….. <> Eurasian ice sheet collapse raised seas eight metres: study The melting of the Eurasian ice sheet around 14,000 years ago lifted global sea levels by about eight metres, according to new research published Monday that highlights the risks of today's rapid ice cap melt.

….. (Hentet 24.maj 2020 ) ….. <> Europa: Three More Clues We have alien worlds right here in our solar system

….. (Hentet 20.apr.2020 ) ….. <> European vaccination survey shows wide variety of parents' opinions across UK, Italy, France, Spain and Germany A survey of five European countries shows that parents in Spain are the most pro-vaccination (94%) while those in France (73%) are the least in favour of vaccination. One in 30 sets of parents in the UK and Germany are against all vaccinations, no matter which disease they are for. The survey results are part of a study due to be presented at the European Congress of Clinical Microbiology and Infe

….. (Hentet 11.maj 2020 ) ….. <> Eurovision voting points to more than just musical tastes How people vote in the Eurovision Song Contest maj tell us more than just the musical tastes of a nation—according to new research.

….. (Hentet 18.maj 2020 ) ….. <> Even biodiverse coral reefs still vulnerable to climate change and invasive species A new study reveals clear evidence highlighting the importance of fish biodiversity to the health of spectacular tropical coral reef ecosystems.However, the study's results show that even though strong relationships between diversity and a healthy ecosystem persist, human-driven pressures of warming oceans and invasive species still diminish ecosystems in various ways.

….. (Hentet 20.maj 2020 ) ….. <> Every heart dances to a different tune Play the same piece of music to two people, and their hearts can respond very differently. That's the conclusion of a novel study presented today on EHRA Essentials 4 You, a scientific platform of the European Society of Cardiology (ESC).

….. (Hentet 26.apr.2020 ) ….. <> Everybody can make Deepfakes but new policy..?! 🚫 (Discussion for Deepfake) submitted by /u/Julia_Jueun [link] [comments]

….. (Hentet 23.apr.2020 ) ….. <> Everything is not fine: Kids can tell when parents suppress their stress New research finds that parents suppressing feelings of stress around their kids can actually transmit those feelings to the children. The study found that children had a physical response when parents tried to hide their emotions.

….. (Hentet 29.apr.2020 ) ….. <> Evidence of Late Pleistocene human colonization of isolated islands beyond Wallace's Line A new article published in Nature Communications applies stable isotope analysis to a collection of fossil human teeth from the islands of Timor and Alor in Wallacea to study the ecological adaptations of the earliest members of our species to reach this isolated part of the world. Because the Wallacean islands are considered extreme, resource poor settings, archaeologists believed that early seaf

….. (Hentet 5.maj 2020 ) ….. <> Evidence that human brains replay our waking experiences while we sleep When we fall asleep, our brains are not merely offline, they're busy organizing new memories — and now, scientists have gotten a glimpse of the process. Researchers report the first direct evidence that human brains replay waking experiences while asleep, seen in the brains of two participants who had been implanted with microelectrode arrays as part of a brain-computer interface pilot clinical t

….. (Hentet 27.apr.2020 ) ….. <> Evolution of a high-performance and functionally robust musculoskeletal system in salamanders [Evolution] The evolution of ballistic tongue projection in plethodontid salamanders—a high-performance and thermally robust musculoskeletal system—is ideal for examining how the components required for extreme performance in animal movement are assembled in evolution. Our comparative data on whole-organism performance measured across a range of temperatures and the musculoskeletal morphology of the…

….. (Hentet 29.apr.2020 ) ….. <> Evolution of bacterial movement revealed An international team with researchers from Leiden revealed how a bacterium repurposed an internal system to control its movements. Movement control is very important in host invasion, which can lead to disease. Publication on 27 April in Nature Communications.

….. (Hentet 30.apr.2020 ) ….. <> Example found of evolutionary tradeoff in ancient shrimp-like species A team of researchers with members affiliated with institutions in China, Germany and France has found an example of evolutionary tradeoff in Cambrian arthropods. In their paper published in the journal Science Advances, the group describes how they compared egg and cluster sizes in a closely related species of ancient shrimp and what they learned from it.

….. (Hentet 21.apr.2020 ) ….. <> Exceptional diversity of opsin expression patterns in Neogonodactylus oerstedii (Stomatopoda) retinas [Evolution] Stomatopod crustaceans possess some of the most complex animal visual systems, including at least 16 spectrally distinct types of photoreceptive units (e.g., assemblages of photoreceptor cells). Here we fully characterize the set of opsin genes expressed in retinal tissues and determine expression patterns of each in the stomatopod Neogonodactylus oerstedii….

….. (Hentet 13.maj 2020 ) ….. <> Excess coffee consumption a culprit for poor health Cappuccino, latte or short black, coffee is one of the most commonly consumed drinks in the world. But whether it's good or bad for your health can be clarified by genetics, as a world-first study shows that excess coffee consumption can cause poor health.

….. (Hentet 22.apr.2020 ) ….. <> Excessive rain triggered 2018 Kīlauea volcano eruption, study finds Excessive and sustained rainfall triggered the 2018 eruption of Kīlauea volcano in Hawaii, according to researchers at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science. The researchers suggest that local rainfall patterns maj contribute significantly to the timing and frequency of the eruption at Kilauea and perhaps at other volcanoes.

….. (Hentet 4.maj 2020 ) ….. <> Exemplar learning reveals the representational origins of expert category perception [Psychological and Cognitive Sciences] Irrespective of whether one has substantial perceptual expertise for a class of stimuli, an observer invariably encounters novel exemplars from this class. To understand how novel exemplars are represented, we examined the extent to which previous experience with a category constrains the acquisition and nature of representation of subsequent exemplars…

….. (Hentet 20.maj 2020 ) ….. <> Exercise improves memory, boosts blood flow to brain Scientists have collected plenty of evidence linking exercise to brain health, with some research suggesting fitness maj even improve memory. But what happens during exercise to trigger these benefits?

….. (Hentet 20.apr.2020 ) ….. <> Exoplanet apparently disappears in latest Hubble observations What scientists thought was a planet beyond our solar system has 'vanished.' Though this happens to sci-fi worlds, scientists seek a more plausible explanation. One interpretation: instead of a planet, it could be a dust cloud produced by two large bodies colliding.

….. (Hentet 18.maj 2020 ) ….. <> Exoplanet climate 'decoder' aids search for life After examining a dozen types of suns and a roster of planet surfaces, Cornell University astronomers have developed a practical model—an environmental color "decoder"—to tease out climate clues for potentially habitable exoplanets in galaxies far away.

….. (Hentet 5.maj 2020 ) ….. <> Exoplanets: How we'll search for signs of life Whether there is life elsewhere in the universe is a question people have pondered for millennia; and within the last few decades, great strides have been made in our search for signs of life outside of our solar system.

….. (Hentet 15.maj 2020 ) ….. <> Expanding Paved Areas Has an Outsize Effect on Urban Flooding Researchers have finally been able to pinpoint just how much impervious surfaces exacerbate flood levels

….. (Hentet 21.apr.2020 ) ….. <> Expanding the genetic code of the human hematopoietic system [Biochemistry] The genetic incorporation of noncanonical amino acids (ncAAs) into proteins has been realized in bacteria, yeast, and mammalian cells, and recently, in multicellular organisms including plants and animals. However, the addition of new building blocks to the genetic code of tissues from human origin has not yet been achieved. To…

….. (Hentet 21.apr.2020 ) ….. <> Expansion of world's cities creating 'new ecological niches' for infectious diseases New research highlights how urban expansion is creating the conditions for infectious diseases to emerge and spread around the world by blurring the classical boundaries between city, suburb, and countryside.

….. (Hentet 4.maj 2020 ) ….. <> Expansion, environmental impacts of irrigation by 2050 greatly underestimated New research suggests that the amount of farmland that will need to be irrigated to feed the global population by 2050 could be up to several billion acres, far higher than scientists currently project. The result would be a far greater strain on aquifers, an increased expansion of agriculture into natural ecosystems, and an amplification of climate change through the production and operation of i

….. (Hentet 6.maj 2020 ) ….. <> Experimental study of how 'metallic glass' forms challenges paradigm in glass research Unlike in a crystal, the atoms in a metallic glass are not ordered when the liquid solidifies. The properties of these materials are therefore quite different to those of an ordered crystalline material that forms when the same constituents are cooled more slowly. Exactly what is happening at the atomic level during the glass transition process, known as vitrification, is still not completely unde

….. (Hentet 1.maj 2020 ) ….. <> Experts apply microbiome research to agricultural science to increase crop yield The global demand and consumption of agricultural crops is increasing at a rapid pace. According to the 2019 Global Agricultural Productivity Report, global yield needs to increase at an average annual rate of 1.73 percent to sustainably produce food, feed, fiber and bioenergy for 10 billion people in 2050. In the US, however, agricultural productivity is struggling to keep pace with population gr

….. (Hentet 23.apr.2020 ) ….. <> Explaining super-rotation on Venus [no content]

….. (Hentet 1.maj 2020 ) ….. <> Exploiting a chink in the armor of bacteria could result in new drug therapies Scientists have identified a key process in the way bacteria protect themselves from attack—and it heralds a new strategy in the hunt for antibiotics.

….. (Hentet 21.apr.2020 ) ….. <> Exploiting evolutionary steering to induce collateral drug sensitivity in cancer Nature Communications, Published online: 21 April 2020; doi:10.1038/s41467-020-15596-z Evolutionary steering uses therapies to control tumour evolution by exploiting trade-offs. Here, using a barcoding approach applied to large cell populations, the authors explore evolutionary steering in lung cancer cells treated with EGFR inhibitors.

….. (Hentet 15.maj 2020 ) ….. <> Exploring climate change impacts through popular proverbs The proverbs related to environmental issues traditionally used by the local population in rural areas of Spain are currently considered imprecise and unreliable due to climate change impacts. This is the result of a study carried out by the Institut de Ciència i Tecnologia Ambientals of the Universitat Autònoma de Barcelona (ICTA-UAB) that presents a novel way of using the local knowledge embodie

….. (Hentet 11.maj 2020 ) ….. <> Exploring the impacts of climate change on hydropower production A new study investigated the impacts of different levels of global warming on hydropower potential and found that this type of electricity generation benefits more from a 1.5°C than a 2°C climate scenario.

….. (Hentet 19.maj 2020 ) ….. <> Exposure to ultrafine aerosol particles in homes depends primarily on people themselves Residents of large German cities have it above all in their own hands how high the concentrations of ultrafine dust are in their homes. The level of pollution in the home depends only partially on the air quality outside. However, it also depends very much on activities inside the home, such as cooking activities or heating of solid fuel. This study was led by the Leibniz Institute for Tropospheri

….. (Hentet 21.apr.2020 ) ….. <> Extent of Fermi-surface reconstruction in the high-temperature superconductor HgBa2CuO4+{delta} [Physics] High magnetic fields have revealed a surprisingly small Fermi surface in underdoped cuprates, possibly resulting from Fermi-surface reconstruction due to an order parameter that breaks translational symmetry of the crystal lattice. A crucial issue concerns the doping extent of such a state and its relationship to the principal pseudogap and…

….. (Hentet 4.maj 2020 ) ….. <> Extinguishing fearful memories depends on the flexibility of your DNA New research shows that the ability to extinguish fearful memories relies on a change in DNA structure: from Z-DNA to B-DNA. The findings suggest that the more easily you can switch between DNA these structures, the more plastic your memory is.

….. (Hentet 20.apr.2020 ) ….. <> Extra money helps folks with opioid addiction stay sober longer Adding $8 an hour to the paychecks of people with opioid addiction maj help those in recovery stay drug free longer, a new study shows. That extra money maj also encourage them to get and hold regular jobs. Poverty is an independent risk factor for drug abuse that treatment plans largely ignore, the researchers say. As reported in in the Journal of Epidemiology & Community Health , the researcher

….. (Hentet 5.maj 2020 ) ….. <> Extreme Ultraviolet imaging displays potential to enhance study of Alzheimer's disease Scientists have published highly-detailed images of lab-grown neurons using extreme ultraviolet radiation that could aid the analysis of neurodegenerative diseases.

….. (Hentet 23.apr.2020 ) ….. <> Eye contact activates the autonomic nervous system even during video calls A new study from Tampere University in Finland found that eye contact during video calls can elicit similar psychophysiological responses than those in genuine, in-person eye contact.

….. (Hentet 30.apr.2020 ) ….. <> Eyes send an unexpected signal to the brain New research, led by Northwestern University, has found that a subset of retinal neurons sends inhibitory signals to the brain. Before, researchers believed the eye only sends excitatory signals.

….. (Hentet 23.apr.2020 ) ….. <> Facebook friends Reliance to crack India The social media giant lands a landmark deal to profit from India's booming internet economy

….. (Hentet 20.apr.2020 ) ….. <> Facebook Gaming Is Here—but Who Is It For? The social giant's latest standalone app doesn't offer enough for either casual gamers or esports steaming fans.

….. (Hentet 21.apr.2020 ) ….. <> Facebook Will Remove Content Organizing Protests Against Stay-at-Home Orders, Zuckerberg Says submitted by /u/irfanhabib [link] [comments]

….. (Hentet 1.maj 2020 ) ….. <> Facultative protein selenation regulates redox sensitivity, adipose tissue thermogenesis, and obesity [Biochemistry] Oxidation of cysteine thiols by physiological reactive oxygen species (ROS) initiates thermogenesis in brown and beige adipose tissues. Cellular selenocysteines, where sulfur is replaced with selenium, exhibit enhanced reactivity with ROS. Despite their critical roles in physiology, methods for broad and direct detection of proteogenic selenocysteines are limited. Here we…

….. (Hentet 23.apr.2020 ) ….. <> Falling visibility shows African cities suffering major air pollution increases Falling visibility in three major African cities reveals that air pollution has increased significantly over the last 45 years—leaving citizens facing further short-term increases in man-made pollution due to increasing urbanization and economic development, a new study reveals.

….. (Hentet 20.maj 2020 ) ….. <> Family environment affects adolescent brain development Childhood environment and socioeconomic status affect cognitive ability and brain development during adolescence independently of genetic factors, researchers report. The study demonstrates how important the family environment is, not just during early infancy but also throughout adolescence.

….. (Hentet 1.maj 2020 ) ….. <> Family history misses identifying individuals with high genetic risk of CVD or cancer Certain genetic changes, termed 'pathogenic variants,' substantially increase risk for cardiovascular disease and cancer–the leading causes of death — but testing to identify individual carriers is not part of current clinical practice.

….. (Hentet 6.maj 2020 ) ….. <> Farese and Walther (HSPH) 3: Physiology of Lipid Droplet Formation All organisms have evolved ways to store energy- mostly as fat packaged into lipid droplets. Farese and Walther explain how lipid droplets form in cells and the physiological importance of getting this process right. All life requires metabolic energy but energy supplies and demands change over time. For this reason, organisms have developed wa

….. (Hentet 19.maj 2020 ) ….. <> Faster breeding sea urchins: A comeback animal model for developmental biology Researchers identified a species of sea urchin with a relatively short breeding cycle of six months. They used CRISPR technology to remove a gene that provides pigment. Male albino sea urchins survived. Crossing these with wild-type sea urchins and then breeding the offspring yielded second-generation albino mutants that matured to adulthood.

….. (Hentet 20.apr.2020 ) ….. <> Faster-degrading plastic could promise cleaner seas To address plastic pollution plaguing the world's seas and waterways, Cornell University chemists have developed a new polymer that can degrade by ultraviolet radiation, according to research published in the Journal of the American Chemical Society.

….. (Hentet 24.apr.2020 ) ….. <> Fault roughness and magnitude of earthquakes A new study has found that tectonic plates beneath the Earth's surface can show varying degrees of roughness and could help explain why certain earthquakes are stronger than others.

….. (Hentet 29.apr.2020 ) ….. <> Feeling burned out? The contributors could be more related to depression than you think Researchers found that similar factors cause both medical intern burnout and depression. These findings can be used to identify and treat burnout as well as mitigate the risk of burnout by modifying workplace factors.

….. (Hentet 20.maj 2020 ) ….. <> Feisty squid and fish fight back by dazzling attacking elephant seals Southern elephant seal mothers have only one thing on their mind after weeks marooned on beaches nursing their pups: getting back into the ocean to feast on lantern fish and squid. Yet, no one was sure how the ravenous predators locate victims in the inky depths. Pauline Goulet from the University of St Andrews, UK, and PI Mark Johnson suspected that the eerie bioluminescent glow produced by many

….. (Hentet 6.maj 2020 ) ….. <> Fiber optics capture seismic signatures of the rose parade Yes, there's a prize for the most beautiful flower-filled float in the Rose Parade each year, but how about a prize for the most ground-shaking marching band? According to a new study, the 2020 honors go to the Southern University and A&M College, followed closely by the hometown Pasadena City College Honor band.

….. (Hentet 12.maj 2020 ) ….. <> Fibroblast rejuvenation by mechanical reprogramming and redifferentiation [Applied Biological Sciences] Over the course of the aging process, fibroblasts lose contractility, leading to reduced connective-tissue stiffness. A promising therapeutic avenue for functional rejuvenation of connective tissue is reprogrammed fibroblast replacement, although major hurdles still remain. Toward this, we recently demonstrated that the laterally confined growth of fibroblasts on micropatterned substrates induces.

….. (Hentet 19.maj 2020 ) ….. <> Field courses boost student success, support STEM diversity efforts, study reveals The challenge of diversifying STEM fields maj get a boost from the results of a new study that show field courses help build self-confidence among students—especially those from underrepresented groups.

….. (Hentet 14.maj 2020 ) ….. <> Field study reveals how ammonia isotope molecules diffuse in air Scientists are working to find ways to monitor ammonia—an increasingly common species in the atmosphere closely linked to water eutrophication, soil acidity, and biodiversity loss. But measuring ammonia is not easy because ammonia can change from gas to particles quickly in the air.

….. (Hentet 7.maj 2020 ) ….. <> Fighting autoimmunity and cancer: The nutritional key Scientists have revealed a novel mechanism through which the immune system controls autoimmunity and cancer. In the special focus of the researchers were regulatory T cells — a type of white blood cells that act as a brake on the immune system.

….. (Hentet 14.maj 2020 ) ….. <> Fighting tuberculosis with light and sound A UK-wide research team, led by the Schools of Physics and Astronomy and Medicine at the University of St Andrews, has developed an innovative way to monitor the reaction of living bacteria to antibiotics using lasers and sound.

….. (Hentet 21.apr.2020 ) ….. <> Filling Arctic With Giant Animals Could Slow Climate Change Takes An Army In order to protect the Arctic from the ravages of climate change, a team of scientists has a bizarre plan. The idea, CBS News reports , is to fill the Arctic with hordes of grazing animals like reindeer and bison, which would help keep the permafrost frozen by trampling it — a trick they say could save 80 percent of the Arctic's permafrost until the year 2100. Stomping Ground When

….. (Hentet 21.apr.2020 ) ….. <> Film Photography Can Never Be Replaced Old-school image-making liberates us from algorithms—and helps us pursue an unfiltered connection with our own creativity.

….. (Hentet 12.maj 2020 ) ….. <> Filming quantic measurement for the first time The measurement of a strontium ion lasts barely a millionth of a second but the researchers have managed to make a 'film' of the process by reconstructing the quantum state of the system at different moments. The results confirm one of the most subtle predictions in quantum physics.

….. (Hentet 6.maj 2020 ) ….. <> Filtering out toxic chromium from water Hexavalent chromium continues to contaminate water sources around the world, with one US company fined just this February for putting employees at risk. Hexavalent chromium is considered to be extremely toxic, especially when inhaled or ingested, and its use is regulated in Europe and in many countries around the world. It is thought to be genotoxic, leading to DNA damage and the formation of canc

….. (Hentet 21.apr.2020 ) ….. <> Finding better ways to cool down as the climate heats up We're so used to putting on the AC when it gets hot that we don't even stop to think about what we're doing. But the impact it's having on the globe maj surprise you.

….. (Hentet 11.maj 2020 ) ….. <> Finding Inner Harmony: The Underappreciated Legacy of Karen Horney Karen Horney believed in the great potential for growth and development.

….. (Hentet 23.apr.2020 ) ….. <> Finding joy in Earth's biodiversity while sheltering in place NatCap's Gretchen Daily and Jeffrey Smith contributed to a new book, "Earth 2020: An Insider's Guide to a Rapidly Changing Planet," a collection of interdisciplinary essays to celebrate 50 years of Earth Day. Their chapter, "Everyday Biodiversity," describes the small ways that biodiversity supports the fabric of our daily lives, from our first sip of coffee in the morning to an evening beer as th

….. (Hentet 20.apr.2020 ) ….. <> Finding leukemia's weakness using genome-wide CRISPR technology Researchers have used CRISPR technology to identify key regulators of aggressive chronic myeloid leukemia.

….. (Hentet 1.maj 2020 ) ….. <> Finding more chromosome structures by assuming less A technique developed by three RIKEN researchers can identify interaction patterns within human chromosomes that conventional methods miss. It will help produce new maps of our chromosomes and uncover the complex interactions in them.

….. (Hentet 28.apr.2020 ) ….. <> Finding the genes to build a better cancer treatment A group of researchers led by Washington State University's Mark Lange, has found candidate genes that could eventually be used to manufacture Taxol more quickly and efficiently.

….. (Hentet 24.apr.2020 ) ….. <> Finite-temperature violation of the anomalous transverse Wiedemann-Franz law The Wiedemann-Franz (WF) law has been tested in numerous solids, but the extent of its relevance to the anomalous transverse transport and the topological nature of the wave function, remains an open question. Here, we present a study of anomalous transverse response in the noncollinear antiferromagnet Mn 3 Ge extended from room temperature down to sub-kelvin temperature and find that the anomalo

….. (Hentet 24.apr.2020 ) ….. <> Fins from endangered hammerhead sharks in Hong Kong market traced mainly to Eastern Pacific For the first time, researchers have traced the origins of shark fins from the retail market in Hong Kong back to the location where the sharks were first caught. This will allow them to identify "high-risk" supply chains for illegal trade and better enforce international trade regulations.

….. (Hentet 20.maj 2020 ) ….. <> Fire aerosols decrease global terrestrial ecosystem productivity through changing climate Fire is the primary form of terrestrial ecosystem disturbance on a global scale, and a major source of aerosols from the terrestrial biosphere to the atmosphere.

….. (Hentet 21.maj 2020 ) ….. <> First ancient cultivated rice discovered in Central Asia Rice has always been the most important food in Asia and the world. About half of the population on earth use rice as their main food source. The origin, spread, evolution, and ecological adaptation of cultivated rice are still one of the most important issues which currently concerned by global archaeologists, biologists, and agricultural scientists.

….. (Hentet 1.maj 2020 ) ….. <> First direct look at how light excites electrons to kick off a chemical reaction The first step in many light-driven chemical reactions, like the ones that power photosynthesis and human vision, is a shift in the arrangement of a molecule's electrons as they absorb the light's energy. This subtle rearrangement paves the way for everything that follows and determines how the reaction proceeds. Now scientists have seen for the first time how the molecule's electron cloud balloon

….. (Hentet 22.maj 2020 ) ….. <> First fossil nursery of the great white shark discovered An international research team discovered the first fossil nursery area of the great white shark, Carcharodon carcharias in Chile. This discovery provides a better understanding of the evolutionary success of the largest top predator in today's oceans in the past and could contribute to the protection of these endangered animals.

….. (Hentet 20.apr.2020 ) ….. <> First official ATS practice guidelines for Sarcoidosis cover diagnosis and detection New guidance is available for physicians who must go through a number of steps to provide a probable diagnosis of sarcoidosis — an inflammatory disease that affects the lungs, lymph glands, and other organs.

….. (Hentet 29.apr.2020 ) ….. <> First pregnancy complications linked to increased risk of future premature birth Women whose first baby is born at full term, but who experience complications in pregnancy, have an increased risk of preterm delivery (before 37 weeks) in their next pregnancy, finds a study from Norway published by The BMJ today.

….. (Hentet 30.apr.2020 ) ….. <> First results from NASA's ICESat-2 mission map 16 years of melting ice sheets By comparing new measurements from NASA's ICESat-2 mission with the original ICESat mission, which operated from 2003 to 2009, scientists were able to measure precisely how the Greenland and Antarctic ice sheets have changed over 16 years.

….. (Hentet 8.maj 2020 ) ….. <> First simulation of a full-sized mitochondrial membrane Scientists have developed a method that combines different resolution levels in a computer simulation of biological membranes. Their algorithm backmaps a large-scale model that includes features, such as membrane curvature, to its corresponding coarse-grained molecular model. This has allowed them to zoom in on toxin-induced membrane budding and to simulate a full-sized mitochondrial lipid membran

….. (Hentet 29.apr.2020 ) ….. <> First spotted lanternfly hatches reported: Expert provides tips for pest management Even before the recent news of the season's first confirmed spotted lanternfly hatches in the Philadelphia region, homeowners in many parts of Pennsylvania were gearing up for their annual battle with the destructive pest.

….. (Hentet 29.apr.2020 ) ….. <> First study of multicancer blood test to screen for cancer guide intervention Results from a first-of-its-kind study of a multicancer blood test in more than 9,900 women with no evidence or history of cancer showed the liquid biopsy test safely detected 26 undiagnosed cancers, enabling potentially curative treatment.

….. (Hentet 14.maj 2020 ) ….. <> First survey of California's bees in 50 years will look for effects of habitat destruction When you think of California in the 1970s, maj be you think of hippies, Fleetwood Mac or skateboards. But if you're an entomologist, you might think of all the natural spaces that have since been devoured by urbanization and wonder what happened to the native bees that lived in them.

….. (Hentet 18.maj 2020 ) ….. <> Fish feces reveals which species eat crown-of-thorns Crown-of-thorns starfish are on the menu for many more fish species than previously suspected, an investigation using fish poo and gut goo reveals.

….. (Hentet 22.apr.2020 ) ….. <> Fish flip a unique genetic switch in warming seas Reef fish species uniquely respond to climate change, with some more vulnerable than others.

….. (Hentet 23.apr.2020 ) ….. <> Fishers livelihood measured by more than catch Scientists throwing shade on the idea that a fisher's life is Zen, showing the arrangements before and after the fish takes the bait the must be considered to make effective and equitable policy about global fishing.

….. (Hentet 8.maj 2020 ) ….. <> Fishing can disrupt mating systems In many fish species body size plays an important role in sexual selection. Large individuals are preferred mating partners because they can enhance offspring survival by providing better quality resources than small individuals. While large females and males are often favored by sexual selection, fishing targets and removes these reproductively superior individuals.

….. (Hentet 19.maj 2020 ) ….. <> Fishing rod 'selfie stick' and scientific sleuthing turn up clues to extinct sea reptile A paleontologist visiting the Natural History Museum in London desperately wanted a good look at the skeleton of an extinct aquatic reptile, but its glass case was too far up the wall. So he attached his digital camera to a fishing rod and — with several clicks — snagged a big one, scientifically speaking.

….. (Hentet 21.apr.2020 ) ….. <> Fitbit Charge 4 Review: A Simple and Effective Fitness Tracker The new fitness tracker offers the most value for your money, like better sleep tracking—but what is sleep even anyway?

….. (Hentet 4.maj 2020 ) ….. <> Five enzymes of the Arg/N-degron pathway form a targeting complex: The concept of superchanneling [Biochemistry] The Arg/N-degron pathway targets proteins for degradation by recognizing their N-terminal (Nt) residues. If a substrate bears, for example, Nt-Asn, its targeting involves deamidation of Nt-Asn, arginylation of resulting Nt-Asp, binding of resulting (conjugated) Nt-Arg to the UBR1-RAD6 E3-E2 ubiquitin ligase, ligase-mediated synthesis of a substrate-linked polyubiquitin chain, its capture…

….. (Hentet 22.apr.2020 ) ….. <> Five Types of Research, Underexplored until Recently, Could Produce Alzheimer's Treatments Research into the brain's protein-disposal systems, electrical activity and three other areas looks promising

….. (Hentet 21.apr.2020 ) ….. <> Fixed Dose Combination Drugs: Consensi Is a Bad Example Consensi combines two drugs for high blood pressure and osteoarthritis. That doesn't make sense, and it costs $12,000 a year more than taking the individual components.

….. (Hentet 8.maj 2020 ) ….. <> Flamingos Can Be Picky About Company They don't just stand on one-leg around anybody, but often prefer certain members of the flock.

….. (Hentet 26.apr.2020 ) ….. <> Flera av världens storstäder sjunker I stora kuststäder där marken sjunker är klimatförändringarnas effekter redan synliga. På Java har det gått så långt att man beslutat flytta huvudstaden till en säkrare plats på en närliggande ö. Spela videon för att se varför havsnivåhöjningarna går så snabbt i Indonesien.

….. (Hentet 8.maj 2020 ) ….. <> Flies sleep when need arises to adapt to new situations Researchers have found that flies sleep more when they can't fly, possibly because sleeping helps them adapt to a challenging new situation.

….. (Hentet 26.apr.2020 ) ….. <> Florida: Images of the Sunshine State Florida is the third-most-populous state in the nation, home to approximately 21.5 million people. It is also the only one of the 48 contiguous states with a tropical climate, in South Florida, home to thousands of species of plants and animals. Here are a few glimpses of the landscape of Florida and some of the wildlife and people calling it home. This photo story is part of Fifty , a collection

….. (Hentet 6.maj 2020 ) ….. <> Fluorescent technique brings aging polymers to light Modern society relies on polymers, such as polypropylene or polyethylene plastic, for a wide range of applications, from food containers to automobile parts to medical devices. However, like people, polymers age, and when they do, the materials become prone to cracking or breaking. Now, researchers have developed a method to visualize variations in polymers that arise with age.

….. (Hentet 7.maj 2020 ) ….. <> Fly ash geopolymer concrete: Significantly enhanced resistance to extreme alkali attack Fly ash generated by coal-fired power stations is an environmental headache, creating groundwater and air pollution from vast landfills and ash dams. Some of the waste product can be repurposed into geopolymer concrete, such as pre-cast heat cured elements for structures.

….. (Hentet 6.maj 2020 ) ….. <> Focused ultrasound opening brain to previously impossible treatments Focused ultrasound, the researchers hope, could revolutionize treatment for conditions from Alzheimer's to epilepsy to brain tumors — and even help repair the devastating damage caused by stroke.

….. (Hentet 22.maj 2020 ) ….. <> Following in the footsteps of elephants Imagine for a moment that you're 6,000 pounds, living in one of the wildest places on Earth, with no schedule, nowhere to be. How do you decide where to spend your time? Where to go next? Do you move where food is most plentiful? Is water your main priority?

….. (Hentet 23.apr.2020 ) ….. <> Following the insect meltdown, numbers of orb web spiders have drastically declined The abundance of large orb web spiders in the Swiss midland has declined drastically over the last 40 years. The main reason for this is the shrinking food supply available to these insectivorous animals. This is demonstrated in a study conducted by researchers from the University of Basel and Ghent University (Belgium), as reported in the scientific journal Insects.

….. (Hentet 15.maj 2020 ) ….. <> Food webs determine the fate of mercury pollution in the Colorado River, Grand Canyon In the Grand Canyon reach of the Colorado River, two species play an outsized role in the fate of mercury in the aquatic ecosystem, and their numbers are altered by flood events. So reports new research, published in Science Advances, that is among the first to meld ecotoxicology and ecosystem ecology to trace how mercury flows through aquatic food webs and then spreads to land.

….. (Hentet 29.apr.2020 ) ….. <> Foot feathering birds flock genetically together Like trains running on separate but parallel tracks, sometimes the forces of evolution can affect different species running along these tracks in very similar ways.

….. (Hentet 29.apr.2020 ) ….. <> Foot feathering in domesticated breeds of pigeons and chickens use same gene regulatory networks Poultry geneticists have long studied the inheritance of a prized fancy chicken breeding trait; feathered legs.

….. (Hentet 30.apr.2020 ) ….. <> Footstep Sensors Identify People by Gait The supersensitive system can also glean clues about health

….. (Hentet 4.maj 2020 ) ….. <> Foraging Drosophila flies are open for new microbial partners Scientists have found that vinegar flies do not necessarily prefer yeasts from their natural environments, but were also attracted by yeasts found in a foreign habitat. Female flies even decided to lay eggs in presence of previously unknown yeast communities, although this reduced their offspring's chance of survival. Such processes could be a key factor that leads to the formation of niches and t

….. (Hentet 24.maj 2020 ) ….. <> Forced Social Isolation Causes Neural Craving Similar to Hunger New research highlights the profound effect of severe social isolation on the brain

….. (Hentet 29.apr.2020 ) ….. <> Forest Service debuts state-by-state statistics on carbon–fsd042820.php Overview of the status and trends of greenhouse gas emissions and removals from forest land, woodlands, hardwood products, and urban trees nationally gets 49 times better with new state-by-state reporting.

….. (Hentet 15.maj 2020 ) ….. <> Forget Exercise—These Mice Got Ripped With Gene Therapy Trying to hack fitness is a multi-million-dollar industry; we've all seen at least one ad featuring a purported miracle product that claims it can make people lose weight and look great—without even trying. From low-effort exercise machines to strange-ingredient diets to fat-burning belts and bands, there's no shortage of attempts to make it easy to be fit. A gene therapy trial performed on mice

….. (Hentet 21.apr.2020 ) ….. <> Forholdene er perfekte: I aften kan du se et stjerneskud hvert 3. minut Skyfri himmel og minimalt månelys giver optimalt udsyn, når meteorsværm topper i aften og nat.

….. (Hentet 18.maj 2020 ) ….. <> Formate dehydrogenase reduces carbon dioxide to formic acid The group clarified for the first time whether formate dehydrogenase reduces carbon dioxide, biocarbonate ion, or carbonate ion to formic acid. Points to a catalyst in developing and designing an artificial photosynthesis system that efficiently converts carbon dioxide into organic molecules.

….. (Hentet 23.apr.2020 ) ….. <> Fossil frogs offer insights into early Antarctica Researchers find first traces of amphibians.

….. (Hentet 5.maj 2020 ) ….. <> Fossil fuel-free jet propulsion with air plasmas. Scientists have developed a prototype design of a plasma jet thruster can generate thrusting pressures on the same magnitude a commercial jet engine can, using only air and electricity submitted by /u/Wagamaga [link] [comments]

….. (Hentet 6.maj 2020 ) ….. <> Fossil reveals evidence of 200-million-year-old 'squid' attack Scientists have discovered the world's oldest known example of a squid-like creature attacking its prey, in a fossil dating back almost 200 million years.

….. (Hentet 21.apr.2020 ) ….. <> Foster teens feel unready to manage mental health As they transition out of foster care, many older teens say they feel unprepared to manage their mental health needs, according to a new study. An estimated 25,000 to 28,000 older teens transition out of foster care each year in the United States. The findings provide an updated look at counseling and medication use among teens in foster care , and reports on how prepared 17-year-olds feel to man

….. (Hentet 19.maj 2020 ) ….. <> Found: Brain structure that controls our behavior Solving problems, planning one's own actions, controlling emotions — these executive functions are fundamental processes for controlling our behavior. Despite numerous indications, there has not yet been any clear evidence to support which brain areas process these abilities. A study has now succeeded in identifying the crucial region — with the help of a unique patient and the not-so-rare dys-e

….. (Hentet 20.apr.2020 ) ….. <> Four dishwashers to save you time in the kitchen Let the machine do the dishes. (Sidekix Media via Unsplash/) As a kid, it was always hard to understand why game show contestants got so excited about free dishwashers. Choose the jet ski! But after cleaning the umpteenth plate by hand, most homeowners learn that nothing beats the kitchen appliance for convenience. Today's washers are designed to save water, take up less space, use less energy, a

….. (Hentet 15.maj 2020 ) ….. <> Four species of Elvis worm identified on the deep sea floor A team of researchers from the University of California and CNRS-Sorbonne Université has identified four species of deep-sea worms that until now have been referred to as Elvis worms. In their paper published in the journal ZooKeys, the group describes the worms, how they were named, and some odd behavior they managed to capture on video.

….. (Hentet 5.maj 2020 ) ….. <> Four years of calculations lead to new insights into muon anomaly Two decades ago, an experiment pinpointed a mysterious mismatch between established particle physics theory and actual lab measurements. Researchers have used a supercomputer to help narrow down the possible explanations for the discrepancy, delivering a newly precise theoretical calculation that refines one piece of this very complex puzzle.

….. (Hentet 27.apr.2020 ) ….. <> Fracking and earthquake risk Earthquakes caused by hydraulic fracturing can damage property and endanger lives. Stanford researchers have developed new guidelines for when to slow or halt fracking operations based on local risks.

….. (Hentet 11.maj 2020 ) ….. <> FreshDirect depot brings increased traffic to South Bronx The 2018 opening of the FreshDirect warehouse in Mott Haven, Bronx, significantly increased truck and vehicle flow within that neighborhood, according to a study led by scientists at Columbia University Mailman School of Public Health. Increases in traffic translated into small increases in air pollution and noise. Results are published in the International Journal of Environmental Research and Pu

….. (Hentet 21.apr.2020 ) ….. <> From photosynthesis to photocatalysis: Dual catalytic oxidation/reduction in one system [Engineering] Natural photosynthetic systems and photocatalysis share several fundamental processes in common including light energy conversion and utilization, such as exciton (excited state) generation/splitting and charge migration. The high efficiency of light conversion to chemical redox equivalents in natural photosynthesis is achieved by an electron transfer cascade resulting in a long-distance…

….. (Hentet 22.maj 2020 ) ….. <> Fruit fly study unlocks insights into human mating rituals A new study from Western identifies a specific gene in fruit flies that drives female mate acceptance and rejection—a vital discovery for understanding how all species, including humans, survive and thrive on Earth.

….. (Hentet 24.apr.2020 ) ….. <> Fueling the world sustainably: Synthesizing ammonia using less energy Scientists at Tokyo Tech have developed an improved catalyst by taking the common dehydrating agent calcium hydride and adding fluoride to it. The catalyst facilitates the synthesis of ammonia at merely 50 °C, by using only half the energy that existing techniques require. This opens doors to ammonia production with low energy consumption and reduced greenhouse gas emission.

….. (Hentet 21.apr.2020 ) ….. <> Fujifilm's Street-Friendly X100V Checks All the Boxes The latest model in the series features top-tier image quality, responsive controls, and a portable design that oozes retro charm.

….. (Hentet 21.maj 2020 ) ….. <> Fungal disease meets its match [no content]

….. (Hentet 13.maj 2020 ) ….. <> Fur-baby sick? Start-up takes telemedicine to pets' parents My Virtual Veterinarian, founded by Wharton School graduate Felicity Johnson, is a veterinary portal for pet owners, and allows animals to receive medical care any time they need it—all through telemedicine.

….. (Hentet 27.apr.2020 ) ….. <> Further reading The Respected Comrade; food banks; Cummings; the East Coast response; and more.

….. (Hentet 21.apr.2020 ) ….. <> Fusion Energy Gets Ready to Shine—Finally Three decades and $23.7 billion later, the 25,000-ton International Thermonuclear Experimental Reactor is close to becoming something like the sun.

….. (Hentet 11.maj 2020 ) ….. <> Future information technologies: 3-D quantum spin liquid revealed Quantum spin liquids are candidates for potential use in future information technologies. So far, quantum spin liquids have usually only been found in one or two dimensional magnetic systems only. Now an international team led by HZB scientists has investigated crystals of PbCuTe2O6 with neutron experiments at ISIS, NIST and ILL.

….. (Hentet 25.apr.2020 ) ….. <> Första grodan hittad på Antarktis Svensk forskare har upptäckt fossil av en modern groda på Antarktis. Den har sina närmaste nu levande släktingar i de chilenska Anderna, men har även släktingar i Australien. Det visar att de tre kontinenterna satt ihop för 40 miljoner år sedan.

….. (Hentet 19.maj 2020 ) ….. <> Galactic cosmic rays now available for study on Earth, thanks to NASA To better understand and mitigate the health risks faced by astronauts from exposure to space radiation, we ideally need to be able to test the effects of galactic cosmic rays (GCRs) here on Earth under laboratory conditions. An article publishing on maj 19, 2020, in the open-access journal PLOS Biology from Lisa Simonsen and colleagues at the NASA Langley Research Center, USA, describes how NASA

….. (Hentet 30.apr.2020 ) ….. <> Galileo's Lessons for Living and Working Through a Plague An outbreak in Italy in the 1630s forced him to find new ways of doing his research and connecting with family

….. (Hentet 23.apr.2020 ) ….. <> Game theory suggests more efficient cancer therapy Mathematicians are using game theory to model how this competition could be leveraged, so cancer treatment — which also takes a toll on the patient's body — might be administered more sparingly, with maximized effect.

….. (Hentet 19.maj 2020 ) ….. <> Game-changing technologies to transform food systems In the next three decades, humans will need a 30 to 70 percent increase in food availability to meet the demand from an increasing population. And the global food system will need to change profoundly if it is going to provide humanity with healthy food that is grown sustainably in ways that are not only resilient in the face of climate change, but also do not surpass planetary boundaries.

….. (Hentet 30.apr.2020 ) ….. <> 'Gargantuan' hail in Argentina may have smashed world record A supercell thunderstorm pelted a city center in Argentina a few years ago with hailstones so large scientists suggested a new category to describe them—gargantuan hail.

….. (Hentet 7.maj 2020 ) ….. <> Gemini gets lucky and takes a deep dive into Jupiter's clouds Researchers using a technique known as 'lucky imaging' with the Gemini North telescope on Hawaii's Maunakea have collected some of the highest resolution images of Jupiter ever obtained from the ground. These images are part of a multi-year joint observing program with the Hubble Space Telescope in support of NASA's Juno mission.

….. (Hentet 21.apr.2020 ) ….. <> Gene discovery only adds to pregnancy mystery New results from research on a gene that helps women stay pregnant, the progesterone receptor gene, only add to the mysteries of pregnancy, researchers report. From an evolutionary perspective, human pregnancy is quite strange, says Vincent Lynch, an assistant professor of biological sciences at the University at Buffalo. "For example, we don't know why human women go into labor," Lynch says. "Hu

….. (Hentet 21.apr.2020 ) ….. <> Gene drive and resilience through renewal with next generation Cleave and Rescue selfish genetic elements [Genetics] Gene drive-based strategies for modifying populations face the problem that genes encoding cargo and the drive mechanism are subject to separation, mutational inactivation, and loss of efficacy. Resilience, an ability to respond to these eventualities in ways that restore population modification with functional genes, is needed for long-term success. Here,…

….. (Hentet 8.maj 2020 ) ….. <> Gene therapy in mice builds muscle, reduces fat submitted by /u/Fascinax [link] [comments]

….. (Hentet 23.apr.2020 ) ….. <> Gene-editing protocol for whitefly pest opens door to control Whiteflies are among the most important agricultural pests in the world, yet they have been difficult to genetically manipulate and control, in part, because of their small size. An international team of researchers has overcome this roadblock by developing a CRISPR/Cas9 gene-editing protocol that could lead to novel control methods for this devastating pest.

….. (Hentet 14.maj 2020 ) ….. <> General descriptor sparks advancements in dye chemistry There is an ongoing demand in biological research to accelerate the development of fluorescent probes based on the photo-induced electron transfer (PET) mechanism. By modulating PET formations, these probes significantly change fluorescence intensities, allowing a convenient route to monitor analytes or environmental changes with high sensitivity, vivid visibility and excellent spatiotemporal reso

….. (Hentet 12.maj 2020 ) ….. <> Genes may play a role in weight gain from birth control A woman's genetic make-up maj cause her to gain weight when using a popular form of birth control.

….. (Hentet 21.maj 2020 ) ….. <> Genetic barcodes can ensure authentic DNA fingerprints Engineers have demonstrated a method for ensuring that an increasingly popular method of genetic identification called "DNA fingerprinting" remains secure against inadvertent mistakes or malicious attacks in the field. The technique relies on introducing genetic "barcodes" to DNA samples as they are collected and securely sending information crucial to identifying these barcodes to technicians

….. (Hentet 14.maj 2020 ) ….. <> Genetic origins of hybrid dysfunction Evolutionary biologists studying populations of hybrid fish have found two genes that contribute to melanoma – only the second time people have identified specific genes associated with dysfunction in hybrid vertebrates.

….. (Hentet 21.maj 2020 ) ….. <> Genetic study suggests domestic goats got pathogen-resistant gene from wild relatives An international team of researchers has found evidence that suggests wild relatives of domestic goats passed on a gene to their domesticated relatives that boosts their pathogen resistance. In their paper published in the journal Science Advances, the group describes their study of goat genetic history and what they learned from it.

….. (Hentet 5.maj 2020 ) ….. <> Genetic study ties higher alcohol consumption to increased stroke and PAD risk Using genetic analysis, researchers found higher alcohol consumption increased risks for stroke and peripheral artery disease (PAD).Studies using genetic analysis don't rely on observational data, which often use self-reported data and could be subject to unreported risk factors.

….. (Hentet 19.maj 2020 ) ….. <> Genetic tradeoffs do not stop evolution of antibiotic resistance Bacteria can still develop antibiotic resistance even in the face of challenging genetic tradeoffs, or compromises, associated with varying antibiotic concentrations, says a new study published today in eLife.

….. (Hentet 5.maj 2020 ) ….. <> Genetic variation in a brain-cleansing water channel affects human sleep The reason why we sleep remains an unresolved question of the 21st century. Research now shows that the depth of non-rapid-eye-movement (nonREM) sleep in humans is associated with different genetic versions of a gene that encodes a water channel involved in fluid flow in the brain.

….. (Hentet 13.maj 2020 ) ….. <> Genome of beloved sea otter Gidget now available for browsing A sea otter genome browser—featuring the Monterey Bay Aquarium's beloved Gidget—is now available to the public. The visualizable genome for the Southern sea otter, Enhydra lutris nereis, comes following work by the National Center for Biotechnology Information (NCBI) and UC Santa Cruz software bioinformaticians to make available the first complete southern sea otter genome sequenced by researchers

….. (Hentet 18.maj 2020 ) ….. <> Genome study links DNA changes to the risks of specific breast cancer subtypes An analysis of genetic studies covering 266,000 women has revealed 32 new sites on the human genome where variations in DNA appear to alter the risks of getting breast cancer.

….. (Hentet 21.apr.2020 ) ….. <> Genome-wide association studies and Mendelian randomization analyses for leisure sedentary behaviours Nature Communications, Published online: 21 April 2020; doi:10.1038/s41467-020-15553-w Epidemiological studies have shown an association between sedentary behaviours and cardiovascular disease risk. Here, van de Vegte et al. perform GWAS for self-reported sedentary behaviours (TV watching, computer use, driving) and Mendelian randomization analyses to explore potential causal relationships with c

….. (Hentet 21.apr.2020 ) ….. <> Genomic release-recapture experiment in the wild reveals within-generation polygenic selection in stickleback fish Nature Communications, Published online: 21 April 2020; doi:10.1038/s41467-020-15657-3 Empirical examples documenting the pace of adaptation across the whole genome in wild populations are scarce. Here the authors study wild stickleback populations from lake and stream habitats and show that there is a genome-wide signature of adaptation to stream habitats within just one generation.

….. (Hentet 18.maj 2020 ) ….. <> Genomic selection in dairy cows creates opportunities not possible with traditional selection Genomic selection has become a critical tool for the dairy industry around the world since genomic evaluations were first implemented in the United States and Canada in 2009. The 2019 ADSA Annual Meeting featured the Joint ADSA/Interbull Breeding and Genetics Symposia titled "Ten Years of Genomic Selection" and "Data Pipelines for Implementation of Genomic Evaluation of Novel Traits." Because of g

….. (Hentet 21.apr.2020 ) ….. <> Geolocators give new insights into nesting behavior of godwits To find out more about birds such as the black-tailed godwit, ecologists have been conducting long-term population studies using standardized information on reproductive behaviour—such as dates of egg-laying or hatching and levels of chick survival. New information gathered using geolocators on godwits in the Netherlands shows that traditional observation methods can lead to inaccurate data. The s

….. (Hentet 29.apr.2020 ) ….. <> Geometric charges and nonlinear elasticity of two-dimensional elastic metamaterials [Physics] Problems of flexible mechanical metamaterials, and highly deformable porous solids in general, are rich and complex due to their nonlinear mechanics and the presence of nontrivial geometrical effects. While numeric approaches are successful, analytic tools and conceptual frameworks are largely lacking. Using an analogy with electrostatics, and building on recent…

….. (Hentet 21.apr.2020 ) ….. <> Geophysicist remains optimistic for Arctic ozone layer despite huge hole A University of Huddersfield scientist is scheduled to head back to the Arctic, where he is an experienced researcher of changes in its ice fields and their impact on climate change.

….. (Hentet 26.apr.2020 ) ….. <> German shops reopen but celebrations in Berlin muted Nation seen as test case but retailers fear sales will collapse if consumers continue to stay away

….. (Hentet 26.apr.2020 ) ….. <> Germany's Most Important River Is Drying Out. Europe's biggest economy has received just 5% of its normal April rainfall so far, according to Germany's federal weather service. It's on course to be the driest month since records began in 1881. submitted by /u/Wagamaga [link] [comments]

….. (Hentet 18.maj 2020 ) ….. <> Gestures heard as well as seen Gesturing with the hands while speaking is a common human behavior, but no one knows why we do it. Now, a group of UConn researchers reports in the maj 11 issue of PNAS that gesturing adds emphasis to speech–but not in the way researchers had thought.

….. (Hentet 23.apr.2020 ) ….. <> Giant 'teenager' shark from the dinosaur era identified from vertebrae remains Scientists of the University of Vienna have examined parts of a vertebral column found in northern Spain in 1996, and assigned it to the extinct shark group Ptychodontidae. In contrast to teeth, shark vertebrae bear biological information like body size, growth and age, which allowed the team of Patrick L. Jambura to gain new insights into the biology of this mysterious shark group.

….. (Hentet 28.apr.2020 ) ….. <> Glacier detachments: A new hazard in a warming world? On the evening of 5 August 2013, a startling event occurred deep in the remote interior of the United States' largest national park. A half-kilometer-long tongue of Alaska's Flat Creek glacier suddenly broke off, unleashing a torrent of ice and rock that rushed 11 kilometers down a rugged mountain valley into the wilderness encompassed by Wrangell-St. Elias National Park and Preserve.

….. (Hentet 21.apr.2020 ) ….. <> Glaucoma could be successfully treated with gene therapy A new study has shown a common eye condition, glaucoma, could be successfully treated with a single injection using gene therapy, which would improve treatment options, effectiveness and quality of life for many patients.

….. (Hentet 27.apr.2020 ) ….. <> Global control of bacterial nitrogen and carbon metabolism by a PTSNtr-regulated switch [Agricultural Sciences] The nitrogen-related phosphotransferase system (PTSNtr) of Rhizobium leguminosarum bv. viciae 3841 transfers phosphate from PEP via PtsP and NPr to two output regulators, ManX and PtsN. ManX controls central carbon metabolism via the tricarboxylic acid (TCA) cycle, while PtsN controls nitrogen uptake, exopolysaccharide production, and potassium homeostasis, each of which…

….. (Hentet 15.maj 2020 ) ….. <> Global cooling event 4,200 years ago spurred rice's evolution, spread across Asia A major global cooling event that occurred 4,200 years ago maj have led to the evolution of new rice varieties and the spread of rice into both northern and southern Asia, an international team of researchers has found.

….. (Hentet 18.maj 2020 ) ….. <> Global study confirms influential theory behind loss aversion A new global study offers a powerful confirmation of one of the most influential frameworks in all of the behavioral sciences and behavioral economics: prospect theory, which when introduced in 1979, led to a sea change in understanding the irrational and paradoxical ways individuals make decisions and interpret risk with major impacts for science, policy, and industry. Led by a Columbia Universit

….. (Hentet 7.maj 2020 ) ….. <> Global trade in soy has major implications for the climate The extent to which Brazilian soy production and trade contribute to climate change depends largely on the location where soybeans are grown. This is shown by a recent study conducted by the University of Bonn together with partners from Spain, Belgium and Sweden. In some municipalities, CO2 emissions resulting from the export of soybean and derivatives are more than 200 times higher than in other

….. (Hentet 27.apr.2020 ) ….. <> Global-scale brittle plastic rheology at the cometesimals merging of comet 67P/Churyumov-Gerasimenko [Earth, Atmospheric, and Planetary Sciences] Observations of comet nuclei indicate that the main constituent is a mix of ice and refractory materials characterized by high porosity (70–75%) and low bulk strength (10−4–10−6 MPa); however, the nature and physical properties of these materials remain largely unknown. By combining surface inspection of comet 67P/Churyumov–Gerasimenko and three-dimensional (3D)…

….. (Hentet 22.maj 2020 ) ….. <> Glucose levels linked to maternal mortality even in non-diabetic women An elevated pre-pregnancy hemoglobin A1c–which measures average blood glucose concentration–is associated with a higher risk of adverse pregnancy outcomes even in women without known diabetes, according to a new study published this week in PLOS Medicine by Joel Ray of ICES and the University of Toronto, Canada, and colleagues.

….. (Hentet 29.apr.2020 ) ….. <> Going beyond political borders to protect threatened animals During a global extinction crisis and rapidly changing world, many nations are now looking to harden their borders to restrict the movement of people.

….. (Hentet 20.maj 2020 ) ….. <> Going nuclear on the moon and Mars It might sound like science fiction, but scientists are preparing to build colonies on the moon and, eventually, Mars. With NASA planning its next human mission to the moon in 2024, researchers are looking for options to power settlements on the lunar surface. According to a new article in Chemical & Engineering News, the weekly newsmagazine of the American Chemical Society, nuclear fission reacto

….. (Hentet 23.apr.2020 ) ….. <> Good news for the wheat-sensitive among us New research has revealed key insights about the proteins causing two of the most common types of wheat sensitivity – non-celiac wheat sensitivity and occupational asthma (baker's asthma).

….. (Hentet 21.maj 2020 ) ….. <> Good timing for microwave technology [no content]

….. (Hentet 22.maj 2020 ) ….. <> Google search data reveals American's concerns about abortion Residents of states with limited access to contraceptives and high rates of unplanned pregnancies are more likely to turn to the internet for information about abortion. These are the findings of a new study of Google search data across all 50 states by researchers at the University of California, Berkeley.

….. (Hentet 25.apr.2020 ) ….. <> Google's AI Can Design Computer Chips In Under 6 Hours submitted by /u/CodePerfect [link] [comments]

….. (Hentet 21.apr.2020 ) ….. <> Google's Head of Quantum Computing Hardware Resigns John Martinis brought a long record of quantum computing breakthroughs when he joined Google in 2014. He quit after being reassigned to an advisory role.

….. (Hentet 8.maj 2020 ) ….. <> Gorillas have surprisingly active social lives The social lives of gorillas are much more dynamic than previously thought, particularly with regard to interactions between neighboring groups, researchers report. In a new study, they found that encounters between gorilla groups were much more frequent, and that they had more varied social exchanges than expected. Further, these interactions seemed to be driven more by defense of mates than foo

….. (Hentet 21.apr.2020 ) ….. <> Got seasonal allergies? Beetles could help Allergies caused by the common ragweed, Ambrosia artemisiifolia, impact millions, and in Europe alone, around 13.5 million people suffer with symptoms, resulting in 7.4 billion Euros worth of health costs per year, according to the research. The study suggests the leaf beetle, Ophraella communa, could reduce the number of people affected by the pollen and the associated economic impacts, since the

….. (Hentet 5.maj 2020 ) ….. <> Grandfamilies: New study uncovers common themes and challenges in kinship care The opioid crisis and other social issues have left millions of US grandparents raising their grandchildren. A new study offers a framework to help social workers develop best practices for grandfamilies, addressing the relationship, situational, and emotional complexities of kinship care.

….. (Hentet 18.maj 2020 ) ….. <> Graphene-reinforced carbon fiber may lead to affordable, stronger car materials A new way of creating carbon fibers—which are typically expensive to make—could one day lead to using these lightweight, high-strength materials to improve safety and reduce the cost of producing cars, according to a team of researchers. Using a mix of computer simulations and laboratory experiments, the team found that adding small amounts of the 2-D graphene to the production process both reduce

….. (Hentet 20.maj 2020 ) ….. <> Grasshoppers are perfectly aware of their own coloration when trying to camouflage A research team from the Pablo de Olavide University of Seville, led by Pim Edelaar, has carried out an experimental study that shows that grasshoppers are perfectly aware of their own colouration when choosing the place that provides them with better camouflage. The research findings, published in the journal Proceedings of the Royal Society B, show how organisms are able to adjust their environm

….. (Hentet 27.apr.2020 ) ….. <> Grassland studies, radar-tracked bumblebees offer clues for protecting pollinators Scientists used a radar to track a bumblebee from its maiden flight until death for the first time as part of wider research racing to understand the impact and needs of declining bee populations, including on Europe's fragmented biodiversity hotspots—grasslands.

….. (Hentet 27.apr.2020 ) ….. <> Gravitational lensing, by Hubble We look back on some of the telescope's finest work.

….. (Hentet 30.apr.2020 ) ….. <> Gravitational waves could prove the existence of the quark-gluon plasma According to modern particle physics, matter produced when neutron stars merge is so dense that it could exist in a state of dissolved elementary particles. This state of matter, called quark-gluon plasma, might produce a specific signature in gravitational waves. Physicists have now calculated this process using supercomputers.

….. (Hentet 20.maj 2020 ) ….. <> Great potential in regulating plant greenhouse gas emissions New discoveries on the regulation of plant emissions of isoprenoids can help in fighting climate change – and can become key to the production of valuable green chemicals.

….. (Hentet 25.apr.2020 ) ….. <> Green light for 2.5GW New York offshore wind sale submitted by /u/V2O5 [link] [comments]

….. (Hentet 1.maj 2020 ) ….. <> Green method could enable hospitals to produce hydrogen peroxide in house A team of researchers has developed a portable, more environmentally friendly method to produce hydrogen peroxide. It could enable hospitals to make their own supply of the disinfectant on demand and at lower cost.

….. (Hentet 8.maj 2020 ) ….. <> Growing back the lymph system A team including University of Georgia researchers has for the first time documented the regrowth of surgically removed pathways in the lymphatic system, a network of vessels designed to pump away inflammatory fluids and defend the body against infection.

….. (Hentet 12.maj 2020 ) ….. <> Growing mountains or shifting ground: What is going on in Earth's inner core? Exhaustive seismic data from repeating earthquakes and new data-processing methods have yielded the best evidence yet that the Earth's inner core is rotating—revealing a better understanding of the hotly debated processes that control the planet's magnetic field.

….. (Hentet 23.maj 2020 ) ….. <> Gut Microbes May Be Key to Solving Food Allergies New therapeutics are testing whether protective bacteria can dampen harmful immune responses to food

….. (Hentet 20.apr.2020 ) ….. <> Gypsy moth larvae love poplar leaves infected by fungi Black poplar leaves infected by fungi are especially susceptible to attack by gypsy moth caterpillars. A research team found that young larvae that fed on leaves covered with fungal spores grew faster and pupated earlier than those feeding only on leaf tissue. The results shed new light on the co-evolution of plants and insects, in which microorganisms play a much greater role than previously assu

….. (Hentet 26.apr.2020 ) ….. <> Half of SMEs in UK will run out of cash in 12 weeks, finds survey Research by accountancy network reveals 7 in 10 respondents have lost half their revenue

….. (Hentet 21.apr.2020 ) ….. <> Hancock under pressure over testing as blame game begins Health secretary has committed UK to 100,000 daily tests by end of April

….. (Hentet 27.apr.2020 ) ….. <> Harnessing cellular power to meet global challenges For José Avalos' research team, the intricate, small-scale work of bioengineering could hold the key to solving global challenges in renewable energy and sustainable manufacturing.

….. (Hentet 28.apr.2020 ) ….. <> Harnessing psyllid peptides to fight citrus greening disease Citrus greening disease, also called huanglongbing (HLB), is a bacterial infection of citrus trees that results in small, misshapen and sour fruits that are unsuitable for consumption, ultimately killing the tree. Because there is no cure, HLB is a major threat to the $10 billion citrus industry in Florida, where it was first detected in 2005, and to the $7 billion industry in California, where it

….. (Hentet 20.apr.2020 ) ….. <> Harnessing the moonseed plant's chemical know-how In overgrown areas from Canada to China, a lush, woody vine with crescent-shaped seeds holds the secret to making a cancer-fighting chemical. Now, Whitehead Institute researchers in Member Jing-Ke Weng's lab have discovered how the plants do it.

….. (Hentet 26.apr.2020 ) ….. <> Has anyone seen this ? It's got partners and potential commercialisation. Is it real or just another pipedream. 2k is just massive. submitted by /u/joj1205 [link] [comments]

….. (Hentet 11.maj 2020 ) ….. <> Hayabusa2 reveals more secrets from Ryugu In February and July of 2019, the Hayabusa2 spacecraft briefly touched down on the surface of near-Earth asteroid Ryugu. The readings it took with various instruments at those times have given researchers insight into the physical and chemical properties of the 1-kilometer-wide asteroid. These findings could help explain the history of Ryugu and other asteroids, as well as the solar system at larg

….. (Hentet 21.apr.2020 ) ….. <> Health Care Workers Are Scared, Sad, Exhausted—and Angry Leaders from hospital administrators to the president have failed them and betrayed their trust

….. (Hentet 11.maj 2020 ) ….. <> Healthy eating behaviors in childhood may reduce the risk of adult obesity and heart disease Encouraging children to make their own decisions about food, within a structured environment focused on healthy food choices, has been linked to better childhood nutrition and healthier lifelong eating behaviors.Parents and caregivers can play a significant role in creating an environment that helps children develop healthier eating behaviors early in life, which can reduce the risk for overweight

….. (Hentet 11.maj 2020 ) ….. <> Healthy gut microbiomes can influence farmed fish We've all probably heard or read something about how a healthy gut microbiome can affect our overall health. The gut microbiome is as vital to animals and fish as it is to us humans.

….. (Hentet 28.apr.2020 ) ….. <> Heart disease more likely for adults with dysfunctional childhoods Children who experience trauma, abuse, neglect and family dysfunction are at increased risk of having heart disease in their 50s and 60s. People exposed to the highest levels of childhood family environment adversity were more than 50% more likely to have a cardiovascular disease event such as a heart attack or stroke over a 30-year follow-up.

….. (Hentet 27.apr.2020 ) ….. <> Heart-brain interactions shape somatosensory perception and evoked potentials [Neuroscience] Even though humans are mostly not aware of their heartbeats, several heartbeat-related effects have been reported to influence conscious perception. It is not clear whether these effects are distinct or related phenomena, or whether they are early sensory effects or late decisional processes. Combining electroencephalography and electrocardiography, along with signal…

….. (Hentet 8.maj 2020 ) ….. <> Heat and Humidity Are Already Reaching the Limits of Human Tolerance Events with extreme temperatures and humidity are occurring twice as often now as they were 40 years ago

….. (Hentet 29.apr.2020 ) ….. <> Heat-friendly microbes provide efficient way to biodegrade plastic Researchers in China have engineered a microbe that shows promise as the foundation of an efficient way to break down polyethylene terephthalate (PET), a common plastic fiber used to manufacture clothing and disposable consumer products. The researchers published their findings in Microbial Biotechnology on April 28, 2020.

….. (Hentet 21.apr.2020 ) ….. <> Heavy cost of excessive drinking on people's decision making A new study highlights how hangover inhibits individuals' 'core executive functions' with knock-on impacts for those currently working from home.

….. (Hentet 20.maj 2020 ) ….. <> Hello, I'm Your Doctor. Please Go Home We need to get patients out of the hospital as quickly as possible if we want them to heal

….. (Hentet 20.apr.2020 ) ….. <> Help us college kids with our project doing a 6 -8 minute survey. We designed a creative system, COVIS – Creative Orchestration of Visually-Inspired Semantics, that creates music to accompany pictures. This system analyzes an images for emotions and themes then composes accompanying music! submitted by /u/SvelterPython [link] [comments]

….. (Hentet 22.apr.2020 ) ….. <> Herd of dugongs sighted off the coast of Thai island Mesmerising aerial images showed a herd of more than 30 dugongs drifting serenely off the coast of a Thai island on Wednesday.

….. (Hentet 21.apr.2020 ) ….. <> Here's How You Can Catch The Peak of The Lyrids Meteor Shower This Week It's an ideal year for it!

….. (Hentet 26.apr.2020 ) ….. <> Here's the problem with the commercialization of Earth observation: it inevitably involves business people… submitted by /u/curmudgeonlynumb [link] [comments]

….. (Hentet 6.maj 2020 ) ….. <> Here's The Real Truth About Those Viral Photos of 'Sand After a Lightning Strike' Don't believe everything you see online.

….. (Hentet 1.maj 2020 ) ….. <> Hidden symmetry found in chemical kinetic equations Rice University researchers have discovered a hidden symmetry in the chemical kinetic equations scientists have long used to model and study many of the chemical processes essential for life.

….. (Hentet 20.maj 2020 ) ….. <> High blood pressure during exercise may be a serious warning sign Higher blood pressure during exercise and delayed blood pressure recovery afterward associate with a higher risk of hypertension, preclinical and clinical heart disease, and death among middle-aged to older adults, researchers report. Blood pressure responses to exercise are significant markers of cardiovascular disease and mortality risk in young to middle-aged adults. However, few studies have

….. (Hentet 30.apr.2020 ) ….. <> High cost of cancer drugs not always justified Do high prices of some cancer medicines have a higher benefit than those drugs with lower prices? An international UZH study has concluded that, in general, there is no correlation between costs of a cancer drugs and their clinical benefit. The researchers are therefore calling for the clinical benefit of drugs to be better reflected in pricing.

….. (Hentet 23.apr.2020 ) ….. <> High density EEG produces dynamic image of brain signal source Marking a major milestone on the path to meeting the objectives of the NIH BRAIN initiative, researchers advance high-density electroencephalography (EEG) as the future paradigm for dynamic functional neuroimaging.

….. (Hentet 18.maj 2020 ) ….. <> High five! It's possible to create proximity online Despite physical distance, it's possible to create proximity between family members located in different places. This is according to a study that has investigated how video calls bring family members together. The results show that proximity in video calls is established mainly by way of the body and the senses, e.g. by giving a digital high five.

….. (Hentet 20.maj 2020 ) ….. <> High variability is result of complex data workflows A new study offers new evidence that the complexity of contemporary analytical methods in science contributes to the variability of research outcomes.

….. (Hentet 29.apr.2020 ) ….. <> Higher thrombus risk in men with obesity in adolescence Men with a history of obesity in their late teens are, in adult life, more at risk of a blood clot (thrombus) in a leg or lung, according to a study from the University of Gothenburg study shows. The risk rises successively and is highest in those who were severely obese in adolescence.

….. (Hentet 18.maj 2020 ) ….. <> Highly efficient charge-to-spin interconversion in graphene heterostructures KAIST physicists described a route to design the energy-efficient generation, manipulation and detection of spin currents using nonmagnetic two-dimensional materials. The research team, led by Professor Sungjae Cho, observed highly efficient charge-to-spin interconversion via the gate-tunable Rashba-Edelstien effect (REE) in graphene heterostructures.

….. (Hentet 7.maj 2020 ) ….. <> Highly efficient hydrogen gas production using sunlight, water and hematite Hydrogen is a possible next generation energy solution, and it can be produced from sunlight and water using photocatalysts. A research group has now developed a strategy that greatly increases the amount of hydrogen produced using hematite photocatalysts. In addition to boosting the high efficiency of what is thought to be the world's highest performing photoanode, this strategy will be applied t

….. (Hentet 21.apr.2020 ) ….. <> High-performance electrolyte solves battery puzzle Lithium ion batteries have already become an integral part of our everyday life. However, our energy-hungry society demands longer life, faster charging, and lighter batteries for a variety of applications from electric vehicles to portable electronics, including lightening the load a soldier carries as numerous electronics become adopted by the Army.

….. (Hentet 21.apr.2020 ) ….. <> High-quality boron nitride grown at atmospheric pressure Graphene Flagship researchers reported a significant step forward in growing monoisotopic hexagonal boron nitride at atmospheric pressure for the production of large and very high-quality crystals.

….. (Hentet 7.maj 2020 ) ….. <> High-resolution mapping of cell types with improved single-cell sequencing Single-cell RNA sequencing (scRNA-seq) has revolutionized the ability to characterize cell types and their gene expression programs in organisms and tissues. Although great improvements in cellular throughput have been made, methods generally suffer from low sensitivity and quantification that is limited to short RNA pieces. Now, researchers at Karolinska Institutet have released Smart-seq3 that g

….. (Hentet 27.apr.2020 ) ….. <> High-speed interferometric imaging reveals dynamics of neuronal deformation during the action potential [Applied Physical Sciences] Neurons undergo nanometer-scale deformations during action potentials, and the underlying mechanism has been actively debated for decades. Previous observations were limited to a single spot or the cell boundary, while movement across the entire neuron during the action potential remained unclear. Here we report full-field imaging of cellular deformations accompanying…

….. (Hentet 23.apr.2020 ) ….. <> High-throughput antibody screening from complex matrices using intact protein electrospray mass spectrometry [Biochemistry] Toward the goal of increasing the throughput of high-resolution mass characterization of intact antibodies, we developed a RapidFire–mass spectrometry (MS) assay using electrospray ionization. We achieved unprecedented screening throughput as fast as 15 s/sample, which is an order of magnitude improvement over conventional liquid chromatography (LC)-MS approaches. The screening enabled…

….. (Hentet 15.maj 2020 ) ….. <> HIV-1 viral cores enter nucleus collectively through nuclear endocytosis-like pathway In a study published online in Science China Life Sciences on maj 15, ZHANG Xian-En's team from Institute of Biophysics of the Chinese Academy of Sciences and collaborators discovered how HIV-1 viral cores can enter the nucleus. The researchers made their observations by combining cellular molecular imaging and electron microscopy.

….. (Hentet 21.apr.2020 ) ….. <> Hog1 activation delays mitotic exit via phosphorylation of Net1 [Cell Biology] Adaptation to environmental changes is crucial for cell fitness. In Saccharomyces cerevisiae, variations in external osmolarity trigger the activation of the stress-activated protein kinase Hog1 (high-osmolarity glycerol 1), which regulates gene expression, metabolism, and cell-cycle progression. The activation of this kinase leads to the regulation of G1, S, and G2…

….. (Hentet 24.apr.2020 ) ….. <> Holistic approach best for tackling nonmedical drug use, study finds Health practitioners are constantly developing new ways to help those with drug and alcohol addictions wean themselves from their substance of choice. Most such programs have limited success, however. A new study finds that interventions that take a multidimensional approach — tackling the biological, social, environmental and mental health obstacles to overcome while also addressing a person's s

….. (Hentet 21.apr.2020 ) ….. <> Holistic way to measure the economic fallout from earthquakes Officials know how to account for deaths, injuries and property damages after the shaking stops, but a study based on a hypothetical 7.2 magnitude quake near San Francisco, describes the first way to estimate the far greater financial fallout that such a disaster would have, especially on the poor.

….. (Hentet 27.apr.2020 ) ….. <> Honey bees could help monitor fertility loss in insects due to climate change New research from the University of British Columbia and North Carolina State University could help scientists track how climate change is impacting the birds and the bees… of honey bees.

….. (Hentet 27.apr.2020 ) ….. <> Honey-bee-associated prokaryotic viral communities reveal wide viral diversity and a profound metabolic coding potential [Microbiology] Honey bees (Apis mellifera) produce an enormous economic value through their pollination activities and play a central role in the biodiversity of entire ecosystems. Recent efforts have revealed the substantial influence that the gut microbiota exert on bee development, food digestion, and homeostasis in general. In this study, deep sequencing…

….. (Hentet 7.maj 2020 ) ….. <> Hong Kong customs seize 38,500 endangered shark fins Hong Kong has seized 26 tonnes of smuggled shark fins, sliced from some 38,500 endangered animals, in the largest bust of its kind in the southern Chinese city.

….. (Hentet 21.apr.2020 ) ….. <> Hope for baobab on the brink as thousands of trees are planted in Madagascar Even giant trees begin their life as humble seeds.

….. (Hentet 6.maj 2020 ) ….. <> Horses Recognize Pics of Their Keepers Horses picked out photos of their current keepers, and even former keepers whom they had not seen in months, at a rate much better than chance.

….. (Hentet 22.maj 2020 ) ….. <> How a male fly knows when to make a move on a mate Much like people, fruit flies must decide when the time and place are right to make a move on a mate. Male fruit flies use cues such as age and pheromones to gauge their chances of success, but just how they do that on a molecular level was a mystery.

….. (Hentet 13.maj 2020 ) ….. <> How a mint became catmint Catmint, also known as catnip, is well-known for its intoxicating effect on cats. The chemical responsible for the cats' strange behavior is nepetalactone, a volatile iridoid produced by catmint. An international team of researchers has now found through genome analysis that the ability to produce iridoids had already been lost in ancestors of catmint in the course of evolution. Hence, nepetalacto

….. (Hentet 8.maj 2020 ) ….. <> How a molecular 'alarm' system in plants protects them from predators Some plants, like soybean, are known to possess an innate defense machinery that helps them develop resistance against insects trying to feed on them. However, exactly how these plants recognize signals from insects has been unknown until now. Scientists have now uncovered the cellular pathway that helps these plants to sense danger signals and elicit a response, opening doors to a myriad of agric

….. (Hentet 8.maj 2020 ) ….. <> How a molecular 'alarm' system protects plants from predators In nature, every species must be equipped with a strategy to survive in response to danger. Plants, too, have innate systems that are triggered in response to a particular threat, such as insects feeding on them. For example, some plants sense herbivore-derived danger signals (HDS), which are specific chemicals in oral secretions of insects. This activates a cascade of events in the plant's defens

….. (Hentet 28.apr.2020 ) ….. <> How animals 'dial up' the pain they experience from certain stimuli Scientists have — for the first time — shown how chemical triggers in the nervous system can amplify the pain experienced by mammals in response to certain stimuli.

….. (Hentet 19.maj 2020 ) ….. <> How animals sense Earth's magnetic field The secrets behind magnetoreception—that is, the ability of some animals to sense Earth's magnetic field—are beginning to gradually unravel, thanks in part to a new study that demonstrates magnetic sensitivity in a completely artificial protein, which will help guide further study into what makes this phenomenon possible.

….. (Hentet 22.apr.2020 ) ….. <> How atrazine regulations have influenced the environment Opposing chemical trends linked to atrazine regulations from 1990s.

….. (Hentet 28.apr.2020 ) ….. <> How blood cells deform, recover when traveling through tiny channels Laboratory blood tests are often done by forcing samples through small channels. When the channels are very small, as in microfluidic devices, red blood cells (RBCs) are deformed and then relax back to their original shape after exiting the channel. The way the deformation and relaxation occur depends on both the flow characteristics and mechanical properties of the cell's outer membrane.

….. (Hentet 21.apr.2020 ) ….. <> How cancer cells don their invisibility cloaks Immunotherapy drugs that target a protein called programmed death ligand 1 (PD-L1) on the surface of cancer cells have quickly become a mainstay to treat many forms of cancer, often with dramatic results.

….. (Hentet 30.apr.2020 ) ….. <> How catastrophic outburst floods may have carved Greenland's 'grand canyon' For years, geologists have debated how and when canyons under the Greenland Ice Sheet formed, especially one called 'Greenland's Grand Canyon.' Its shape suggests it was carved by running water and glaciers, but until now its genesis remained unknown, scientists say.

….. (Hentet 15.maj 2020 ) ….. <> How cells decide the way they want to recycle their content Autophagy is a housekeeping process through which cells remove dysfunctional contents to balance energy sources during times of stress. Now, researchers from Tokyo Medical and Dental University (TMDU) identified a novel molecular mechanism by which a type of autophagy, called alternative autophagy, is activated. In a new study published in Nature Communications, they showed how a specific phosphor

….. (Hentet 18.maj 2020 ) ….. <> How climate killed corals A squad of climate-related factors is responsible for the massive Australian coral bleaching event of 2016. If we're counting culprits: it's two by sea, one by land.

….. (Hentet 21.apr.2020 ) ….. <> How Closely-Related Are Humans to Apes? We share a common ancestor, but followed a different evolutionary path.

….. (Hentet 20.maj 2020 ) ….. <> How cosmic rays may have shaped life Physicists propose that the influence of cosmic rays on early life maj explain nature's preference for a uniform 'handedness' among biology's critical molecules.

….. (Hentet 18.maj 2020 ) ….. <> How crop and animal sensors are making farming smarter Installing wireless sensors among crops and attaching 'smart' ear tags to livestock could help farmers produce more food with less impact on the environment.

….. (Hentet 19.maj 2020 ) ….. <> How do birds understand 'foreign' calls? Fais attention! Serpent!

….. (Hentet 21.apr.2020 ) ….. <> How do our cells respond to stress? Cells are often exposed to stressful conditions that can be life threatening, such as high temperatures or toxins. Fortunately, our cells are masters of stress management with a powerful response program: they cease to grow, produce stress-protective factors, and form large structures, which are called stress granules.

….. (Hentet 19.maj 2020 ) ….. <> How does an increase in nitrogen application affect grasslands? The "PaNDiv" experiment, established by researchers of the University of Bern on a 3000 m2 field site, is the largest biodiversity-ecosystem functioning experiment in Switzerland and aims to better understand how increases in nitrogen affect grasslands. The first article from this experiment has just been published in the scientific journal Functional Ecology after more than four years of work.

….. (Hentet 8.maj 2020 ) ….. <> How does the brain link events to form a memory? Study reveals unexpected mental processes The brain has a powerful ability to remember and connect events separated in time. And now, in a new study in mice, scientists have shed light on how the brain can form such enduring links.

….. (Hentet 20.apr.2020 ) ….. <> How dystopian narratives can incite real-world radicalism Humans are storytelling creatures: the stories we tell have profound implications for how we see our role in the world, and dystopian fiction keeps growing in popularity. According to, an online community that has grown to 90 million readers, the share of books categorised as 'dystopian' in 2012 was the highest for more than 50 years. The boom appears to have begun after the terrori

….. (Hentet 18.maj 2020 ) ….. <> How environment and microorganisms regulate soil biogeochemical processes in Tibetan wetlands The Tibetan Plateau, known as the "third pole" of the world, contains abundant and diverse wetlands. These wetlands provide a number of important ecological services, some of which are regulated by several nitrogen (N) and carbon (C) biogeochemical processes such as denitrification, organic matter decomposition and methane emission. However, the underlying pathways of the effects of environmental

….. (Hentet 18.maj 2020 ) ….. <> How experiencing traumatic stress leads to aggression Traumatic stress can cause aggression by strengthening two brain pathways involved in emotion, according to research recently published in JNeurosci. Targeting those pathways via deep brain stimulation maj stymie aggression associated with post-traumatic stress disorder.

….. (Hentet 4.maj 2020 ) ….. <> How gene flow between species influences the evolution of Darwin's finches Despite the traditional view that species do not exchange genes by hybridisation, recent studies show that gene flow between closely related species is more common than previously thought. A team of scientists from Uppsala University and Princeton University now reports how gene flow between two species of Darwin's finches has affected their beak morphology. The study is published today in Nature

….. (Hentet 27.apr.2020 ) ….. <> How glow-in-the-dark jellyfish inspired a scientific revolution What makes a jellyfish glow? For scientists, asking that simple question led to a powerful new tool that's completely transformed medicine—and won the Nobel!

….. (Hentet 23.apr.2020 ) ….. <> How hearing loss in old age affects the brain If your hearing deteriorates in old age, the risk of dementia and cognitive decline increases. So far, it hasn't been clear why. A team of neuroscientists has examined what happens in the brain when hearing gradually deteriorates: key areas of the brain are reorganized, and this affects memory.

….. (Hentet 12.maj 2020 ) ….. <> How Heavy is the Universe? Conflicting Answers Hint at New Physics The discrepancy could be a statistical fluke—or a sign that physicists will need to revise the standard model of cosmology

….. (Hentet 14.maj 2020 ) ….. <> How interstitial ordering affects high-strength steels The performance of materials is strongly influenced by their alloying elements: Adding elements beyond the basic composition of the alloy can strongly influence the properties and performance of it. In practice, it is not only important which elements are added, but also to which amounts and how they order in the host lattice.

….. (Hentet 23.apr.2020 ) ….. <> How kudzu became the 'bad seed' of the plant world Under different circumstances, kudzu might be heralded for its utility—its leaves ideal for grazing cattle, its root a treatment for stomach upset. Instead, the climbing and coiling perennial vine is almost universally reviled as a noxious weed, a scourge – "the vine that ate the South."

….. (Hentet 20.maj 2020 ) ….. <> How life on Earth has evolved underground Hidden beneath Australia's surface, aquatic ecosystems that have survived in complete isolation for millions of years shed light on the evolution of living and extinct species.

….. (Hentet 28.apr.2020 ) ….. <> How mistakes help us recognize things When we look at the same object in quick succession, our second glance always reflects a slightly falsified image of the object. Guided by various object characteristics such as motion direction, colour and spatial position, our short-term memory makes systematic mistakes. Apparently, these mistakes help us to stabilise the continually changing impressions of our environment. This has been discove

….. (Hentet 23.apr.2020 ) ….. <> How much does it cost california cannabis growers to safety test?–hmd042320.php The high cost of testing cannabis in California leads to higher prices for the consumer, which could drive consumers to unlicensed markets. A new study from researchers at the University of California, Davis, finds the safety tests cost growers about 10 percent of the average wholesale price of legal cannabis. The biggest share of this expense comes from failing the test.

….. (Hentet 14.maj 2020 ) ….. <> How particulate matter arises from pollutant gases When winter smog takes over Asian mega-cities, more particulate matter is measured in the streets than expected. An international team has now discovered that nitric acid and ammonia contribute to the formation of additional particulate matter. Nitric acid and ammonia arise in city centers predominantly from car exhaust. Experiments show that the high local concentration of the vapors in narrow an

….. (Hentet 14.maj 2020 ) ….. <> How plants forget: New work uncovers how epigenetic marks are specifically reset in sperm Although they do it differently than humans, plants also have memories. For example, many plants can sense and remember prolonged cold in the Winter to ensure they flower at the right time during the Spring. This so-called 'epigenetic memory' occurs by modifying specialized proteins called histones, which are important for packaging and indexing DNA in the cell. One such histone modification, call

….. (Hentet 5.maj 2020 ) ….. <> How race affects listening during political conversations A new study offers a rare look at how black and white people listen to each other during political discussions, including those that touch on controversial issues about race.

….. (Hentet 14.maj 2020 ) ….. <> How range residency and long-range perception change encounter rates From vast herds of wildebeest thundering across the Serengeti to a malaria-laden mosquito silently stalking a human host, the movement of animals has effects that reverberate throughout the biosphere. The way that animals move governs many ecological interactions including predation, disease transmission, and human-wildlife conflict. Encounter rates, which quantify how often moving individuals com

….. (Hentet 23.apr.2020 ) ….. <> How Salmonella gets a gut feeling [no content]

….. (Hentet 6.maj 2020 ) ….. <> How small chromosomes compete with big ones for a cell's attention From avocado plants to baker's yeast, humans to zebras, sexually reproducing organisms must create germ cells that contain half the number of chromosomes found in a typical body cell. When these germ cells—such as sperm and egg—come together during fertilization, the regular number of chromosomes is restored.

….. (Hentet 20.maj 2020 ) ….. <> How social media platforms can contribute to dehumanizing people A recent analysis of discourse on Facebook highlights how social media can be used to dehumanize entire groups of people.

….. (Hentet 19.maj 2020 ) ….. <> How some insects manage to halt their own growth in harsh conditions The life cycle of insects consists of specific developmental stages. But, in response to adverse conditions such as harsh winters, some insects arrest their own development at a particular stage. This process of seasonal adaptation is called "overwintering," in which the growth rate of the insect is either reduced or halted. This mechanism helps the insect to cope with extreme conditions that are

….. (Hentet 26.apr.2020 ) ….. <> How Space Travel Tries to Kill You and Make You Ugly Oh also, it makes you blind and stupid, too.

….. (Hentet 4.maj 2020 ) ….. <> How synaptic changes translate to behavior changes Learning changes behavior by altering many connections between brain cells in a variety of ways all at the same time, according to a study of sea slugs. The findings offer insight into how human learning can impact widespread brain areas.

….. (Hentet 21.apr.2020 ) ….. <> How the brain recognizes change A research team revealed in an animal study a previously unknown role of a presynaptic adhesion molecule to tell the new change by regulating postsynaptic NMDA-type receptor responses at excitatory synapses.

….. (Hentet 22.maj 2020 ) ….. <> How the darter got stripes: Expanding a sexual selection theory explains animal patterns Samuel Hulse, a Ph.D. candidate at UMBC, spent a lot of time in waders over the last two years. He traipsed from stream to stream across the eastern U.S., carefully collecting live specimens of small, colorful freshwater fish known as darters and taking photos of their habitats. Then he brought them back to the lab to capture high-quality images of their coloration patterns.

….. (Hentet 28.apr.2020 ) ….. <> How the heart affects our perception When we encounter a dangerous situation, signals from the brain make sure that the heart beats faster. When we relax the heart slows down. But the heartbeat also affects the brain but the underlying mechanisms are unclear. Researchers have now identified two mechanisms underpinning how the heart influences our perception, the brain, and how these mechanisms differ between individuals.

….. (Hentet 21.apr.2020 ) ….. <> How The Times Covered the First Earth Day, 50 Years Ago For the first Earth Day, on April 22, 1970, The New York Times went big.

….. (Hentet 11.maj 2020 ) ….. <> How to boost plant biomass: Biologists uncover molecular link between nutrient availability, growth Plant scientists have long known that crop yield is proportional to the dose of nitrogen fertilizer, but the increased use of fertilizers is costly and harmful to the environment. Until now, the underlying mechanisms by which plants adjust their growth according to the nitrogen dose has been unknown—a key finding that could help enhance plant growth and limit fertilizer use.

….. (Hentet 10.maj 2020 ) ….. <> How to Grow Vegetables on Mars If we're ever going to colonize the Red Planet, we'll need to produce food on site. Also, beer

….. (Hentet 19.maj 2020 ) ….. <> How to improve the pneumococcus vaccine Pneumococcus kills 1 million children annually according to the World Health Organization. The key to the pathogen's virulence is its thick sugar capsule, which is also the active ingredient in vaccines. Different strains have different capsules. Researchers just identified a new capsule for the pneumococcus — the 100th to be found after more than a century of research on the pathogen.

….. (Hentet 21.apr.2020 ) ….. <> How to keep your video calls private Sometimes you barely want people you know to see you on a video call, much less malevolent strangers. (Nathan Dumlao/Unsplash/) All of a sudden, many of us have been forced to become quite familiar with video calling software—but it's dangerous to assume that your live chats will be secure and private by default. If you want to minimize the risk of unwelcome visitors snooping on your calls (or ev

….. (Hentet 8.maj 2020 ) ….. <> How to manipulate light on the nanoscale over wide frequency ranges An international team led by researchers from the University of Oviedo and the Centre for Research in Nanomaterials and Nanotechnology (CINN-CSIC) has discovered an effective method for controlling the frequency of confined light at the nanoscale in the form of phonon polaritons (light coupled to vibrations in the crystal). The results have now been published in Nature Materials.

….. (Hentet 24.maj 2020 ) ….. <> How to Protect Both Wolves and Livestock New research reveals clear guidance for reducing human-wildlife conflict and restoring wolf populations.

….. (Hentet 4.maj 2020 ) ….. <> How to put neurons into cages Football-shaped microscale cages have been created using special laser technologies. Using sound waves as tweezers, living neurons can be placed inside these cages to study how nerve connections are being formed.

….. (Hentet 24.apr.2020 ) ….. <> How to target a microbial needle within a community haystack A team led by researchers at the Max Planck Institute (MPI) for Marine Microbiology has developed, tested and deployed a pipeline to first target cells from communities of uncultivated microbes, and then efficiently retrieve and characterize their genomes.

….. (Hentet 26.apr.2020 ) ….. <> How to think about the EU's rescue fund We do not need another big lending programme; equity investments would get us out of the credit-versus-loans debate

….. (Hentet 11.maj 2020 ) ….. <> How to tune out common odors and focus on important ones Quantitative biologists at CSHL have figured out how a fly brain learns to ignore overwhelmingly prevalent, mundane odors to focus on more important ones. It's an important step towards understanding how our senses work and how computer sensing could work better.

….. (Hentet 21.apr.2020 ) ….. <> How Tweets may influence substance abuse in youth In a new study from the University of Pennsylvania School of Nursing (Penn Nursing), researchers characterized the content of 23 million drug-related tweets by youths to identify their beliefs and behaviors related to drug use and better understand the potential mechanisms driving substance use behavior. They found that youths expressed pride, confidence, or boastfulness online about their drug-re

….. (Hentet 20.apr.2020 ) ….. <> How 'universal' stem cells might fix our brains: The technique of iPS cell reprogramming takes a differentiated cell backward in development. submitted by /u/lughnasadh [link] [comments]

….. (Hentet 30.apr.2020 ) ….. <> HRM practices a predictor for business resilience after layoffs As retrenchments continue to cloud the foreseeable future of businesses worldwide, new research from the University of South Australia, the University of Melbourne and RMIT indicates that some businesses will fare better than others—and it's all dependent on their type of human resource management system.

….. (Hentet 24.apr.2020 ) ….. <> Hubble celebrates its 30th anniversary with a tapestry of blazing starbirth Hubble Space Telescope's iconic images and scientific breakthroughs have redefined our view of the universe. To commemorate three decades of scientific discoveries, this image is one of the most photogenic examples of the many turbulent stellar nurseries the telescope has observed during its 30-year lifetime.

….. (Hentet 20.apr.2020 ) ….. <> Hubble observes aftermath of massive collision What astronomers thought was a planet beyond our solar system, has now seemingly vanished from sight. Astronomers now suggest that a full-grown planet never existed in the first place. The NASA/ESA Hubble Space Telescope had instead observed an expanding cloud of very fine dust particles caused by a titanic collision between two icy asteroid-sized bodies orbiting the bright star Fomalhaut, about 2

….. (Hentet 21.apr.2020 ) ….. <> HudsonAlpha plant genomics researchers surprised by cotton genome Plant genomics researchers at HudsonAlpha Institute for Biotechnology announce the surprising results of a cotton sequencing study led by Jane Grimwood, Ph.D., and Jeremy Schmutz, who co-direct the HudsonAlpha Genome Sequencing Center (HGSC). The goal of the project was to identify differences among wild and domesticated cotton that could be used to reintroduce agriculturally beneficial traits lik

….. (Hentet 21.maj 2020 ) ….. <> Human decisions about when to act originate within a basal forebrain-nigral circuit [Neuroscience] Decisions about when to act are critical for survival in humans as in animals, but how a desire is translated into the decision that an action is worth taking at any particular point in time is incompletely understood. Here we show that a simple model developed to explain when animals…

….. (Hentet 21.apr.2020 ) ….. <> Human pregnancy is weird — new research adds to the mystery Scientists set out to investigate the evolution of a gene that helps women stay pregnant: the progesterone receptor gene. The results come from an analysis of the DNA of 115 mammalian species.

….. (Hentet 21.apr.2020 ) ….. <> Human settlement of East Polynesia earlier, incremental, and coincident with prolonged South Pacific drought [Environmental Sciences] The timing of human colonization of East Polynesia, a vast area lying between Hawai'i, Rapa Nui, and New Zealand, is much debated and the underlying causes of this great migration have been enigmatic. Our study generates evidence for human dispersal into eastern Polynesia from islands to the west from around…

….. (Hentet 4.maj 2020 ) ….. <> Human sleep consolidates allergic responses conditioned to the environmental context of an allergen exposure [Medical Sciences] Allergies are highly prevalent, and allergic responses can be triggered even in the absence of allergens due to Pavlovian conditioning to a specific cue. Here we show in humans suffering from allergic rhinitis that merely reencountering the environmental context in which an allergen was administered a week earlier is sufficient…

….. (Hentet 22.apr.2020 ) ….. <> Human uterus colonized by clones with cancer-driving mutations that arise early in life Many cells in the inner lining of the uterus carry 'cancer-driving' mutations that frequently arise early in life, report scientists. The research team conducted whole-genome sequencing of healthy human endometrium, providing a comprehensive overview of the rates and patterns of DNA changes in this tissue.

….. (Hentet 22.apr.2020 ) ….. <> Human-caused warming will cause more slow-moving hurricanes, warn climatologists Hurricanes moving slowly over an area can cause more damage than faster-moving storms, because the longer a storm lingers, the more time it has to pound an area with storm winds and drop huge volumes of rain, leading to flooding. The extraordinary damage caused by storms like Dorian (2019), Florence (2018) and Harvey (2017) prompted Princeton's Gan Zhang to wonder whether global climate change wil

….. (Hentet 11.maj 2020 ) ….. <> Humans and Neanderthals May Have Shared Jewelry Designs Pendants made from cave bear teeth are among the items found with the earliest modern human fossils in a cave in Bulgaria. Neanderthal-Archaeology2.jpg Researchers excavate Bacho Kiro Cave in Bulgaria. Image credits: Tsenka Tsanova, MPI-EVA Leipzig Rights information: CC-BY-SA 2.0 Human Monday, maj 11, 2020 – 11:00 Charles Q. Choi, Contributor (Inside Science) –The earliest modern human fossils

….. (Hentet 21.apr.2020 ) ….. <> Humble bug holds key to relieving millions of allergy sufferers in Europe CABI has led a team of scientists on new research which reveals that a bug could relieve more than 2 million sufferers of allergies in Europe while also saving more than €1 billion in health costs.

….. (Hentet 23.apr.2020 ) ….. <> Hummingbirds show up when tropical trees fall down When the tree fell that October in 2015, the tropical giant didn't go down alone. Hundreds of neighboring trees went with it, opening a massive 2.5-acre gap in the Panamanian rainforest. Treefalls happen all the time, but this one just happened to occur in the exact spot where a decades-long ecological study was in progress, giving researchers a rare look into tropical forest dynamics.

….. (Hentet 14.maj 2020 ) ….. <> Humpback whales may risk collision with vessels in the Magellan Strait Every summer (November-April), the Magellan Strait in the southwestern part of Chile becomes a popular feeding area for migrating humpback whales (Megaptera novaeangliae). The narrow strait is also a heavily used shipping route. A new study by scientists at the Smithsonian Tropical Research Institute (STRI) and collaborating institutions tracked and modelled the movement of individual whales in or

….. (Hentet 22.apr.2020 ) ….. <> Hungry galaxies grow fat on the flesh of their neighbours Galaxies grow large by eating their smaller neighbours, new research reveals.

….. (Hentet 19.maj 2020 ) ….. <> Hunting for the next generation of conservation stewards Millions of acres of natural habitat in the U.S. and the wildlife that inhabit these large swaths of private and public lands depend on people who support a myriad of conservation activities. Recreational hunters are an important group of people whose licenses, taxes and fees directly pay for conservation efforts. However, the number of people who hunt as a sport has steadily declined since the 19

….. (Hentet 20.maj 2020 ) ….. <> Hunting threatens one of the world's most amazing wildlife migrations As the world looks to tighten up the illegal capture of wildlife, migratory birds are being threatened by widespread and unsustainable hunting across the Asia-Pacific region. University of Queensland-led research has revealed that three quarters of migratory shorebird species in the region have been hunted since the 1970s.

….. (Hentet 27.apr.2020 ) ….. <> Hurricane effects on Neotropical lizards span geographic and phylogenetic scales [Evolution] Extreme climate events such as droughts, cold snaps, and hurricanes can be powerful agents of natural selection, producing acute selective pressures very different from the everyday pressures acting on organisms. However, it remains unknown whether these infrequent but severe disruptions are quickly erased by quotidian selective forces, or whether they…

….. (Hentet 26.apr.2020 ) ….. <> Hurricanes Could Be Slowing Down Due to Rising CO2 Levels, And That's Not a Good Thing More time to wreak havoc.

….. (Hentet 27.apr.2020 ) ….. <> Hurricanes twist evolution in island lizards Hold that thought: A good grip can mean the difference between life and death for lizards in a hurricane—and as a result, populations hit more frequently by hurricanes have larger toepads.

….. (Hentet 7.maj 2020 ) ….. <> Hybrid approach catches light [no content]

….. (Hentet 30.apr.2020 ) ….. <> Hydrocarbon seepage in the deep seabed links subsurface and seafloor biospheres [Microbiology] Marine cold seeps transmit fluids between the subseafloor and seafloor biospheres through upward migration of hydrocarbons that originate in deep sediment layers. It remains unclear how geofluids influence the composition of the seabed microbiome and if they transport deep subsurface life up to the surface. Here we analyzed 172 marine…

….. (Hentet 5.maj 2020 ) ….. <> Hydrogen deuterium exchange defines catalytically linked regions of protein flexibility in the catechol O-methyltransferase reaction [Biochemistry] Human catechol O-methyltransferase (COMT) has emerged as a model for understanding enzyme-catalyzed methyl transfer from S-adenosylmethionine (AdoMet) to small-molecule catecholate acceptors. Mutation of a single residue (tyrosine 68) behind the methyl-bearing sulfonium of AdoMet was previously shown to impair COMT activity by interfering with methyl donor–acceptor compaction within the activated.

….. (Hentet 21.apr.2020 ) ….. <> Håndholdt gadget opdager madforgiftning dobbelt så hurtigt og 200 gange billigere Det tager typisk flere døgn eller uger at finde smittekilden til et udbrud af madforgiftning. Men…

….. (Hentet 21.apr.2020 ) ….. <> I probably won't have to die, ever. I can be anything and everything I want. This idea has been very motivational for me, because for the first time, I have a reason to believe that I really can make a difference. Many differences, in fact. submitted by /u/POPEJOKER [link] [comments]

….. (Hentet 21.apr.2020 ) ….. <> I've been asked to take a pay cut, should I agree? My employer has said that if we don't cut salaries redundancies will be on the cards

….. (Hentet 23.apr.2020 ) ….. <> Icelandic DNA jigsaw-puzzle brings new knowledge about Neanderthals An international team of researchers has put together a new image of Neanderthals based on the genes Neanderthals left in the DNA of modern humans when they had children with them about 50,000 years ago. The researchers found the new information by trawling the genomes of more than 27,000 Icelanders. Among other things, they discovered that Neanderthal children had older mothers and younger father

….. (Hentet 19.maj 2020 ) ….. <> Identifying cell types from single-cell RNA sequencing data automatically Identifying different types of cells within a tissue or an organ can be very challenging and time-consuming. Methods to identify cell types from single-cell RNA sequencing data have been proposed, but they all fall short in discovering potentially new cell types. Researchers from the Wellcome Sanger Institute and EMBL's European Bioinformatics Institute (EMBL-EBI) have created a new method called

….. (Hentet 5.maj 2020 ) ….. <> Identifying light sources using artificial intelligence Identifying sources of light plays an important role in the development of many photonic technologies, such as lidar, remote sensing, and microscopy. Traditionally, identifying light sources as diverse as sunlight, laser radiation, or molecule fluorescence has required millions of measurements, particularly in low-light environments, which limits the realistic implementation of quantum photonic te

….. (Hentet 21.apr.2020 ) ….. <> Identifying the pathways that control resource allocation in higher plants [Plant Biology] A key feature in the evolution of multicellular organisms was the development of complex vascular systems to transport resources from sites of primary acquisition to sites of usage and storage. In plants, leaves generate the energy required to sustain multicellular growth through the reactions of photosynthesis, and much of that…

….. (Hentet 20.apr.2020 ) ….. <> If You're Working From Home, Choosing the Right VPN Is More Important Than Ever Futurism fans: To create this content, a non-editorial team worked with an affiliate partner. We maj collect a small commission on items purchased through this page. This post does not necessarily reflect the views or the endorsement of the editorial staff. Even with millions of people now working from home, many Internet users are resigned to the fact that our online activity is up

….. (Hentet 30.apr.2020 ) ….. <> IL-13 hits the gym [no content]

….. (Hentet 19.maj 2020 ) ….. <> Image analysis technique provides better understanding of heart cell defects Many patients with heart disease face limited treatment options. Fortunately, stem cell biology has enabled researchers to produce large numbers of cardiomyocytes, which maj be used in drug screens and cell-based therapies. However, current image analysis techniques don't allow researchers to analyze heterogeneous, multidirectional, striated myofibrils typical of immature cells. Researchers showca

….. (Hentet 17.maj 2020 ) ….. <> Immersive Violence Virtual reality could help domestic batterers identify with victims

….. (Hentet 28.apr.2020 ) ….. <> Immune-regulating drug improves gum disease in mice A drug that has life-extending effects on mice also reverses age-related dental problems in the animals, according to a new study.

….. (Hentet 29.apr.2020 ) ….. <> Implant-free optogenetics minimizes brain damage during neuronal stimulation A minimally invasive optogenetic technique that does not require brain implants successfully manipulated the activity of neurons in mice and monkeys, researchers report. The researchers first genetically engineered neurons to produce a newly developed, extremely light-sensitive protein called SOUL. They then demonstrated that it is possible to shine light through the skull to alter neuronal respon

….. (Hentet 1.maj 2020 ) ….. <> Improved neural probe can pose precise questions without losing parts of the answers A technique for studying individual circuits in the brains of mice has been hampered because the light needed to stimulate neural activity briefly overwhelms the electrodes 'listening' for the response. Now, improved shielding within the neural probe enables those lost signals to be captured.

….. (Hentet 28.apr.2020 ) ….. <> Improved surrogates in inertial confinement fusion with manifold and cycle consistencies [Computer Sciences] Neural networks have become the method of choice in surrogate modeling because of their ability to characterize arbitrary, high-dimensional functions in a data-driven fashion. This paper advocates for the training of surrogates that are 1) consistent with the physical manifold, resulting in physically meaningful predictions, and 2) cyclically consistent with…

….. (Hentet 20.maj 2020 ) ….. <> In a quiet world, research on noise and nesting bluebirds Operation Decoy Dan begins at dawn.

….. (Hentet 3.maj 2020 ) ….. <> In Search of Naked Singularities The "cosmic censorship" hypothesis says they shouldn't exist—but is it possible that we've already detected them and misinterpreted their nature?

….. (Hentet 1.maj 2020 ) ….. <> In search of the lighting material of the future At the Paul Scherrer Institute PSI, researchers have gained insights into a promising material for organic light-emitting diodes (OLEDs). The substance enables high light yields and would be inexpensive to produce on a large scale—that means it is practically made for use in large-area room lighting. Researchers have been searching for such materials for a long time. The newly generated understand

….. (Hentet 21.apr.2020 ) ….. <> In This Issue [This Week in PNAS] Carbon content of Earth's core Cutaway of Earth showing the core. Image credit: grichenko. The total amount of carbon on Earth—the bulk carbon content—is poorly understood due to uncertainty in the amount of carbon in Earth's core, where most carbon is likely located. To better estimate the carbon content…

….. (Hentet 20.apr.2020 ) ….. <> In utero MRI identifies consequences of early-gestation alcohol drinking on fetal brain development in rhesus macaques [Neuroscience] One factor that contributes to the high prevalence of fetal alcohol spectrum disorder (FASD) is binge-like consumption of alcohol before pregnancy awareness. It is known that treatments are more effective with early recognition of FASD. Recent advances in retrospective motion correction for the reconstruction of three-dimensional (3D) fetal brain MRI…

….. (Hentet 21.apr.2020 ) ….. <> Inconsistent allocations of harms versus benefits may exacerbate environmental inequality [Psychological and Cognitive Sciences] We report five studies that examine preferences for the allocation of environmental harms and benefits. In all studies, participants were presented with scenarios in which an existing environmental inequality between two otherwise similar communities could either be decreased or increased through various allocation decisions. Our results demonstrate that despite well-established…

….. (Hentet 1.maj 2020 ) ….. <> Increased variability but intact integration during visual navigation in Autism Spectrum Disorder [Psychological and Cognitive Sciences] Autism Spectrum Disorder (ASD) is a common neurodevelopmental disturbance afflicting a variety of functions. The recent computational focus suggesting aberrant Bayesian inference in ASD has yielded promising but conflicting results in attempting to explain a wide variety of phenotypes by canonical computations. Here, we used a naturalistic visual path integration…

….. (Hentet 26.apr.2020 ) ….. <> Indendørs- og udendørskort skal bindes sammen PLUS. Danske myndigheder arbejder på international enighed om fælles standarder for kortlægning af bygninger. Det gør det lettere for biler, robotter og sensorer at finde rundt mellem bygninger

….. (Hentet 3.maj 2020 ) ….. <> Indian officials capture rare snow leopard, send it to zoo A rare snow leopard captured as it savaged livestock in a remote village in the Indian Himalaya will be sent to a zoo instead of being released, officials said Sunday, triggering outrage from activists.

….. (Hentet 18.maj 2020 ) ….. <> India's 'superfood' jackfruit goes global Green, spiky and with a strong, sweet smell, the bulky jackfruit has morphed from a backyard nuisance in India's south coast into the meat-substitute darling of vegans and vegetarians in the West.

….. (Hentet 22.maj 2020 ) ….. <> Indigenous collaboration and leadership key to managing sea otter population recovery A new study highlights the need to engage Indigenous communities in managing sea otter population recovery to improve coexistence between humans and this challenging predator.

….. (Hentet 27.apr.2020 ) ….. <> Individual differences in trust evaluations are shaped mostly by environments, not genes [Psychological and Cognitive Sciences] People evaluate a stranger's trustworthiness from their facial features in a fraction of a second, despite common advice "not to judge a book by its cover." Evaluations of trustworthiness have critical and widespread social impact, predicting financial lending, mate selection, and even criminal justice outcomes. Consequently, understanding how people perceive…

….. (Hentet 8.maj 2020 ) ….. <> Individualized mosaics of microbial strains transfer from the maternal to the infant gut Researchers have used a microbiome 'fingerprint' method to report that an individualized mosaic of microbial strains is transmitted to the infant gut microbiome from a mother giving birth through vaginal delivery. They detailed this transmission by analyzing existing metagenomic databases of fecal samples from mother-infant pairs, as well as analyzing mouse dam and pup transmission in a germ-free,

….. (Hentet 24.apr.2020 ) ….. <> Induction of recurrent break cluster genes in neural progenitor cells differentiated from embryonic stem cells in culture [Neuroscience] Mild replication stress enhances appearance of dozens of robust recurrent genomic break clusters, termed RDCs, in cultured primary mouse neural stem and progenitor cells (NSPCs). Robust RDCs occur within genes ("RDC-genes") that are long and have roles in neural cell communications and/or have been implicated in neuropsychiatric diseases or cancer….

….. (Hentet 21.apr.2020 ) ….. <> Industry warns over face mask shortage for public Health chiefs fear change of scientific advice could put further strain on NHS supplies

….. (Hentet 12.maj 2020 ) ….. <> Inexpensively locating friendly (and unfriendly) radio waves Electrical engineers have devised a low-cost method for passively locating sources of radio waves such as Wi-Fi and cellular communication signals. The technique could lead to inexpensive devices that can find radio wave devices like cellular phones or Wi-Fi emitters and cameras that can capture images using the radio waves already bouncing around the world all around us.

….. (Hentet 20.apr.2020 ) ….. <> Infant behavioral inhibition predicts personality and social outcomes three decades later [Anthropology] Does infant temperament predict adult personality and life-course patterns? To date, there is scant evidence examining relations between child temperament and adult outcomes, and extant research has relied on limited methods for measuring temperament such as maternal report. This prospective longitudinal study followed a cohort of infants (n = 165)…

….. (Hentet 21.apr.2020 ) ….. <> Infant temperament predicts personality more than 20 years later Researchers investigating how temperament shapes adult life-course outcomes have found that behavioral inhibition in infancy predicts a reserved, introverted personality at age 26. For those individuals who show sensitivity to making errors in adolescence, the findings indicated a higher risk for internalizing disorders (such as anxiety and depression) in adulthood. The study provides robust evide

….. (Hentet 1.maj 2020 ) ….. <> Influence of spatially segregated IP3-producing pathways on spike generation and transmitter release in Purkinje cell axons [Neuroscience] It has been known for a long time that inositol-trisphosphate (IP3) receptors are present in the axon of certain types of mammalian neurons, but their functional role has remained unexplored. Here we show that localized photolysis of IP3 induces spatially constrained calcium rises in Purkinje cell axons. Confocal immunohistology reveals…

….. (Hentet 28.apr.2020 ) ….. <> Inhibition of sphingolipid synthesis improves outcomes and survival in GARP mutant wobbler mice, a model of motor neuron degeneration [Neuroscience] Numerous mutations that impair retrograde membrane trafficking between endosomes and the Golgi apparatus lead to neurodegenerative diseases. For example, mutations in the endosomal retromer complex are implicated in Alzheimer's and Parkinson's diseases, and mutations of the Golgi-associated retrograde protein (GARP) complex cause progressive cerebello-cerebral atrophy type 2 (PCCA2). However, how.

….. (Hentet 21.apr.2020 ) ….. <> Inland Areas Need to Prepare for Expanding Reach of Hurricanes Improved emergency planning and stronger building codes could help avoid costly surprises

….. (Hentet 20.apr.2020 ) ….. <> Inner ear sensory system changes as extinct crocodylomorphs transitioned from land to water [Earth, Atmospheric, and Planetary Sciences] Major evolutionary transitions, in which animals develop new body plans and adapt to dramatically new habitats and lifestyles, have punctuated the history of life. The origin of cetaceans from land-living mammals is among the most famous of these events. Much earlier, during the Mesozoic Era, many reptile groups also moved…

….. (Hentet 18.maj 2020 ) ….. <> Insect virtual reality gives us a fly's perspective of the world Flying insects are remarkable in their ability to sense and locate food sources and mates as they navigate a complex, 3-D world. Yet, little is known about how they combine different sensory stimuli to find and get to the objects of their interest. Now, researchers from Shannon Olsson's lab at the National Center for Biological Sciences, Bangalore created a virtual reality (VR) arena in which they

….. (Hentet 23.apr.2020 ) ….. <> Insects: Largest study to date finds declines on land, but recoveries in freshwater A worldwide compilation of long-term insect abundance studies shows that the number of land-dwelling insects is in decline. On average, there is a global decrease of 0.92% per year, which translates to approximately 24% over 30 years. At the same time, the number of insects living in freshwater, such as midges and maj flies, has increased on average by 1.08% each year. This is possibly due to effec

….. (Hentet 21.apr.2020 ) ….. <> Insight on thermal stability of magnetite magnetosomes: implications for the fossil record and biotechnology Scientific Reports, Published online: 21 April 2020; doi:10.1038/s41598-020-63531-5

….. (Hentet 8.maj 2020 ) ….. <> Inspired by cheetahs, researchers build fastest soft robots yet Inspired by the biomechanics of cheetahs, researchers have developed a new type of soft robot that is capable of moving more quickly on solid surfaces or in the water than previous generations of soft robots. The new soft robotics are also capable of grabbing objects delicately — or with sufficient strength to lift heavy objects.

….. (Hentet 20.maj 2020 ) ….. <> Inspiring stories from women like themselves helped these moms improve their diet When researchers asked prospective study participants who they would like to see in videos promoting healthy lifestyle behaviors, the answer was unequivocal: They wanted to see themselves — that is, other mothers living in low-income households who were overweight or obese. The researchers obliged. And the intervention they designed produced the desired results when it came to improving participa

….. (Hentet 7.maj 2020 ) ….. <> Instantaneous contact tracing [no content]

….. (Hentet 4.maj 2020 ) ….. <> Intensive blood pressure control has potential to reduce risk of atrial fibrillation Intensive blood pressure control maj reduce the risk of atrial fibrillation (AFib), an irregular heartbeat that can lead to serious complications such as stroke, heart failure and heart attacks, according to scientists.

….. (Hentet 4.maj 2020 ) ….. <> Intensive farming increases risk of epidemics, warn scientists Overuse of antibiotics, high animal numbers and low genetic diversity from intensive farming increase the risk of animal pathogens transferring to humans.

….. (Hentet 29.apr.2020 ) ….. <> Intercrops enhance soil moisture availability in rubber agroforestry systems Rubber-based agroforestry systems have been developed in Southeast Asia for ecological and economic benefits. However, the water consumption characteristics of different agroforestry practices are still unclear in this region.

….. (Hentet 22.maj 2020 ) ….. <> Interfacing gene circuits with microelectronics through engineered population dynamics While there has been impressive progress connecting bacterial behavior with electrodes, an attractive observation to facilitate advances in synthetic biology is that the growth of a bacterial colony can be determined from impedance changes over time. Here, we interface synthetic biology with microelectronics through engineered population dynamics that regulate the accumulation of charged metaboli

….. (Hentet 20.apr.2020 ) ….. <> International naturfotograf: 'Jeg er overrasket over, at der findes så fascinerende dyr i Danmark' Det har taget mere end et år at lave undervandsoptagelserne til 'Vilde vidunderlige Danmark'.

….. (Hentet 21.apr.2020 ) ….. <> International team develops new model to improve accuracy of storm surge analysis A new international study published this week in the journal Nature Communications, applied a novel statistical method that — for the first time — captures the important interactions between tides and storm surges. These natural forces are caused by meteorological effects, such as strong winds and low atmospheric pressure, and their impacts have often been difficult to understand because of the

….. (Hentet 20.apr.2020 ) ….. <> Interstellar comet 2I/Borisov: Carbon monoxide abundance points to birth around cooler star Interstellar comet 2I/Borisov is providing a glimpse of another star system's planetary building blocks, using new observations from NASA's Hubble Space Telescope.

….. (Hentet 23.apr.2020 ) ….. <> Intertwined signatures of desiccation and drought tolerance in grasses [Plant Biology] Grasses are among the most resilient plants, and some can survive prolonged desiccation in semiarid regions with seasonal rainfall. However, the genetic elements that distinguish grasses that are sensitive versus tolerant to extreme drying are largely unknown. Here, we leveraged comparative genomic approaches with the desiccation-tolerant grass Eragrostis nindensis and…

….. (Hentet 21.apr.2020 ) ….. <> Interventions boost sexual health for black teens Sexual health interventions are effective at increasing both abstinence and condom use in black teens, according to a new study. The new paper in JAMA Pediatrics draws on data from 29 studies that reported 11,918 black teens. Sexual health interventions included, among other things, school-based health classes and community organization programs. "We focused on black adolescents because they face

….. (Hentet 27.apr.2020 ) ….. <> Intracellular Ca2+ regulation of H+/Ca2+ antiporter YfkE mediated by a Ca2+ mini-sensor [Biophysics and Computational Biology] The H+/Ca2+ (calcium ion) antiporter (CAX) plays an important role in maintaining cellular Ca2+ homeostasis in bacteria, yeast, and plants by promoting Ca2+ efflux across the cell membranes. However, how CAX facilitates Ca2+ balance in response to dynamic cytosolic Ca2+ perturbations is unknown. Here, we identified a type of Ca2+…

….. (Hentet 30.apr.2020 ) ….. <> Intricate magnetic configuration of 3D nanoscale gyroid networks revealed A multinational team of researchers has revealed the magnetic states of nanoscale gyroids, 3D chiral network-like nanostructures. The findings add a new candidate system for research into unconventional information processing and emergent phenomena relevant to spintronics.

….. (Hentet 14.maj 2020 ) ….. <> Intriguing interference mechanism [no content]

….. (Hentet 28.apr.2020 ) ….. <> Invasive lionfish likely to become permanent residents in the Mediterranean A team of international scientists has shown the species, first seen off the coast of Cyprus in 2012, is now thriving and well-established right across southern Europe.

….. (Hentet 5.maj 2020 ) ….. <> Invasive shrub has no effect on prey abundance or physiological condition of migratory songbird Alien plants often spell trouble for birds whose habitats are under siege. They can alter food abundance, nest site availability and other critical resources. However, a new study published this week in the journal Conservation Physiology shows that the relationships between exotic, invasive plants and native birds are not always that simple, and not always negative.

….. (Hentet 6.maj 2020 ) ….. <> Investigating the dynamics of stability Scientists have gained important insight into the mechanisms that drive stability and activity in materials during oxygen evolution reactions. This insight will guide the practical design of materials for electrochemical fuel production.

….. (Hentet 21.apr.2020 ) ….. <> Investing in times of uncertainty Investors must consider the lessons of past downturns as they look to the future

….. (Hentet 23.apr.2020 ) ….. <> Investments' role in ecosystem degradation–Response [no content]

….. (Hentet 23.apr.2020 ) ….. <> Iron deficiency in corals? When iron is limited, the microalgae that live within coral cells change how they take in other trace metals, which could have cascading effects on vital biological functions and perhaps exacerbate the effects of climate change on corals.

….. (Hentet 30.apr.2020 ) ….. <> Irrigation expansion could feed 800 million more people Water scarcity, a socio-environmental threat to anthropogenic activities and ecosystems alike, affects large regions of the globe. However, it is often the most vulnerable and disadvantaged populations that suffer the severest consequences, highlighting the role of economic and institutional factors in water scarcity. In this way, researchers generally consider not only the physical constraints bu

….. (Hentet 21.apr.2020 ) ….. <> Is it safe to spin-dry leafy greens in a washing machine? Some of the nearly 1,000 small farmers in New England who grow leafy greens use a creative, efficient and cost-effective method of drying the fresh veggies after a triple dip in water: a conventional home washing machine.

….. (Hentet 28.apr.2020 ) ….. <> Is there an antagonistic pleiotropic effect of a LRRK2 mutation on leprosy and Parkinson's disease? [Letters (Online Only)] Neurodegeneration is a shared feature of some infectious diseases, such as leprosy, and noninfectious conditions, such as Alzheimer's disease (AD) and Parkinson's disease (PD) (1). The type-1 reaction (T1R), a nerve damaging process seen in leprosy and caused by chronic Mycobacterium leprae infection (2), is a natural model for the…

….. (Hentet 25.apr.2020 ) ….. <> Is there any good films that serve as a decent follow up to Ray Kurzweil's Transcendant Man (2008)? I really want to see an updated vision on this sort of thing… submitted by /u/adumbthedumb [link] [comments]

….. (Hentet 13.maj 2020 ) ….. <> Is video game addiction real? A recent six-year study, the longest study ever done on video game addiction, found that about 90% of gamers do not play in a way that is harmful or causes negative long-term consequences. A significant minority, though, can become truly addicted to video games and as a result can suffer mentally, socially and behaviorally.

….. (Hentet 12.maj 2020 ) ….. <> Island biodiversity best conserved in inaccessible landscapes Islands contribute enormously to global biodiversity, but are threatened by human activities. To understand why some islands have been more impacted since first human settlement than others, a new study compared environmental and societal variables of 30 islands in the Eastern Atlantic Ocean. The study by an international team of scientists, including ecologists from the University of Amsterdam, i

….. (Hentet 26.apr.2020 ) ….. <> It's George Wallace's World Now T he Republican Party has been taken over by an unscrupulous populist demagogue. His loyalty is to himself, not to his party or any ideology. He glories in violating political norms. He trashes liberals and government bureaucrats but has no use for limiting the government's powers—at least, not his own powers. He has no problem with deficit spending, provided he can direct it to his base. He play

….. (Hentet 15.apr.2020 ) ….. <> It's time to give the pedometer a break and embrace lifting weights The incredible benefits of strength training are only just becoming apparent. That's good timing, when working out indoors is beneficial to everyone's health

….. (Hentet 21.apr.2020 ) ….. <> Japanese biotech seeks to turn 'brown gem' into gold Faecal analysis can unveil a wealth of information about the human body and its illnesses

….. (Hentet 20.apr.2020 ) ….. <> Japan's megabanks have announced commitments, of varying degrees, to stop financing new coal power projects as global pressure ramps up on the world's third largest economy for stronger climate action. submitted by /u/Wagamaga [link] [comments]

….. (Hentet 23.apr.2020 ) ….. <> 'Jurassic Park' in Eastern Morocco: Paleontology of the Kem Kem Group The Kem Kem beds in Morocco are famous for the spectacular fossils found there, including at least four large-bodied non-avian theropods, several large-bodied pterosaurs and crocodilians.

….. (Hentet 19.maj 2020 ) ….. <> Jurassic stick insect performed mimicry to defend against predators Phasmatodea, commonly known as stick insects and leaf insects, are icons of crypsis and primary defense specialization, exhibiting a wide range of remarkable morphological and behavioral modifications associated with camouflage. Most of extant stick and leaf insects have the appearance of abdominal extensions, which has been one of the innovations contributing to their extraordinary crypsis. Howev

….. (Hentet 6.maj 2020 ) ….. <> Just How Dangerous Is the 'Murder Hornet'? Its sting is excruciating to people, but it is a bigger threat to honeybees vital for agriculture

….. (Hentet 26.apr.2020 ) ….. <> Just how runny can a liquid get? It seems there's an equation for that.

….. (Hentet 24.apr.2020 ) ….. <> K6-linked SUMOylation of BAF regulates nuclear integrity and DNA replication in mammalian cells [Cell Biology] Barrier-to-autointegration factor (BAF) is a highly conserved protein in metazoans that has multiple functions during the cell cycle. We found that BAF is SUMOylated at K6, and that this modification is essential for its nuclear localization and function, including nuclear integrity maintenance and DNA replication. K6-linked SUMOylation of BAF promotes…

….. (Hentet 21.maj 2020 ) ….. <> KAL's cartoon [no content]

….. (Hentet 26.apr.2020 ) ….. <> Karantæneramt professor producerer videoer med overblik og indsigt PLUS. Tiden med social afstand kan man passende bruge til at genopfriske og genopdage fysikkens fundament.

….. (Hentet 7.maj 2020 ) ….. <> Killing 'sleeper cells' may enhance breast cancer therapy The anti-cancer medicine venetoclax could improve the current therapy for estrogen receptor-positive (ER+) breast cancer, according to preclinical studies. The promising preclinical results for this 'triple therapy' have underpinned a phase 1 clinical trial in Melbourne, Australia, that is combining venetoclax with hormone therapy and CDK4/6 inhibitors in patients with ER+ breast cancer.

….. (Hentet 21.apr.2020 ) ….. <> Kinetic control of stationary flux ratios for a wide range of biochemical processes [Biophysics and Computational Biology] One of the most intriguing features of biological systems is their ability to regulate the steady-state fluxes of the underlying biochemical reactions; however, the regulatory mechanisms and their physicochemical properties are not fully understood. Fundamentally, flux regulation can be explained with a chemical kinetic formalism describing the transitions between discrete…

….. (Hentet 29.apr.2020 ) ….. <> Kritisk CPR-hul: Forsikringsselskab lod alle og enhver slå op i CPR-registret Sikkerhedshullet er teknisk svært at udnytte, mener IF Forsikring. It-sikkerhedseksperter er ganske uenige.

….. (Hentet 19.maj 2020 ) ….. <> Lab engineers 3D-functional bone tissues Scientists have developed a highly printable bioink as a platform to generate anatomical-scale functional tissues.

….. (Hentet 18.maj 2020 ) ….. <> Lack of insects in cities limits breeding success of urban birds Urban insect populations would need to increase by a factor of at least 2.5 for urban great tits to have same breeding success as those living in forests according to research published in the British Ecological Society's Journal of Animal Ecology.

….. (Hentet 13.maj 2020 ) ….. <> Land rights essential to protect biodiversity and indigenous cultures New research argues that legally protected large territories in Brazil are crucial to protect biodiversity and provide essential conditions for indigenous populations to maintain their traditional livelihoods.

….. (Hentet 26.apr.2020 ) ….. <> Landlords hit back at accusations of aggressive tactics Property owners squeezed as shuttered restaurants and shops fail to make rent payments

….. (Hentet 19.maj 2020 ) ….. <> Landmark recommendations on development of artificial intelligence and the future of global health A landmark review of the role of artificial intelligence (AI) in the future of global health published in The Lancet calls on the global health community to establish guidelines for development and deployment of new technologies and to develop a human-centered research agenda to facilitate equitable and ethical use of AI.

….. (Hentet 22.apr.2020 ) ….. <> Landscape analysis of adȷacent gene rearrangements reveals BCL2L14-ETV6 gene fusions in more aggressive triple-negative breast cancer [Genetics] Triple-negative breast cancer (TNBC) accounts for 10 to 20% of breast cancer, with chemotherapy as its mainstay of treatment due to lack of well-defined targets, and recent genomic sequencing studies have revealed a paucity of TNBC-specific mutations. Recurrent gene fusions comprise a class of viable genetic targets in solid tumors;…

….. (Hentet 20.apr.2020 ) ….. <> Large H2O solubility in dense silica and its implications for the interiors of water-rich planets [Earth, Atmospheric, and Planetary Sciences] Sub-Neptunes are common among the discovered exoplanets. However, lack of knowledge on the state of matter in H2O-rich setting at high pressures and temperatures (P−T) places important limitations on our understanding of this planet type. We have conducted experiments for reactions between SiO2 and H2O as archetypal materials for rock…

….. (Hentet 20.apr.2020 ) ….. <> Large population study links blood infection with certain bacteria to increased risk of colorectal cancer New research due to be presented at this year's European Congress of Clinical Microbiology and Infectious Diseases (ECCMID) shows a link between blood infections with certain anaerobic bacteria and the risk of developing colorectal cancer. The study is by Dr. Ulrik Stenz Justesen, Odense University Hospital, Denmark, and colleagues.

….. (Hentet 14.maj 2020 ) ….. <> Large rockfish leave Chesapeake Bay to become ocean migrators; smaller fish remain A new electronic tagging study of 100 Potomac River striped bass sheds light on rockfish migration in Chesapeake Bay and the Atlantic Coast. University of Maryland Center for Environmental Science researchers found that when rockfish reach 32 inches in length they leave Chesapeake Bay and become ocean migrators. Small fish stayed in the Bay had higher mortality rates than those that undertook ocea

….. (Hentet 7.maj 2020 ) ….. <> Laser loop couples quantum systems over a distance For the first time, researchers have succeeded in creating strong coupling between quantum systems over a greater distance. They accomplished this with a novel method in which a laser loop connects the systems, enabling nearly lossless exchange of information and strong interaction between them. The physicists reported that the new method opens up new possibilities in quantum networks and quantum

….. (Hentet 20.maj 2020 ) ….. <> Laser-based technique captures 3D images of impressionist-style brushstrokes Researchers have developed a new strategy that uses optical coherence tomography (OCT) to acquire both the surface and underlying details of impressionist style oil paintings. This information can be used to create detailed 3D reconstructions to enhance the viewing experience and offer a way for the visually impaired to experience paintings.

….. (Hentet 4.maj 2020 ) ….. <> Last supper: Fish use sharp barbs and spines to fight off hungry seals What price are you willing to pay for food? As humans, we face this challenge each time we shop, but for some seals and dolphins this maj be a life or death decision.

….. (Hentet 21.apr.2020 ) ….. <> Latinos' deportation fears by citizenship and legal status, 2007 to 2018 [Social Sciences] Deportation has become more commonplace in the United States since the mid-2000s. Latin American noncitizens—encompassing undocumented and documented immigrants—are targeted for deportation. Deportation's threat also reaches naturalized and US-born citizens of Latino descent who are largely immune to deportation but whose loved ones or communities are deportable. Drawing on 6…

….. (Hentet 14.maj 2020 ) ….. <> 'Lean lab' approach enables quick research ramp down New 'lean lab' management principles are demonstrating benefits that include cost savings, increased productivity, and a strong safety record.

….. (Hentet 11.maj 2020 ) ….. <> Leap forward in the discovery and development of new antibiotics A powerful new insight, linked to recent studies by Monash Biomedicine Discovery Institute (BDI), has provided a new understanding of Glycopeptide antibiotics (GPAs) biosynthesis that allows new GPAs to be made and tested in the laboratory. This is vital in the quest to develop new antibiotics to keep pace with the ever-evolving 'superbugs' that continue to pose a serious threat to global public h

….. (Hentet 24.apr.2020 ) ….. <> Learn from past to protect oceans History holds valuable lessons—and stark warnings—about how to manage fisheries and other ocean resources, a new study says.

….. (Hentet 29.apr.2020 ) ….. <> Learning from fish and flags to inform new propulsion strategies Recent research has found relationships between frequencies and the passive dynamics at play when vehicles move in air or water toward a better understanding of how to use these forces to enhance performance. Understanding this fluid-structure interaction at a very basic level, could help inform new aircraft and submarine designs with a very different kind of locomotion.

….. (Hentet 12.maj 2020 ) ….. <> Learning what's dangerous is costly, but social animals have a way of lowering the price What would you do if the person standing next to you suddenly screamed and ran away? Would you be able to carry on calmly with what you're doing, or would you panic? Unless you're James Bond, you're most likely to go for the second option: panic.

….. (Hentet 6.maj 2020 ) ….. <> Left and right brain hemispheres found to store memories differently in ants A pair of researchers at the University of Sussex in the U.K. has found that like many other creatures, ants store memories differently in their two brain hemispheres. In their paper published in the journal Proceedings of the Royal Society B, Ana Sofia David Fernandes and Jeremy Niven describe Pavlovian-type experiments they conducted with ants and what they learned from them.

….. (Hentet 20.maj 2020 ) ….. <> Legal cannabis hemp oil effectively treats chronic neuropathic pain Researchers examine the effectiveness of consuming hemp oil extracted from the whole cannabis plant using a chronic neuropathic pain animal model. Researchers showed that legal cannabis hemp oil reduced mechanical pain sensitivity 10-fold for several hours in mice with chronic post-operative neuropathic pain.

….. (Hentet 11.maj 2020 ) ….. <> Lemur Flirting Uses Common Scents To entice female lemurs, ring-tailed males rub wrist secretions, which include compounds we use in perfumes, onto their tails and then wave the tails near the gals.

….. (Hentet 20.maj 2020 ) ….. <> Less water could sustain more Californians if we make every drop count California isn't running out of water," says Richard Luthy. "It's running out of cheap water. But the state can't keep doing what it's been doing for the past 100 years."

….. (Hentet 14.maj 2020 ) ….. <> 'Lettere patenti' help assess intensity of historic central Italian earthquakes Three hundred-year-old administrative documents from the Roman government, granting residents permission to repair damage to their buildings, can help modern-day seismologists calculate intensities for a notable sequence of earthquakes that struck central Italy in 1703.

….. (Hentet 21.apr.2020 ) ….. <> LGBTQ military service members at higher risk of sexual harassment, assault, stalking A recent study found that LGBTQ service members face an elevated risk of sexual victimization including harassment, assault and stalking while in the military than their non-LGBTQ counterparts.

….. (Hentet 2.maj 2020 ) ….. <> Life Inside the Extinction These are startling times, but there's a way out

….. (Hentet 27.apr.2020 ) ….. <> Ligand-dependent downregulation of MR1 cell surface expression [Immunology and Inflammation] The antigen-presenting molecule MR1 presents riboflavin-based metabolites to Mucosal-Associated Invariant T (MAIT) cells. While MR1 egress to the cell surface is ligand-dependent, the ability of small-molecule ligands to impact on MR1 cellular trafficking remains unknown. Arising from an in silico screen of the MR1 ligand-binding pocket, we identify one ligand,…

….. (Hentet 15.maj 2020 ) ….. <> Light, fantastic: The path ahead for faster, smaller computer processors Photonic chips have huge potential for the future of computers and telecommunications. Physicists have now developed hybrid architecture to overcome some of the engineering hurdles facing this technology.

….. (Hentet 7.maj 2020 ) ….. <> Light, sound, action: Extending the life of acoustic waves on microchips Data centres and digital information processors are reaching their capacity limits and producing heat. Foundational work here on optical-acoustic microchips opens door to low-heat, low-energy, fast internet.

….. (Hentet 11.maj 2020 ) ….. <> Lighting the path for cells ETH researchers have developed a new method in which they use light to draw patterns of molecules that guide living cells. The approach allows for a closer look at the development of multicellular organisms—and in the future maj even play a part in novel therapies.

….. (Hentet 20.apr.2020 ) ….. <> LIGO and Virgo detectors catch first gravitational wave from binary black hole merger with unequal masses The expectations of the gravitational-wave research community have been fulfilled: gravitational-wave discoveries are now part of their daily work as they have identified in the past observing run, O3, new gravitational-wave candidates about once a week. But now, the researchers have published a remarkable signal unlike any of those seen before: GW190412 is the first observation of a binary black

….. (Hentet 7.maj 2020 ) ….. <> Lipid metabolism controls brain development A lipid metabolism enzyme controls brain stem cell activity and lifelong brain development. If the enzyme does not work correctly, it causes learning and memory deficits in humans and mice, as researchers have discovered. Regulating stem cell activity via lipid metabolism could lead to new treatments for brain diseases.

….. (Hentet 21.apr.2020 ) ….. <> Listen: Immunity Passports On this episode of Social Distance , staff writer Sarah Zhang joins Katherine Wells and James Hamblin to talk about the limits of antibody testing, whether we'll be carrying around cards with our immunity status, and the lessons she's learned from reporting on past epidemics. Listen to the episode here: Subscribe to Social Distance on Apple Podcasts , Spotify , or another podcast platform to rece

….. (Hentet 29.apr.2020 ) ….. <> Listening for right whales in the ocean deeps Scientists are using algorithms and machine learning to listen for the distinct calls of one of the world's most endangered animals in a bid to identify where they are and shield them from one of their greatest threats.

….. (Hentet 12.maj 2020 ) ….. <> Little skates could hold the key to cartilage therapy in humans Nearly a quarter of Americans suffer from arthritis, most commonly due to the wear and tear of the cartilage that protects the joints. As we age, or get injured, we have no way to grow new cartilage. Unlike humans and other mammals, the skeletons of sharks, skates, and rays are made entirely of cartilage and they continue to grow that cartilage throughout adulthood.

….. (Hentet 22.apr.2020 ) ….. <> Live at 1 pm ET | Why reading is a form of therapy in times of crisis Time and again, reading has been shown to make us healthier, smarter, and more empathic. How can we use literature as therapy during this moment of drastic change? In this live session with Harvard literature professor Lisa New, you'll dive into the world of prose and poetry, discovering the answer to questions like: how can I use reading as a coping mechanism? What do I lose when I only watch th

….. (Hentet 5.maj 2020 ) ….. <> Liver surgery success boosted by growth hormone Growth hormone has been identified as playing a key role in reducing inflammation and increasing survival rates following liver surgery.

….. (Hentet 22.apr.2020 ) ….. <> Lizards change 'cologne' to communicate in new places Lizards rapidly and repeatedly developed new chemical signals for communicating with each other after moving in small groups to experimental islands, researchers report. Free from the risk of predators and intent to attract potential mates, male lizards produce a novel chemical calling card, the new research shows. "…there is important variation in chemical signals depending on your context: Who'

….. (Hentet 21.apr.2020 ) ….. <> Lizards develop new 'love language' Free from the risk of predators and intent to attract potential mates, male lizards relocated to experimental islets in Greece produce a novel chemical calling card, according to new research.

….. (Hentet 21.apr.2020 ) ….. <> Lizards develop new 'love language': Animal chemical signals shift after only four generations Relocated in small groups to experimental islands, lizards rapidly and repeatedly developed new chemical signals for communicating with each other. Free from the risk of predators and intent to attract potential mates, male lizards produce a novel chemical calling card, according to new research from Washington University in St. Louis.

….. (Hentet 23.apr.2020 ) ….. <> Local drivers of decline matter [no content]

….. (Hentet 14.maj 2020 ) ….. <> Local factors restrain forest warming [no content]

….. (Hentet 18.maj 2020 ) ….. <> Location, location, location: The cell membrane facilitates RAS protein interactions Many cancer medications fail to effectively target the most commonly mutated cancer genes in humans, called RAS. Now, scientists have uncovered details into how normal RAS interacts with mutated RAS and other proteins in living cells for the first time. The findings could aid in the development of better RAS-targeted cancer therapeutics.

….. (Hentet 14.maj 2020 ) ….. <> Lock up your pet, it's a killing machine We know feral cats are an enormous problem for wildlife—across Australia, feral cats collectively kill more than three billion animals per year.

….. (Hentet 21.apr.2020 ) ….. <> London restaurant offers 'war bonds' to ease cash flow strains High-end outlets across the capital launch voucher schemes to raise funds from customers

….. (Hentet 29.apr.2020 ) ….. <> Long-term consequences of coastal development as bad as an oil spill on coral reefs Oil pollution is known to cause lethal and sublethal responses on coral communities in the short-term, but its long-term effects have not been widely studied. The Bahia Las Minas oil spill, which contaminated about 40 square kilometers (about 15 square miles) near the Smithsonian's Galeta Point Marine Laboratory in Colon and became the largest recorded near coastal habitats in Panama, served as an

….. (Hentet 18.maj 2020 ) ….. <> Long-term data show hurricanes are getting stronger In almost every region of the world where hurricanes form, their maximum sustained winds are getting stronger. That is according to a new study involving an analysis of nearly 40 years of hurricane satellite imagery.

….. (Hentet 4.maj 2020 ) ….. <> Long-term risks of hypertensive disorders during pregnancy impact more women Twice as many women who experienced a hypertensive disorder during any of their pregnancies were at increased risk of developing heart or kidney diseases earlier in life based on incidence per woman versus per pregnancy, according to a study published today in the Journal of the American College of Cardiology.

….. (Hentet 6.maj 2020 ) ….. <> Look beyond rainforests to protect trees, scientists say Temperate and tropical dry forests—not just rainforests—are home to thousands of unique tree species, a new study reveals.

….. (Hentet 29.apr.2020 ) ….. <> Loss of Arc attenuates the behavioral and molecular responses for sleep homeostasis in mice [Neuroscience] The activity-regulated cytoskeleton-associated protein (Arc) gene is a neural immediate early gene that is involved in synaptic downscaling and is robustly induced by prolonged wakefulness in rodent brains. Converging evidence has led to the hypothesis that wakefulness potentiates, and sleep reduces, synaptic strengthening. This suggests a potential role for Arc…

….. (Hentet 20.apr.2020 ) ….. <> Loss of nucleus accumbens low-frequency fluctuations is a signature of chronic pain [Neuroscience] Chronic pain is a highly prevalent disease with poorly understood pathophysiology. In particular, the brain mechanisms mediating the transition from acute to chronic pain remain largely unknown. Here, we identify a subcortical signature of back pain. Specifically, subacute back pain patients who are at risk for developing chronic pain exhibit…

….. (Hentet 20.apr.2020 ) ….. <> Loss of the neural-specific BAF subunit ACTL6B relieves repression of early response genes and causes recessive autism [Neuroscience] Synaptic activity in neurons leads to the rapid activation of genes involved in mammalian behavior. ATP-dependent chromatin remodelers such as the BAF complex contribute to these responses and are generally thought to activate transcription. However, the mechanisms keeping such "early activation" genes silent have been a mystery. In the course…

….. (Hentet 22.apr.2020 ) ….. <> Low-allergen wheat varieties in development bring good news for the wheat-sensitive New research has heralded a promising step for sufferers of wheat sensitivity or allergy.

….. (Hentet 21.maj 2020 ) ….. <> Low-severity fires enhance long-term carbon retention of peatlands High-intensity fires can destroy peat bogs and cause them to emit huge amounts of their stored carbon into the atmosphere as greenhouse gases, but a new Duke University study finds low-severity fires spark the opposite outcome.

….. (Hentet 21.apr.2020 ) ….. <> 'Lucky' MESSENGER data upends long-held idea about Venus' atmosphere Philosopher Nicholas Rescher once wrote, "Scientific discoveries are often made not on the basis of some well-contrived plan of investigation, but through some stroke of sheer luck."

….. (Hentet 6.maj 2020 ) ….. <> Lyin' eyes: Butterfly, moth eyespots may look the same, but likely evolved separately The iconic eyespots that some moths and butterflies use to ward off predators likely evolved in distinct ways, providing insights into how these insects became so diverse.

….. (Hentet 21.apr.2020 ) ….. <> Lyrid Meteor Shower 2020: Watch It Peak in Night Skies Meteor showers can light up night skies from dusk to dawn, and if you're lucky you might be able to catch a glimpse.

….. (Hentet 21.apr.2020 ) ….. <> Lyrids meteor shower reaches its peak April 21 and 22 is the peak of a shower of meteors—or shooting stars—known as the Lyrids.

….. (Hentet 19.maj 2020 ) ….. <> Lysosome to mitochondria communication regulates longevity As people get older, they often feel less energetic, mobile or active. This maj be due in part to a decline in mitochondria, the tiny powerhouses inside of our cells, which provide energy and regulate metabolism. In fact, mitochondria decline with age not only in humans, but in many species. Why they do so is not well understood. Scientists at the Max Planck Institute for Biology of Ageing in Colo

….. (Hentet 12.maj 2020 ) ….. <> Machine learning cracks quantum chemistry conundrum A new machine learning tool can calculate the energy required to make—or break—a molecule with higher accuracy than conventional methods. While the tool can currently only handle simple molecules, it paves the way for future insights in quantum chemistry.

….. (Hentet 30.apr.2020 ) ….. <> Machine learning enhances light-matter interactions in dielectric nanostructures A new discovery has promising possibilities for the development of a wide range of photonic devices and applications including those involved in optical sensing, optoacoustic vibrations, and narrowband filtering.

….. (Hentet 21.apr.2020 ) ….. <> Machine learning makes building rocket engines easier Methods from scientific machine learning could address the challenges of testing the stability of rocket engines, researchers report. Time, cost, and safety prohibit testing the stability of a test rocket using a physical build "trial and error" approach. But even computational simulations are extremely time consuming. A single analysis of an entire SpaceX Merlin rocket engine, for example, could

….. (Hentet 4.maj 2020 ) ….. <> Magnetic pulses alter salmon's orientation, suggesting they navigate via magnetite in their tissue Researchers in Oregon State University's College of Agricultural Sciences have taken a step closer to solving one of nature's most remarkable mysteries: How do salmon, when it's time to spawn, find their way back from distant ocean locations to the stream where they hatched?

….. (Hentet 5.maj 2020 ) ….. <> 'Magnetic Star' Radio Waves Could Solve the Mystery of Fast Radio Bursts The surprise detection of a radio burst from a neutron star in our galaxy might reveal the origin of a bigger cosmological phenomenon

….. (Hentet 18.maj 2020 ) ….. <> Maintaining heart health may protect against cognitive decline People with a higher risk of developing cardiovascular disease have increased cognitive decline, including an increase in typical markers of Alzheimer's disease, suggesting that monitoring and controlling for heart disease maj be key to maintaining and improving cognitive health later in life.

….. (Hentet 22.apr.2020 ) ….. <> Major declines in populations of threatened mammals over the last 20 years, but news not all bad Populations of Australia's threatened mammals have declined by over one third (38%) in twenty years (1995-2016), according to new research, but the news isn't all bad because among the losses there have been some significant recoveries.

….. (Hentet 28.apr.2020 ) ….. <> Major trial shows breast cancer drug can hit prostate cancer Achilles heel A drug already licensed for the treatment of breast and ovarian cancers is more effective than targeted hormone therapy at keeping cancer in check in some men with advanced prostate cancer, a major clinical trial reports.Olaparib, a pill lacking the side effects of chemotherapy, can target an Achilles heel in prostate cancers with a weakness in their ability to repair damaged DNA.

….. (Hentet 27.apr.2020 ) ….. <> Make wastewater drinkable again Delivering water to city dwellers can become far more efficient, according to researchers who say it should involve a healthy level of recycled wastewater.

….. (Hentet 6.maj 2020 ) ….. <> Making medicine runs in the family: The evolution of medicinal plant compounds What do the painkillers morphine and codeine, the cancer chemotherapy drug vinblastine, the popular brain health supplement salidroside, and a plethora of other important medicines have in common? They are all produced in plants through processes that rely on the same family of enzymes, the aromatic amino acid decarboxylases (AAADs). Plants, which have limited ability to physically react to their

….. (Hentet 30.apr.2020 ) ….. <> Making safe choices: DNA repair mechanisms avoid chromosomal combinations predisposed to disease Homologous recombination is an essential process of DNA repair to maintain genomic integrity of the organism. Now, researchers from Japan have identified mechanisms that choose between alternate pathways of DNA repair to limit anomalous and deleterious chromosomal combinations that maj be predisposed to cancer and genetic diseases.

….. (Hentet 4.maj 2020 ) ….. <> Malaria mosquito research could provide new control tools Scientists have discovered a malaria transmission-blocking microbe, making an important stride in the fight against the disease.

….. (Hentet 21.maj 2020 ) ….. <> Malaria Mosquitoes Are Biting before Bed-Net Time Mosquitoes that like to bite at night are being thwarted by bed nets, leading to the rise of populations that prefer to bite when the nets are not up yet.

….. (Hentet 12.maj 2020 ) ….. <> Malaria mosquitoes eliminated in lab by creating all-male populations A modification that creates more male offspring was able to eliminate populations of malaria mosquitoes in lab experiments.

….. (Hentet 14.maj 2020 ) ….. <> Malaria parasite ticks to its own internal clock Researchers have long known that all of the millions of malaria parasites within an infected person's body move through their cell cycle at the same time. They multiply in sync inside red blood cells, then burst out in unison every few days. But how the parasites keep time was unclear. Now, a study finds that malaria has its own internal clock that causes thousands of genes to ramp up and down at

….. (Hentet 4.maj 2020 ) ….. <> Malaria risk is highest in early evening, study finds Wide-scale use of insecticide-treated bed nets has led to substantial declines in global incidences of malaria in recent years. As a result, mosquitos have been shifting their biting times to earlier in the evening and later in the morning. In a new study, an international team of researchers has found that mosquitoes are most likely to transmit malaria in the early evening, when people are expose

….. (Hentet 18.maj 2020 ) ….. <> Male treefrogs get the jump on rivals The inconsistent sexual signals of male treefrogs have made it more difficult for females to find a quality mate, according to a new study by a researcher at The University of Western Australia.

….. (Hentet 20.apr.2020 ) ….. <> Male-female cardiac repair differences in heart failure survival after heart attack A new study investigated the molecular and cellular processes underlying cardiac repair in male and female mice after a severe heart attack. The researchers discovered that heart repair happened faster in the female mice than the males after heart attack, and that improved survival and delayed cardiac failure.

….. (Hentet 21.maj 2020 ) ….. <> Mammoths, mastodons and the fruit they left behind at Fermilab Scientists at the Department of Energy's Fermi National Accelerator Laboratory are constantly pushing at the boundaries of the unknown in their attempt to understand the origin and physical properties of the universe. Yet Fermilab is more than a gateway to the subatomic world: It's also home to rare and endangered ecosystems, such as grassland prairies and riparian forests, which are becoming incr

….. (Hentet 26.apr.2020 ) ….. <> Manned Aerobatic Racing Drone (action starts at 5:17) submitted by /u/Quantumfog [link] [comments]

….. (Hentet 23.apr.2020 ) ….. <> MAPK-directed activation of the whitefly transcription factor CREB leads to P450-mediated imidacloprid resistance [Agricultural Sciences] The evolution of insect resistance to pesticides poses a continuing threat to agriculture and human health. While much is known about the proximate molecular and biochemical mechanisms that confer resistance, far less is known about the regulation of the specific genes/gene families involved, particularly by trans-acting factors such as signal-regulated…

….. (Hentet 15.maj 2020 ) ….. <> Mapping how evolutionary forces affect cancer growth could help doctors choose biopsies A computer model that uses the principles of evolution to map the growth of populations of cancer cells in tumors could help doctors choose where to take biopsies from tumors, improving decisions about treatment.

….. (Hentet 1.maj 2020 ) ….. <> Mapping mesoscale axonal projections in the mouse brain using a 3D convolutional network [Neuroscience] The projection targets of a neuronal population are a key feature of its anatomical characteristics. Historically, tissue sectioning, confocal microscopy, and manual scoring of specific regions of interest have been used to generate coarse summaries of mesoscale projectomes. We present here TrailMap, a three-dimensional (3D) convolutional network for extracting axonal…

….. (Hentet 21.apr.2020 ) ….. <> Mapping the cis-regulatory architecture of the human retina reveals noncoding genetic variation in disease [Genetics] The interplay of transcription factors and cis-regulatory elements (CREs) orchestrates the dynamic and diverse genetic programs that assemble the human central nervous system (CNS) during development and maintain its function throughout life. Genetic variation within CREs plays a central role in phenotypic variation in complex traits including the risk of…

….. (Hentet 14.maj 2020 ) ….. <> Mapping vertebrate incompatibility alleles [no content]

….. (Hentet 7.maj 2020 ) ….. <> Marijuana May Not Lower Your IQ Rigorous new studies should be able to settle the matter

….. (Hentet 30.apr.2020 ) ….. <> Marine litter in the Bay of Biscay The scientific journal 'Marine Pollution Bulletin' has just published 'Microplastics in the Bay of Biscay: an overview', a piece of work by the 'Materials+Technologies' research group (GMT) of the Faculty of Engineering – Gipuzkoa. It is the first scientific paper that analyses all the research studies conducted until now about the presence of microplastics in the Bay of Biscay. It includes the re

….. (Hentet 12.maj 2020 ) ….. <> Marine waste management: Recycling efficiency by marine microbes It was only relatively recently that tiny, single-celled thaumarchaea were discovered to exist and thrive in the pelagic ocean, where their population size of roughly 1028 (10 billion quintillion) cells makes them one of the most abundant organisms on our planet.

….. (Hentet 29.apr.2020 ) ….. <> Marooned on Mesozoic Madagascar: Researchers discover 66-million-year-old 'crazy beast' In evolutionary terms, islands are the stuff of weirdness. It is on islands where animals evolve in isolation, often for millions of years, with different food sources, competitors, predators, and parasites…indeed, different everything compared to mainland species. As a result, they develop into different shapes and sizes and evolve into new species that, given enough time, spawn yet more new sp

….. (Hentet 30.apr.2020 ) ….. <> Mars Needs Money: White House Budget Could Prompt Retreat from Red Planet Proposed cuts could end decades of U.S. leadership in exploring that world

….. (Hentet 30.apr.2020 ) ….. <> Masks and Emasculation: Why Some Men Refuse to Take Safety Precautions They think it makes them look weak, and avoiding that is evidently more important to them than demonstrating responsible behavior

….. (Hentet 20.apr.2020 ) ….. <> Material grabs minerals for stiffness under pressure A self-adapting material can change its stiffness in response to applied force, researchers report. Inspired by how human bone and colorful coral reefs adjust mineral deposits in response to their surrounding environments, this advancement could someday open the doors for materials that can self-reinforce to prepare for increased force or stop further damage. "Imagine a bone implant or a bridge t

….. (Hentet 11.maj 2020 ) ….. <> Material manufacturing from particles takes a giant step forward Tiny fibrils extracted from plants have been getting a lot of attention for their strength. These nanomaterials have shown great promise in outperforming plastics, and even replacing them. A team led by Aalto University has now shown another remarkable property of nanocelluloses: their strong binding properties to form new materials with any particle.

….. (Hentet 20.apr.2020 ) ….. <> Maternal hypertensive disorders may lead to mental health disorders in children Hypertensive pregnancy disorders, especially preeclampsia — maj increase the risk of psychological development disorders and behavioral and emotional disorders in children. This is the first study to show that preeclampsia predicts increased offspring risk of any childhood mental disorder, regardless of mental disorders in the parents and other conditions.

….. (Hentet 29.apr.2020 ) ….. <> Mathematical modeling of human oocyte aneuploidy [Genetics] Aneuploidy is the leading contributor to pregnancy loss, congenital anomalies, and in vitro fertilization (IVF) failure in humans. Although most aneuploid conceptions are thought to originate from meiotic division errors in the female germline, quantitative studies that link the observed phenotypes to underlying error mechanisms are lacking. In this study,…

….. (Hentet 21.apr.2020 ) ….. <> Matheminecraft: Where math and Minecraft meet Mathematician David Strütt, a scientific collaborator at EPFL, worked for four months to develop Matheminecraft, a math video game in Minecraft, where the gamer has to find a Eulerian cycle in a graph. Minecraft is a sandbox video game released in 2011, where the gamer can build almost anything, from simple houses to complex calculators, using only cubes and fluids. These countless possibilities a

….. (Hentet 8.maj 2020 ) ….. <> Mathias-sagen: Dom må ikke stoppe selvransagelse Forvagten, der var tiltalt for grov uagtsomhed, har erkendt sin skyld. Men det må aldrig blive en undskyldning for ikke at lære af forløbet, at der er placeret et ansvar.

….. (Hentet 22.apr.2020 ) ….. <> Matrix mechanotransduction mediated by thrombospondin-1/integrin/YAP in the vascular remodeling [Cell Biology] The extracellular matrix (ECM) initiates mechanical cues that activate intracellular signaling through matrix–cell interactions. In blood vessels, additional mechanical cues derived from the pulsatile blood flow and pressure play a pivotal role in homeostasis and disease development. Currently, the nature of the cues from the ECM and their interaction with…

….. (Hentet 1.maj 2020 ) ….. <> Matrix-transmitted paratensile signaling enables myofibroblast-fibroblast cross talk in fibrosis expansion [Biophysics and Computational Biology] While the concept of intercellular mechanical communication has been revealed, the mechanistic insights have been poorly evidenced in the context of myofibroblast–fibroblast interaction during fibrosis expansion. Here we report and systematically investigate the mechanical force-mediated myofibroblast–fibroblast cross talk via the fibrous matrix, which we termed paratensile signaling. Paratensile

….. (Hentet 6.maj 2020 ) ….. <> Mats made from nanofibers linked to a red wine chemical could help prevent oxidation Spoiling foods, souring wine and worsening wounds have a common culprit—a process called oxidation. Although the ill effects of these chemical reactions can be curtailed by antioxidants, creating a sturdy platform capable of providing prolonged antioxidant activity is an ongoing challenge.

….. (Hentet 21.maj 2020 ) ….. <> Measuring blood damage Red blood cells sometimes rupture when blood is sent through faulty equipment, such as a dialysis machine. This is called hemolysis. Hemolysis also can occur during blood work when blood is drawn too quickly through a needle, leading to defective laboratory samples. Researchers have now developed a method to monitor blood damage in real-time.

….. (Hentet 13.maj 2020 ) ….. <> Measuring whales with drones to find out if they're fat enough to breed We set off from Fremantle Harbour at 6 am—a ridiculous hour university students aren't usually accustomed to—and sailed to Perth Canyon, 120 kilometers away.

….. (Hentet 4.maj 2020 ) ….. <> Mechanism of water extraction from gypsum rock by desert colonizing microorganisms [Microbiology] Microorganisms, in the most hyperarid deserts around the world, inhabit the inside of rocks as a survival strategy. Water is essential for life, and the ability of a rock substrate to retain water is essential for its habitability. Here we report the mechanism by which gypsum rocks from the Atacama…

….. (Hentet 29.apr.2020 ) ….. <> Mechanisms responsible for tissue growth Publication in Cell: Researchers at the Université libre de Bruxelles (ULB) uncover the mechanisms mediating postnatal tissue development. They found that a unique developmental stem cell population mediates tissue expansion by a constant self-duplication throughout postnatal development.

….. (Hentet 29.apr.2020 ) ….. <> Media bias with corporate social irresponsibility events Researchers from Tilburg University in the Netherlands and the University of Cologne in Germany published a new paper in the Journal of Marketing that explains which factors influence media coverage of CSI events.

….. (Hentet 21.apr.2020 ) ….. <> Media literacy can improve child nutrition, family relationships A new study shows that building critical media skills as a family can have a positive impact on kids' nutrition without restricting their access to TV and computers. Researchers found that an education program that had parents and kids learn media literacy skills together not only helped children eat more fruits and vegetables but also improved communication between parents and their kids.

….. (Hentet 21.apr.2020 ) ….. <> Mediators of the association between low socioeconomic status and poor glycemic control among type 2 diabetics in Bangladesh Scientific Reports, Published online: 21 April 2020; doi:10.1038/s41598-020-63253-8

….. (Hentet 12.maj 2020 ) ….. <> Medicinal plants thrive in biodiversity hotspots With their rich repertoire of anti-infective substances, medicinal plants have always been key in the human fight to survive pathogens and parasites. The search for herbal drugs with novel structures and effects is still one of the great challenges of natural product research today. Scientists from Leipzig University (UL), the Leibniz Institute of Plant Biochemistry (IPB) and the German Centre for

….. (Hentet 21.apr.2020 ) ….. <> Medie: Fup-SMS'er fra norsk smitteapp kan skabes på 10 minutter Norske sundhedsmyndigheder var bekendt med problemet. Sikkerhedsekspert frygter, at brugere får franarret oplysninger.

….. (Hentet 20.maj 2020 ) ….. <> Meet Africa's first pygmy seahorse species An international research team has discovered a new pygmy seahorse species in Sodwana Bay in South Africa, the first of its kind to be found in the waters around the continent.

….. (Hentet 29.apr.2020 ) ….. <> Memory misfires help selfish maintain their self-image When asked to recall how generous they were in the past, selfish people tend to remember being more benevolent than they actually were, according to a series of experiments by Yale psychologists and economists at University of Zurich published April 29, 2020 in the journal Nature Communications.

….. (Hentet 6.maj 2020 ) ….. <> Menopause Predisposes a Fifth of Women to Alzheimer's Being female is a risk factor for Alzheimer's. Why?

….. (Hentet 20.apr.2020 ) ….. <> Mental health preparedness among older youth in foster care Researchers interviewed 17-year-olds in California foster care. The adolescents' use of mental health services is elevated, but not necessarily their confidence level.

….. (Hentet 5.maj 2020 ) ….. <> Metabolic cost of rapid adaptation of single yeast cells [Applied Physical Sciences] Cells can rapidly adapt to changing environments through nongenetic processes; however, the metabolic cost of such adaptation has never been considered. Here we demonstrate metabolic coupling in a remarkable, rapid adaptation process (1 in 1,000 cells adapt per hour) by simultaneously measuring metabolism and division of thousands of individual Saccharomyces…

….. (Hentet 14.maj 2020 ) ….. <> 'Metabolic signature' can determine adherence to Mediterranean diet, help predict CVD risk A newly identified 'metabolic signature' can evaluate an individual's adherence and metabolic response to the Mediterranean diet and help predict future risk of developing cardiovascular disease.

….. (Hentet 14.maj 2020 ) ….. <> Metagenomics reveals distinct microbiotypes in the giant clams Tridacna maxima New research conducted at CRIOBE and ENTROPIE research units, with the collaboration of the Swire institute of Marine Science of The University of Hong Kong, The Cawthron Institute and James Cook University, highlights the impacts of benthic species assemblages on the giant clams Tridacna maxima. The findings were recently published in the journal Microbiome.

….. (Hentet 21.apr.2020 ) ….. <> Metal ions confinement defines the architecture of G-quartet, G-quadruplex fibrils and their assembly into nematic tactoids [Chemistry] G-quadruplex, assembled from a square array of guanine (G) molecules, is an important structure with crucial biological roles in vivo but also a versatile template for ordered functional materials. Although the understanding of G-quadruplex structures is the focus of numerous studies, little is known regarding the control of G-quartet stacking…

….. (Hentet 21.apr.2020 ) ….. <> Michael Dickinson (CalTech) 3: How Flies Fly: Control Have you ever tried to catch a flying fly only to be frustrated by their ability to evade your efforts? Then you know that many insects are extremely agile fliers. In his three talks, Dr. Michael Dickinson uses aerodynamics, muscle physiology and neuroscience to explain how flies fly. In Part 1, Dickinson focuses on lift. How do insects generate t

….. (Hentet 11.maj 2020 ) ….. <> Microalgae food for honey bees A microscopic algae ('microalgae') could provide a complete and sustainably sourced supplemental diet to boost the robustness of managed honey bees, according to research just published by Agricultural Research Service scientists in the journal Apidologie.Poor nutrition in honey bees is often an underlying factor in colony losses because malnutrition amplifies the detrimental effects of parasites,

….. (Hentet 19.maj 2020 ) ….. <> Microbe with taste for stale bread finds its calling Researchers are enlisting mighty microbes in the fight against food waste.

….. (Hentet 28.apr.2020 ) ….. <> Micro-CT scans give clues about how hero shrews' bizarre backbones evolved Hero shrews have some of the weirdest backbones in the animal kingdom — they're incredibly strong, with stories of a 0.25-pound shrew supporting a grown man standing on its back. No one knows what they use these super-strong spines for, though, so scientists took micro-CT scans to examine the backbones inside and out. They discovered evidence that the bones are exposed to lots of stress from back

….. (Hentet 4.maj 2020 ) ….. <> Microorganisms in parched regions extract needed water from colonized rocks In Northern Chile's Atacama Desert, one of the driest places on Earth, microorganisms are able to eke out an existence by extracting water from the very rocks they colonize.

….. (Hentet 21.apr.2020 ) ….. <> Microorganisms work together to survive high temperatures The conventional view is that high temperatures cause microorganisms to replicate slowly or die. In this current textbook view, microorganisms combat heat-induced damage on their own. Reporting in Nature Microbiology, Delft researchers Diederik Laman Trip and Hyun Youk demonstrate that microorganisms (in this case baker's yeast) can actually work together and help each other and their future gener

….. (Hentet 19.maj 2020 ) ….. <> MicroRNA: The 'junk' genetic material with huge potential to fight cancer and dementia Only 1.1% of the nearly 3 billion molecules that make up our genome actually provide genetic instructions. When scientists first worked out what the sequence of letters in our genome was, they originally estimated that as much as 24% of it was useless junk. (The rest comprised duplications and the bits between genes without a known function).

….. (Hentet 13.maj 2020 ) ….. <> Microscopic feather features reveal fossil birds' colors and explain why cassowaries shine Some birds are iridescent because of the physical make-up of their feathers, but scientists had never found evidence of this structural color in the group of birds containing ostriches and cassowaries — until now. Researchers have discovered both what gives cassowary feathers their glossy black shine and what the feathers of birds that lived 52 million years ago looked like.

….. (Hentet 22.apr.2020 ) ….. <> Microwaves power new technology for batteries, energy New battery technology involving microwaves maj provide an avenue for renewable energy conversion and storage. Purdue University researchers created a technique to turn waste polyethylene terephthalate, one of the most recyclable polymers, into components of batteries. They use an ultrafast microwave irradiation process to turn PET, or polyethylene terephthalate, flakes into disodium terephthalate

….. (Hentet 7.maj 2020 ) ….. <> Middle age may be much more stressful now than in the '90s A new study found that life maj be more stressful now than it was in the 1990s, especially for people between the ages of 45 and 64.

….. (Hentet 22.maj 2020 ) ….. <> Migration patterns reveal an Eden for ancient humans and animals Researchers have discovered a new migration pattern (or lack of) at Pinnacle Point, a now-submerged region in South Africa. While it was first believed large omnivores would travel to follow the growth of vegetation to survive, our researcher came to a completely new conclusion through studying antelope teeth! They discovered that this region was an Eden to all living species that called it home,

….. (Hentet 20.maj 2020 ) ….. <> Migratory secrets of recovering whale species Scientists have discovered where a whale species that feeds around the sub-Antarctic island of South Georgia breeds during the winter months. This understanding of where the animals migrate from will enable conservation efforts for their recovery from years of whaling.

….. (Hentet 21.apr.2020 ) ….. <> Milestone for the early detection of sepsis Researchers from Graz, Austria, are developing a ground-breaking method that uses biomarkers to detect sepsis 2 to 3 days before the first clinical symptoms appear. This can significantly increase the chances of survival in cases of blood poisoning by bacteria or fungi.

….. (Hentet 20.apr.2020 ) ….. <> Milky Way could be catapulting stars into its outer halo Astronomers have shown that clusters of supernovas can cause the birth of scattered, eccentrically orbiting suns in outer stellar halos, upending commonly held notions of how star systems have formed and evolved over billions of years.

….. (Hentet 19.apr.2020 ) ….. <> Milky Way could be catapulting stars into its outer halo, UCI astronomers say–mwc041720.php University of California, Irvine astronomers and others have shown that clusters of supernovas can cause the birth of scattered, eccentrically orbiting suns in outer stellar halos, upending commonly held notions of how star systems have formed and evolved over billions of years.

….. (Hentet 20.apr.2020 ) ….. <> Milky Way may fling stars from its center The Milky Way maj catapult stars into its outer halo, astronomers report. In new research, astronomers have shown that clusters of supernovas can cause the birth of scattered, eccentrically orbiting suns in outer stellar halos. The findings upend commonly held notions of how star systems have formed and evolved over billions of years. "…it's likely the Milky Way has been launching stars in circum

….. (Hentet 28.apr.2020 ) ….. <> MILLIPLEX® Assays Powered by xMAP® Technology Look closer, with the largest portfolio of verified assays for Luminex® instruments. Entirely configurable to run the analytes of your choice.

….. (Hentet 13.maj 2020 ) ….. <> Mimicking nature's best medicine opens door to new treatments Discoveries made by a University of Canterbury (UC) organic chemist could be a springboard to new treatments for cancers and antibiotic resistant infections.

….. (Hentet 20.apr.2020 ) ….. <> Mind over body: Improving brain-computer interfaces Researchers are working on understanding how the brain works when learning tasks with the help of brain-computer interface technology. The team is moving the needle forward on brain-computer interface technology intended to help improve the lives of amputee patients who use neural prosthetics.

….. (Hentet 20.apr.2020 ) ….. <> Mind over body: The search for stronger brain-computer interfaces Researchers at the University of Pittsburgh and Carnegie Mellon University are working on understanding how the brain works when learning tasks with the help of brain-computer interface technology. In a set of papers, the second of which was published in Nature Biomedical Engineering, the team is moving the needle forward on brain-computer interface technology intended to help improve the lives of

….. (Hentet 30.apr.2020 ) ….. <> Mind-controlled arm prostheses that 'feel' are now a part of everyday life For the first time, people with arm amputations can experience sensations of touch in a mind-controlled arm prosthesis that they use in everyday life. A study reports on three Swedish patients who have lived, for several years, with this new technology — one of the world's most integrated interfaces between human and machine.

….. (Hentet 18.maj 2020 ) ….. <> Mindfulness training shows promise for people with MS New research suggests mindfulness training maj help multiple sclerosis patients in two very different ways: regulating negative emotions and improving processing speed.People with MS who underwent the four-week mindfulness training not only improved more compared to those who did nothing – they also improved compared to those who tried another treatment, called adaptive cognitive training.

….. (Hentet 13.maj 2020 ) ….. <> Minimum legal age for cannabis use should be 19, study suggests The optimal minimum legal age for non-medical cannabis use is 19 years of age, according to a study published in BMC Public Health.

….. (Hentet 28.apr.2020 ) ….. <> Minor evolutionary changes helped transform the salamander tongue into a fast elastic recoil mechanism A team of researchers from the University of South Florida and California State University Stanislaus has found that just a few minor evolutionary changes led to the development of the superfast salamander tongue. In their paper published in Proceedings of the National Academy of Sciences, the group describes their study of a variety of salamander species and what they learned about their strong e

….. (Hentet 22.apr.2020 ) ….. <> Mint scent inhibits the growth of weeds Some plants are very successful in the competition for space, nutrients, and water. They inhibit the growth of their competitors by chemical signals that cause cells of the neighboring plant to die. Scientists of the Botanical Institute of Karlsruhe Institute of Technology (KIT) study this effect for potential use in environmentally compatible bioherbicides.

….. (Hentet 21.apr.2020 ) ….. <> Mischaracterization of bison migratory patterns in Yellowstone National Park: Consequences for the Green Wave Hypothesis [Letters (Online Only)] Geremia et al. (1) analyze a range of data on bison movement, remotely sensed Normalized Difference Vegetation Index, and plant dietary quality at Yellowstone National Park to test tenets of the Green Wave Hypothesis (GWH). The authors conclude that bison migrate in concert with plant phenological development along elevational gradients…

….. (Hentet 21.apr.2020 ) ….. <> Mismatched and wobble base pairs govern primary microRNA processing by human Microprocessor Nature Communications, Published online: 21 April 2020; doi:10.1038/s41467-020-15674-2 MicroRNA genes are transcribed to long primary transcripts called primary microRNAs, which are cleaved by Microprocessor. Here the authors employ high-throughput sequencing and Microprocessor assay to show that mismatches and wobble base pairs in primary microRNAs affect the accuracy and efficiency of Microproc

….. (Hentet 13.maj 2020 ) ….. <> Missing component of innate immune signaling identified Scientists have identified a new key element of the multi-component machinery responsible for sorting out the nature and severity of the pathogen challenge. The new protein, named TASL, is indispensable for the signaling of so-called Toll-like receptors (TLR) in the endosomes leading to activation of the gene-activator IRF5 in certain immune cells.

….. (Hentet 22.maj 2020 ) ….. <> Mississippi Delta marshes in a state of irreversible collapse, Tulane study shows A key finding of the study, published in Science Advances, is that coastal marshes experience tipping points, where a small increase in the rate of sea-level rise leads to widespread submergence.

….. (Hentet 21.apr.2020 ) ….. <> MIT Cuts Ties With a Chinese AI Firm Amid Human Rights Concerns Reports accuse iFlytek of selling technology to the government that's used to oppress ethnic Uighurs in China's northwest.

….. (Hentet 21.apr.2020 ) ….. <> Mitch Allmond: Shaping a better fundamental understanding of matter In the Physics Division of the Department of Energy's Oak Ridge National Laboratory, James ("Mitch") Allmond conducts experiments and uses theoretical models to advance our understanding of the structure of atomic nuclei, which are made of various combinations of protons and neutrons (nucleons).

….. (Hentet 14.maj 2020 ) ….. <> Modeling infectious disease dynamics [no content]

….. (Hentet 14.maj 2020 ) ….. <> Modeling peanut allergy in mice [no content]

….. (Hentet 21.apr.2020 ) ….. <> Modelling wrinkling and buckling in materials that form the basis of flexible electronics Flexible circuits have become a highly desirable commodity in modern technology, with applications in biotechnology, electronics, monitors and screens, being of particular importance. A new paper authored by John F. Niven, Department of Physics & Astronomy, McMaster University, Hamilton, Ontario, published in EPJ E, aims to understand how materials used in flexible electronics behave under stress

….. (Hentet 15.maj 2020 ) ….. <> Modern sea-level rise linked to human activities, Rutgers research reaffirms New research by Rutgers scientists reaffirms that modern sea-level rise is linked to human activities and not to changes in Earth's orbit. Surprisingly, the Earth had nearly ice-free conditions with carbon dioxide levels not much higher than today and had glacial periods in times previously believed to be ice-free over the last 66 million years, according to a paper published in the journal Scienc

….. (Hentet 21.apr.2020 ) ….. <> Modular repeat protein sculpting using rigid helical junctions [Biophysics and Computational Biology] The ability to precisely design large proteins with diverse shapes would enable applications ranging from the design of protein binders that wrap around their target to the positioning of multiple functional sites in specified orientations. We describe a protein backbone design method for generating a wide range of rigid fusions…

….. (Hentet 1.maj 2020 ) ….. <> Modulations of foveal vision associated with microsaccade preparation [Psychological and Cognitive Sciences] It is known that attention shifts prior to a saccade to start processing the saccade target before it lands in the foveola, the high-resolution region of the retina. Yet, once the target is foveated, microsaccades, tiny saccades maintaining the fixated object within the fovea, continue to occur. What is the…

….. (Hentet 1.maj 2020 ) ….. <> Molecular basis of rare neurological disorder reveals potential treatment Like people, neurons need to talk to one another. But instead of turning thoughts into words, these cells convert electrical signals into chemical ones. Scientists have new findings on how one protein triggers this crucial conversion.

….. (Hentet 24.apr.2020 ) ….. <> Molecular dysregulation of ciliary polycystin-2 channels caused by variants in the TOP domain [Biophysics and Computational Biology] Genetic variants in PKD2 which encodes for the polycystin-2 ion channel are responsible for many clinical cases of autosomal dominant polycystic kidney disease (ADPKD). Despite our strong understanding of the genetic basis of ADPKD, we do not know how most variants impact channel function. Polycystin-2 is found in organelle membranes,…

….. (Hentet 29.apr.2020 ) ….. <> Molecular switch plays crucial role in learning from negative experiences Neurobiologists have discovered how the signalling molecule Neuromedin U plays a crucial role in our learning process. The protein allows the brain to recall negative memories and, as such, learn from the past.

….. (Hentet 20.maj 2020 ) ….. <> Molecule-plasmon coupling strength tunes surface-enhanced infrared absorption spectral lineshapes Plasmon-enhanced molecular spectroscopies have attracted tremendous attention as powerful detection tools with ultrahigh sensitivity down to the single-molecule level. The optical response of molecules in the vicinity of nanostructures with plasmon resonance would be dramatically enhanced through interactions with plasmons. However, beyond the signal amplification, the molecule-plasmon interaction

….. (Hentet 19.maj 2020 ) ….. <> Molybdenum telluride nanosheets enable selective electrochemical production of hydrogen peroxide Selective electrochemical production of hydrogen peroxide (H2O2) from oxygen reduction reaction in acids is highly desirable but challenging. Now scientists in China and Ireland reported 2H MoTe2 nanoflakes prepared from liquid phase exfoliation were highly active and selective for hydrogen peroxide production in acidic solution with the performance approaching that of the precious metal benchmark

….. (Hentet 5.maj 2020 ) ….. <> More berries, apples and tea may have protective benefits against Alzheimer's Older adults with low intake of foods and drinks containing flavonoids, such as berries, apples, and tea, were more likely to develop Alzheimer's disease and related dementias over 20 years, compared with people who consumed more of those items, according to a new study.

….. (Hentet 22.apr.2020 ) ….. <> More protections needed to safeguard biodiversity in the Southern Ocean Current marine protected areas in the Southern Ocean need to be at least doubled to adequately safeguard the biodiversity of the Antarctic, according to a new study.

….. (Hentet 8.maj 2020 ) ….. <> More selective elimination of leukemia stem cells and blood stem cells Hematopoietic stem cells from a healthy donor can help patients suffering from acute leukemia. However, the side effects of therapies are often severe. Researchers have now shown how human healthy and cancerous hematopoietic stem cells can be more selectively eliminated using immunotherapy instead of chemotherapy in mice. The aim is to test the new immunotherapy in humans as soon as possible.

….. (Hentet 20.apr.2020 ) ….. <> More than 1m salaries covered as UK steps up business rescue HMRC computer system withstands more than 140,000 companies applying to scheme

….. (Hentet 12.maj 2020 ) ….. <> More than the sum of their genes Reproducing efficiently in captivity is crucial for the survival of many wildlife species, yet reproductive success is often lower than in the wild. Currently, many zoo population management strategies prioritize the genetic diversity of captive populations. Scientists now argue that a broader perspective is required which also includes behavior, life-history, husbandry and environmental considera

….. (Hentet 18.maj 2020 ) ….. <> Mother roundworms have ultra-protective instincts University of Iowa biologists have learned animals can alert future offspring of dangers they will encounter when born. In studies with roundworms and mouse cells, researchers showed how mothers pass chemical signals to their unfertilized eggs, where the warning is stored in the egg cells and passed to offspring after birth.

….. (Hentet 12.maj 2020 ) ….. <> Moths have a secret but vital role as pollinators in the night Moths are important pollen transporters in English farmland and might play a role in supporting crop yields, according to a new UCL study.

….. (Hentet 29.apr.2020 ) ….. <> MRI scanning assists with next generation battery design Magnetic resonance imaging (MRI) can provide an effective way of supporting the development of the next generation of high-performance rechargeable batteries, according to research led by the University of Birmingham.

….. (Hentet 22.apr.2020 ) ….. <> MTV proteins unveil ER- and microtubule-associated compartments in the plant vacuolar trafficking pathway [Cell Biology] The factors and mechanisms involved in vacuolar transport in plants, and in particular those directing vesicles to their target endomembrane compartment, remain largely unknown. To identify components of the vacuolar trafficking machinery, we searched for Arabidopsis modified transport to the vacuole (mtv) mutants that abnormally secrete the synthetic vacuolar cargo…

….. (Hentet 21.apr.2020 ) ….. <> Multifunctional composites for elastic and electromagnetic wave propagation [Engineering] Composites are ideally suited to achieve desirable multifunctional effective properties since the best properties of different materials can be judiciously combined with designed microstructures. Here, we establish cross-property relations for two-phase composite media that link effective elastic and electromagnetic wave characteristics to one another, including the respective effective wave speed

….. (Hentet 5.maj 2020 ) ….. <> Multifunctional porous carbon fibers show significant promise in capacitive desalination Researchers have developed a material that is up to 40 times faster in desalinating small batches of water than other materials available today.

….. (Hentet 23.apr.2020 ) ….. <> Multi-functionalization of graphene for molecular targeted cancer therapy Three functional molecules (near-infrared fluorescent probe, tumor targeting molecule, and anticancer drug) are successfully decollated onto the surface of graphene molecule. The multi-functional graphene allows effective cancer cell elimination.

….. (Hentet 24.apr.2020 ) ….. <> Multiple agents managing a harmful species population should either work together to control it or split their duties to eradicate it [Economic Sciences] The management of harmful species, including invasive species, pests, parasites, and diseases, is a major global challenge. Harmful species cause severe damage to ecosystems, biodiversity, agriculture, and human health. In particular, managing harmful species often requires cooperation among multiple agents, such as landowners, agencies, and countries. Each agent maj have…

….. (Hentet 5.maj 2020 ) ….. <> Multiple antisocial personalities? [Social Sciences] Engelmann et al. ask whether "personality traits [can] help us better understand economic behavior across strategic contexts" (ref. 1, p. 12781), and, as an answer to this, identify "an antisocial personality profile" (APP) (ref. 1, p. 12785). There is much to like about this investigation; in particular, it illustrates "that…

….. (Hentet 4.maj 2020 ) ….. <> Multiple flooding sources threaten Honolulu's infrastructure Researchers found in the next few decades, sea level rise will likely cause large and increasing percentages of land area to be impacted simultaneously by the three flood mechanisms. Further, they found direct marine inundation represents the least extensive — only three percent of the predicted flooding, while groundwater inundation represents the most extensive flood source.

….. (Hentet 14.maj 2020 ) ….. <> Multiscale crop modeling effort required to assess climate change adaptation Crop modeling is essential for understanding how to secure the food supply as the planet adapts to climate change. Many current crop models focus on simulating crop growth and yield at the field scale, but lack genetic and physiological data, which maj hamper accurate production and environmental impact assessment at larger scales.

….. (Hentet 11.maj 2020 ) ….. <> Multitasking in the workplace can lead to negative emotions From writing papers to answering emails, it's common for office workers to juggle multiple tasks at once. But those constant interruptions can actually create sadness and fear and eventually, a tense working environment, according to a new study aimed at understanding what shapes the emotional culture of a workplace.

….. (Hentet 18.maj 2020 ) ….. <> Mussel reefs heighten risk of microplastic exposure and consumption Commercially important seafood species are at greater risk of microplastic contamination depending how they clump together in the marine environment, new research suggests.

….. (Hentet 30.apr.2020 ) ….. <> Mutation of a PER2 phosphodegron perturbs the circadian phosphoswitch [Cell Biology] Casein kinase 1 (CK1) plays a central role in regulating the period of the circadian clock. In mammals, PER2 protein abundance is regulated by CK1-mediated phosphorylation and proteasomal degradation. On the other hand, recent studies have questioned whether the degradation of the core circadian machinery is a critical step in…

….. (Hentet 26.apr.2020 ) ….. <> My dad said I wasn't black enough. At last, I know what he meant | Raven Smith I'm mixed race and 'culturally white', and seemed to be a disappointment to my father – but we just weren't close My dad said it to me when I was seven years old and it stung like vinegar on a paper cut. Of all the things you throw at kids you never know which ones will stick. This one accidentally stuck. I'm not black enough. The phrase, the unblackness, was planted, and developed like an irksom

….. (Hentet 21.apr.2020 ) ….. <> Mysterious 'Planet Nine' on the solar system's edge may not be real Strange orbits of distant space rocks have been used to infer that the solar system has an unseen ninth planet, but those orbits maj be less strange than we thought, meaning there is no need for a new planet

….. (Hentet 21.maj 2020 ) ….. <> Mysterious glowing coral reefs are fighting to recover A new study has revealed why some corals exhibit a dazzling colorful display, instead of turning white, when they suffer 'coral bleaching' — a condition which can devastate reefs and is caused by ocean warming. The scientists behind the research think this phenomenon is a sign that corals are fighting to survive.

….. (Hentet 18.maj 2020 ) ….. <> Mystery of lava-like flows on Mars solved by scientists The mystery of some lava-like flows on Mars has been solved by scientists who say they are caused not by lava but by mud. There are tens of thousands of these landforms on the Martian surface, often situated where there are massive channels scoured into the surface by ancient liquids flowing downstream.Scientists performed experiments at low pressure and at extremely cold temperatures (-20°C) to r

….. (Hentet 29.apr.2020 ) ….. <> Nairobi flies: unpacking the mystery of a small beetle with huge burn power A huge swarm of small black and red insects were recently seen in a town called Kabarnet, in western Kenya.

….. (Hentet 30.apr.2020 ) ….. <> Naked mole-rats need carbon dioxide to avoid seizures and here's why African naked mole-rats are sometimes referred to as animal superheroes. They resist cancer, tolerate pain, and live a remarkably long time. They're also known for their ability to handle high levels of carbon dioxide and can go for several minutes without oxygen. But researchers say they maj have found the mole-rats' kryptonite: they need high levels of carbon dioxide to function.

….. (Hentet 20.maj 2020 ) ….. <> Nanobowls serve up chemotherapy drugs to cancer cells For decades, scientists have explored the use of liposomes—hollow spheres made of lipid bilayers—to deliver chemotherapy drugs to tumor cells. But drugs can sometimes leak out of liposomes before they reach their destination, reducing the dose received by the tumor and causing side effects in healthy tissues. Now, researchers report in ACS' Nano Letters a way to stabilize liposomes by embedding a

….. (Hentet 30.apr.2020 ) ….. <> Nanodevices for the brain could thwart formation of Alzheimer's plaques Alzheimer's disease is the sixth leading cause of death in the United States, affecting one in 10 people over the age of 65. Scientists are engineering nanodevices to disrupt processes in the brain that lead to the disease.

….. (Hentet 12.maj 2020 ) ….. <> Nanofiber membranes transformed into 3-D scaffolds In the movie "Transformers," cars morph into robots, jets or a variety of machinery. A similar concept inspired a group of researchers to combine gas foaming, which is a blend of chemicals that induces gas bubbling, and 3-D molding technologies to quickly transform electrospun membranes into complex 3-D shapes for biomedical applications.

….. (Hentet 17.apr.2020 ) ….. <> Nanoparticles: Acidic alert Researchers have synthesized nanoparticles that can be induced by a change in pH to release a deadly dose of ionized iron within cells. This mechanism could potentially open up new approaches to the targeted elimination of malignant tumors.

….. (Hentet 1.maj 2020 ) ….. <> Nanostimulators boost stem cells for muscle repair In regenerative medicine, an ideal treatment for patients whose muscles are damaged from lack of oxygen would be to invigorate them with an injection of their own stem cells.Illinois researchers demonstrated that 'nanostimulators' – -nanoparticles seeded with a molecule the body naturally produces to prompt stem cells to heal wounds — can amp up stem cells' regenerative powers in a targeted limb

….. (Hentet 30.apr.2020 ) ….. <> Nanowire-based THz detection [no content]

….. (Hentet 15.maj 2020 ) ….. <> NASA analyzes developing System 90L in Straits of Florida A low-pressure area designated as System 90L appears to be developing in the Straits of Florida, located between Southern Florida and Cuba. NASA's Aqua satellite measured cloud top temperatures within the developing system and found some stronger storms.

….. (Hentet 21.apr.2020 ) ….. <> NASA and ESA Lay Groundwork for Mars Sample Return Mission Scientists have dreamed for decades of getting samples direct from Mars, and this fantasy could become reality in the next decade. NASA's upcoming Perseverance rover will set the stage for a future sample return mission, and NASA has partnered with the European Space Agency (ESA) to get those samples back. In a recent virtual news conference, NASA's Mars exploration team talked about the agency's

….. (Hentet 27.apr.2020 ) ….. <> NASA catches formation and final fate of Eastern Pacific's Tropical Depression 1E The Eastern Pacific Ocean's hurricane season maj not officially start until mid-maj , but the first tropical cyclone of the season formed over the weekend of April 25 and 26. NASA's Aqua satellite provided an infrared look at the small depression when it was at its peak and before it became post-tropical.

….. (Hentet 19.maj 2020 ) ….. <> NASA examines tropical storm Arthur's rainfall as it transitions When the Global Precipitation Measurement mission or GPM core satellite passed over the western North Atlantic Ocean, it captured rainfall data on Tropical Storm Arthur as the storm was transitioning into an extra-tropical storm.

….. (Hentet 22.maj 2020 ) ….. <> NASA examines tropical storm Mangga in infrared light NASA's Aqua satellite used infrared light to provide forecasters with a look at the temperatures of the cloud tops in Tropical Storm Mangga.

….. (Hentet 18.maj 2020 ) ….. <> NASA finds a disorganized tropical storm Arthur near North Carolina coast Infrared imagery from NASA's Aqua satellite and radar imagery revealed that Tropical Storm Arthur remains poorly organized. Strongest storms, according to the Aqua data, appeared along and off the southeastern coast of North Carolina.

….. (Hentet 18.maj 2020 ) ….. <> NASA finds heavy water vapor concentration rings eye of Cyclone Amphan When NASA's Aqua satellite passed over the Northern Indian Ocean on maj 18, it gathered water vapor data that showed the intensity of powerful Tropical Cyclone Amphan. Amphan is the equivalent of a Category 5 hurricane on the Saffir-Simpson Hurricane Wind Scale.

….. (Hentet 13.maj 2020 ) ….. <> NASA finds Vongfong at typhoon strength Philippine warnings up NASA's Terra satellite revealed powerful storms in Vongfong as it ramped up from a tropical storm to a typhoon. Vongfong is known locally in the Philippines as Typhoon Ambo.

….. (Hentet 18.maj 2020 ) ….. <> NASA Just Released The Artemis Accords – Guidelines For Humans to Abide by in Space Welcome to a brave new era of exploration.

….. (Hentet 21.maj 2020 ) ….. <> NASA Proposes New Rules for Moon-Focused Space Race The Artemis Accords could ensure a peaceful and prosperous future for lunar exploration—if everyone agrees to them

….. (Hentet 21.apr.2020 ) ….. <> NASA Reveals Composition of Alien Comet Our solar system has most likely had many interstellar visitors over the eons, but we've only managed to spot a few. The first was 'Oumuamua in 2017, but amateur astronomer Gennady Borisov spotted the object now known as 2I/Borisov late last year. Scientists have been able to take a closer look at this object as it nears the sun, even managing to analyze its composition . And it's pretty, well… a

….. (Hentet 20.maj 2020 ) ….. <> NASA satellites covering typhoon Amphan headed for landfall NASA satellites have been providing forecasters with various types of imagery on Typhoon Amphan as it heads toward a landfall near the border of eastern India and Bangladesh on maj 20.

….. (Hentet 12.maj 2020 ) ….. <> NASA sees Tropical Storm Vongfong form and threaten the Philippines A low-pressure area that formed in the Northwestern Pacific Ocean several days ago has consolidated and organized into a tropical storm. NASA's Aqua satellite provided forecasters with a visible image of newly formed Tropical Storm Vongfong.

….. (Hentet 1.maj 2020 ) ….. <> NASA space laser missions map 16 years of ice sheet loss Using the most advanced Earth-observing laser instrument NASA has ever flown in space, scientists have made precise, detailed measurements of how the elevation of the Greenland and Antarctic ice sheets have changed over 16 years.

….. (Hentet 21.apr.2020 ) ….. <> NASA: Something Is Off About This Interstellar Comet In 2019, astronomers made an incredible discovery: a comet from a different star system making a close approach to the Sun at an extremely unusual trajectory, which was later named " 2I/Borisov " after the amateur astronomer who discovered it. Observations suggest that its home star system could resemble our own . NASA scientists have even suggested that the object maj hold water . Now, a new stu

….. (Hentet 20.maj 2020 ) ….. <> NASA-NOAA satellite catches post-tropical storm Arthur's end NASA-NOAA's Suomi NPP satellite passed over the western North Atlantic Ocean and provided forecasters with a visible image of Post Tropical Storm Arthur.

….. (Hentet 19.maj 2020 ) ….. <> NASA-NOAA satellite sees Amphan's eye obscured Early on maj 18, 2020, Tropical Cyclone Amphan was a Category 5 storm in the Northern Indian Ocean. On maj 19, satellite data from NASA-NOAA's Suomi NPP satellite revealed that the storm has weakened and the eye was covered by high clouds.

….. (Hentet 19.maj 2020 ) ….. <> NASA's Curiosity rover finds clues to chilly ancient Mars buried in rocks By studying the chemical elements on Mars today — including carbon and oxygen — scientists can work backwards to piece together the history of a planet that once had the conditions necessary to support life.

….. (Hentet 14.maj 2020 ) ….. <> NASA's ICESat-2 measures arctic ocean's sea ice thickness, snow cover Arctic sea ice helps keep Earth cool, as its bright surface reflects the Sun's energy back into space. Each year scientists use multiple satellites and data sets to track how much of the Arctic Ocean is covered in sea ice, but its thickness is harder to gauge. Initial results from NASA's new Ice Cloud and land Elevation Satellite-2 (ICESat-2) suggest that the sea ice has thinned by as much as 20%

….. (Hentet 21.apr.2020 ) ….. <> NASA's Mars 2020 Perseverance rover gets balanced With 13 weeks to go before the launch period of NASA's Mars 2020 Perseverance rover opens, final preparations of the spacecraft continue at the Kennedy Space Center in Florida. On April 8, the assembly, test and launch operations team completed a crucial mass properties test of the rover.

….. (Hentet 13.maj 2020 ) ….. <> Native guava first Australian casualty of global plant disease The native guava is one of the first Australian plants to be pushed to the brink of extinction by a fungal plant disease which has spread rapidly across the globe, according to a new study by scientists from the Australian Government's National Environmental Science Program.

….. (Hentet 27.apr.2020 ) ….. <> Nature reveals there's more than one way to build a lung Our bodies are home to hidden trees—complex, branching structures vital to the functions of organs including the lung, kidney, and pancreas.

….. (Hentet 8.maj 2020 ) ….. <> Neanderthals were choosy about making bone tools Evidence continues to mount that the Neanderthals, who lived in Europe and Asia until about 40,000 years ago, were more sophisticated people than once thought. A new study shows that Neanderthals chose to use bones from specific animals to make a tool for specific purpose: working hides into leather.

….. (Hentet 21.apr.2020 ) ….. <> NEI researchers link age-related DNA modifications to susceptibility to eye disease National Eye Institute (NEI) researchers profiling epigenomic changes in light-sensing mouse photoreceptors have a clearer picture of how age-related eye diseases maj be linked to age-related changes in the regulation of gene expression. The findings, published online April 21 in Cell Reports, suggest that the epigenome could be targeted as a therapeutic strategy to prevent leading causes of visio

….. (Hentet 20.apr.2020 ) ….. <> Neolithic genomes from modern-day Switzerland indicate parallel ancient societies Genetic research throughout Europe shows evidence of drastic population changes near the end of the Neolithic period, as shown by the arrival of ancestry related to pastoralists from the Pontic-Caspian steppe. But the timing of this change and the arrival and mixture process of these peoples, particularly in Central Europe, is little understood. In a new study, researchers analyze 96 ancient genom

….. (Hentet 27.apr.2020 ) ….. <> Neonatal CSF vasopressin concentration predicts later medical record diagnoses of autism spectrum disorder [Psychological and Cognitive Sciences] Autism spectrum disorder (ASD) is a brain disorder characterized by social impairments. ASD is currently diagnosed on the basis of behavioral criteria because no robust biomarkers have been identified. However, we recently found that cerebrospinal fluid (CSF) concentration of the "social" neuropeptide arginine vasopressin (AVP) is significantly lower in pediatric…

….. (Hentet 1.maj 2020 ) ….. <> Nest-building style reflects birds' early experience How birds build their first nest depends on the environment in which they grew up, according to new research from St Andrews.

….. (Hentet 5.maj 2020 ) ….. <> Neutron crystallography of copper amine oxidase reveals keto/enolate interconversion of the quinone cofactor and unusual proton sharing [Biochemistry] Recent advances in neutron crystallographic studies have provided structural bases for quantum behaviors of protons observed in enzymatic reactions. Thus, we resolved the neutron crystal structure of a bacterial copper (Cu) amine oxidase (CAO), which contains a prosthetic Cu ion and a protein-derived redox cofactor, topa quinone (TPQ). We solved…