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Coronavirus News Roundup: September 26-October 2
Here are pandemic highlights for the week — Read more on ScientificAmerican.com
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How might President Donald Trump fare with COVID-19?
"Obviously, the president of the United States has access to everything"
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Tunable free-electron X-ray radiation from van der Waals materials
The suggested apparatus produces controlled radiation with a narrow spectrum that can be tuned with high resolution, at a relatively low energy investment. The findings are likely to lead to breakthroughs in a variety of fields, including the analysis of chemicals and biological materials, medical imaging, X-ray equipment for security screening, and other uses of accurate X-ray sources
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Search underway for murder hornets nest in Washington state (Update)
Agricultural officials in Washington state said Friday they are trying to find and destroy a nest of Asian giant hornets—also known as murder hornets—amid concerns they could kill honey bees crucial for pollinating raspberry and blueberry crops.
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Search underway for murder hornets nest in Washington state (Update)
Agricultural officials in Washington state said Friday they are trying to find and destroy a nest of Asian giant hornets—also known as murder hornets—amid concerns they could kill honey bees crucial for pollinating raspberry and blueberry crops.
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Who Did Trump Infect? Tracing His Contacts Is a Big Task
The president, who tested positive for coronavirus on Thursday, has been at campaign rallies and fundraisers, potentially exposing hundreds of people.
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Gene expression altered by direction of forces acting on cell
Tissues and cells in the human body are subjected to a constant push and pull – strained by other cells, blood pressure and fluid flow, to name a few. The type and direction of the force on a cell alters gene expression by stretching different regions of DNA, researchers in China found in a new study.
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Tunable free-electron X-ray radiation from van der Waals materials
The suggested apparatus produces controlled radiation with a narrow spectrum that can be tuned with high resolution, at a relatively low energy investment. The findings are likely to lead to breakthroughs in a variety of fields, including the analysis of chemicals and biological materials, medical imaging, X-ray equipment for security screening, and other uses of accurate X-ray sources
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Repurposed anti-malarial compounds kill diarrheal parasite, study finds
A class of compounds used for malaria treatment also kill the intestinal parasite Cryptosporidium, a leading cause of diarrheal disease and death in children that has no cure, a multi-institution collaboration of researchers found in a new study.
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The Books Briefing: British Invasion
England's status in the history of rock and roll and punk music is almost mythical. So much of what we listen to now was influenced in some way by British bands and musicians such as the Beatles, the Rolling Stones, David Bowie, the Clash, and the Who, all of whom were themselves taking cues from the Black American founders of rock music, including Chuck Berry and Little Richard. Punk rock, also
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Cave Diver Risks All To Explore Places 'Where Nobody Has Ever Been'
"The big picture of survival is sometimes so hard to see," says cave diver and photographer Jill Heinerth. Her memoir is called Into the Planet. Originally broadcast Aug. 19. 2019 .
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Personalized cancer therapy improves outcomes in advanced disease, says study
Patients receiving care for advanced cancer at Moores Cancer Center at UC San Diego Health were more likely to survive or experience a longer period without their disease progressing if they received personalized cancer therapy, report University of California San Diego School of Medicine researchers.
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New nanotechology design provides hope for personalized vaccination for treating cancer
A new study demonstrates the use of charged nanoscale metal-organic frameworks for generating free radicals using X-rays within tumor tissue to kill cancer cells directly. Furthermore, the same frameworks can be used for delivering immune signaling molecules known as PAMPs to activate the immune response against tumor cells. By combining these two approaches into one easily administered "vaccine,"
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Lab grown tumour models could lead to improved ovarian cancer treatments
Scientists have created a three-dimensional (3D) tumour model in the laboratory for ovarian cancer that could lead to improved understanding and treatment of the disease.
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Cancer immunotherapy 'uniquely suppressed' by liver tumors
Though cancer immunotherapy has become a promising standard-of-care treatment–and in some cases, perhaps a cure–for a wide variety of different cancers, it doesn't work for everyone, and researchers have increasingly turned their attention to understanding why.
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Biomedical sciences researchers find new way to prevent and cure rotavirus, other viral infections
A combination of two substances secreted by the immune system can cure and prevent rotavirus infection, as well as potentially treat other viral infections that target epithelial cells, which cover body surfaces such as skin, blood vessels, organs and the urinary tract, according to researchers in the Institute for Biomedical Sciences at Georgia State University.
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A social-belonging intervention improves STEM outcomes for ESL students
A study conducted at 19 universities by IU researchers and their colleagues in the US and Canada, found that a brief social belonging exercise, administered online before students arrive on campus, boosts the performance and persistence of students in STEM disciplines – science, technology, engineering and math – who speak English as a second language.
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With 1m dead, are we any better at treating Covid-19?
The survival rate for people suffering from coronavirus has improved but doctors still want more effective therapies
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High-throughput small molecule screening reveals Nrf2-dependent and -independent pathways of cellular stress resistance
Aging is the dominant risk factor for most chronic diseases. Development of antiaging interventions offers the promise of preventing many such illnesses simultaneously. Cellular stress resistance is an evolutionarily conserved feature of longevity. Here, we identify compounds that induced resistance to the superoxide generator paraquat (PQ), the heavy metal cadmium (Cd), and the DNA alkylator met
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Inhibition of neutral sphingomyelinase 2 promotes remyelination
Myelination requires a highly organized synthesis of multiple lipid species that regulate myelin curvature and compaction. For reasons that are not understood, central nervous system remyelinated axons often have thin myelin sheaths with a disorganized structure susceptible to secondary demyelination. We found that expression of the sphingomyelin hydrolase neutral sphingomyelinase 2 (nSMase2) dur
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Voltage controlled on-demand magnonic nanochannels
Development of energy-efficient on-demand magnonic nanochannels (MNCs) can revolutionize on-chip data communication and processing. We have developed a dynamic MNC array by periodically tailoring perpendicular magnetic anisotropy using the electric field. Brillouin light scattering spectroscopy is used to probe the spin wave (SW) dispersion of MNCs formed by applying a static electric field at th
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Proteomic analysis of circulating extracellular vesicles identifies potential markers of breast cancer progression, recurrence, and response
Proteomic profiling of circulating small extracellular vesicles (sEVs) represents a promising, noninvasive approach for early detection and therapeutic monitoring of breast cancer (BC). We describe a relatively low-cost, fast, and reliable method to isolate sEVs from plasma of BC patients and analyze their protein content by semiquantitative proteomics. sEV-enriched fractions were isolated from p
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Victimization rates and traits of sexual and gender minorities in the United States: Results from the National Crime Victimization Survey, 2017
Do sexual and gender minorities (SGMs) in the United States encounter disproportionate rates of victimization as compared with their cisgender, heterosexual counterparts? Answering this question has proved elusive because nationally representative victimization data have not included victims' sexual orientation or gender identity. The National Crime Victimization Survey, the nation's primary sour
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Resonant nanodiffraction x-ray imaging reveals role of magnetic domains in complex oxide spin caloritronics
Spin electronic devices based on crystalline oxide layers with nanoscale thicknesses involve complex structural and magnetic phenomena, including magnetic domains and the coupling of the magnetism to elastic and plastic crystallographic distortion. The magnetism of buried nanoscale layers has a substantial impact on spincaloritronic devices incorporating garnets and other oxides exhibiting the sp
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Sound vortex diffraction via topological charge in phase gradient metagratings
Wave fields with orbital angular momentum (OAM) have been widely investigated in metasurfaces. By engineering acoustic metasurfaces with phase gradient elements, phase twisting is commonly used to obtain acoustic OAM. However, it has limited ability to manipulate sound vortices, and a more powerful mechanism for sound vortex manipulation is strongly desired. Here, we propose the diffraction mecha
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Coral reef diversity losses in Chinas Greater Bay Area were driven by regional stressors
Observations of coral reef losses to climate change far exceed our understanding of historical degradation before anthropogenic warming. This is a critical gap to fill as conservation efforts simultaneously work to reverse climate change while restoring coral reef diversity and function. Here, we focused on southern China's Greater Bay Area, where coral communities persist despite centuries of co
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Was the moon magnetized by impact plasmas?
The crusts of the Moon, Mercury, and many meteorite parent bodies are magnetized. Although the magnetizing field is commonly attributed to that of an ancient core dynamo, a longstanding hypothesized alternative is amplification of the interplanetary magnetic field and induced crustal field by plasmas generated by meteoroid impacts. Here, we use magnetohydrodynamic and impact simulations and analy
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Peptide-protein coassembling matrices as a biomimetic 3D model of ovarian cancer
Bioengineered three-dimensional (3D) matrices expand our experimental repertoire to study tumor growth and progression in a biologically relevant, yet controlled, manner. Here, we used peptide amphiphiles (PAs) to coassemble with and organize extracellular matrix (ECM) proteins producing tunable 3D models of the tumor microenvironment. The matrix was designed to mimic physical and biomolecular fe
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Nanoscale metal-organic frameworks for x-ray activated in situ cancer vaccination
Cancer vaccines have been actively pursued to bolster antitumor immunity. Here, we designed nanoscale metal-organic frameworks (nMOFs) as locally activable immunotherapeutics to release danger-associated molecular patterns (DAMPs) and tumor antigens and deliver pathogen-associated molecular patterns (PAMPs) for in situ personalized cancer vaccination. When activated by x-rays, nMOFs effectively g
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A social-belonging intervention improves STEM outcomes for students who speak English as a second language
Students who speak English as a second language (ESL) are underserved and underrepresented in postsecondary science, technology, engineering, and math (STEM) fields. To date, most existing research with ESL students in higher education is qualitative. Drawing from this important body of work, we investigate the impact of a social-belonging intervention on anticipated changes in belonging, STEM GP
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Full-color fluorescent carbon quantum dots
Quantum dots have innate advantages as the key component of optoelectronic devices. For white light–emitting diodes (WLEDs), the modulation of the spectrum and color of the device often involves various quantum dots of different emission wavelengths. Here, we fabricate a series of carbon quantum dots (CQDs) through a scalable acid reagent engineering strategy. The growing electron-withdrawing gro
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The Huntingtin-interacting protein SETD2/HYPB is an actin lysine methyltransferase
The methyltransferase SET domain–containing 2 (SETD2) was originally identified as Huntingtin (HTT) yeast partner B. However, a SETD2 function associated with the HTT scaffolding protein has not been elucidated, and no linkage between HTT and methylation has yet been uncovered. Here, we show that SETD2 is an actin methyltransferase that trimethylates lysine-68 (ActK68me3) in cells via its interac
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Supergravitational turbulent thermal convection
High–Rayleigh number convective turbulence is ubiquitous in many natural phenomena and in industries, such as atmospheric circulations, oceanic flows, flows in the fluid core of planets, and energy generations. In this work, we present a novel approach to boost the Rayleigh number in thermal convection by exploiting centrifugal acceleration and rapidly rotating a cylindrical annulus to reach an e
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Granzyme B nanoreporter for early monitoring of tumor response to immunotherapy
Despite recent advancements in cancer immunotherapy, accurate monitoring of its efficacy is challenging due to heterogeneous immune responses. Conventional imaging techniques lack the sensitivity and specificity for early response assessment. In this study, we designed a granzyme B (GrB) nanoreporter (GNR) that can deliver an immune checkpoint inhibitor to the tumor and track time-sensitive GrB a
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Direct visualization of electromagnetic wave dynamics by laser-free ultrafast electron microscopy
Integrating femtosecond lasers with electron microscopies has enabled direct imaging of transient structures and morphologies of materials in real time and space. Here, we report the development of a laser-free ultrafast electron microscopy (UEM) offering the same capability but without requiring femtosecond lasers and intricate instrumental modifications. We create picosecond electron pulses for
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Novel self-replicating {alpha}-synuclein polymorphs that escape ThT monitoring can spontaneously emerge and acutely spread in neurons
The conformational strain diversity characterizing α-synuclein (α-syn) amyloid fibrils is thought to determine the different clinical presentations of neurodegenerative diseases underpinned by a synucleinopathy. Experimentally, various α-syn fibril polymorphs have been obtained from distinct fibrillization conditions by altering the medium constituents and were selected by amyloid monitoring usin
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Integrative glycoproteomics reveals protein N-glycosylation aberrations and glycoproteomic network alterations in Alzheimers disease
Protein N-glycosylation plays critical roles in controlling brain function, but little is known about human brain N-glycoproteome and its alterations in Alzheimer's disease (AD). Here, we report the first, large-scale, site-specific N-glycoproteome profiling study of human AD and control brains using mass spectrometry–based quantitative N-glycoproteomics. The study provided a system-level view of
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Electric-field control of spin dynamics during magnetic phase transitions
Controlling magnetization dynamics is imperative for developing ultrafast spintronics and tunable microwave devices. However, the previous research has demonstrated limited electric-field modulation of the effective magnetic damping, a parameter that governs the magnetization dynamics. Here, we propose an approach to manipulate the damping by using the large damping enhancement induced by the two
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Seasonal dietary changes increase the abundances of savanna herbivore species
African savannas are home to the world's last great megafaunal communities, but despite ongoing population declines, we only poorly understand the constraints on savanna herbivore abundances. Seasonal diet shifts (except migration) have received little attention, despite a diversity of possible dietary strategies. Here, we first formulate two theoretical models that predict that both mixed feedin
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Last chance for WIMPs: physicists launch all-out hunt for dark-matter candidate
Nature, Published online: 02 October 2020; doi:10.1038/d41586-020-02741-3 Researchers have spent decades searching for the elusive particles — a final generation of detectors should leave them no place to hide.
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New nanotechology design provides hope for personalized vaccination for treating cancer
One of the key challenges in developing effective, targeted cancer treatments is the heterogeneity of the cancer cells themselves. This variation makes it difficult for the immune system to recognize, respond to and actively fight against tumors. Now, however, new advances in nanotechnology are making it possible to deliver targeted, personalized "vaccines" to treat cancer.
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A social-belonging intervention improves STEM outcomes for ESL students
A study conducted at 19 universities by IU researchers and their colleagues in the U.S. and Canada, found that a brief social belonging exercise, administered online before students arrive on campus, boosts the performance and persistence of students in STEM disciplines—science, technology, engineering and math—who speak English as a second language.
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Record-breaking, floating laser resonator
A new optical resonator has unprecedented in resonance enhancement. A resonator is a device that traps waves and enhances or echoes them by reflecting them from wall to wall in a process called resonant enhancement. Today, there are complex and sophisticated resonators of various kinds throughout the world, as well as simple resonators familiar to all of us. Examples of this include the resonator
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Ecological power storage battery made of vanillin
Researchers have found a way to convert the aromatic substance vanillin into a redox-active electrolyte material for liquid batteries. The technology is an important step towards ecologically sustainable energy storage.
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Cells sacrifice themselves to boost immune response to viruses
Whether flu or coronavirus, it can take several days for the body to ramp up an effective response to a viral infection. New research describes how different cells in the immune system work together, communicate, and – in the case of cells called neutrophils – bring about their own death to help fight off infections. The findings could have important implications for the development of vaccines an
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Scientists repeat century-old study to reveal evidence of evolutionary rescue in the wild
Repeating a study conducted in 1914, scientists have shown that species may be able to evolve and adapt to rapid climate change.
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Safety and effectiveness of fecal microbiota transplantation
Today, the American Gastroenterological Association (AGA) released the first results from the largest real-world study on the safety and effectiveness of FMT. The registry reported that FMT led to a cure of Clostridioides difficile (C. difficile) infection in 90% of patients across 20 North American FMT practice sites. Few serious side effects were reported.
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Fecal transplantation can restore the gut microbiota of C-section babies
Birth by Cesarean section is detrimental to normal gut microbiota development. Researchers demonstrated that the intestinal microbiota development can be restored by postnatal, orally-delivered transplantation of maternal fecal microbiota.
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Record-breaking, floating laser resonator
A new optical resonator has unprecedented in resonance enhancement. A resonator is a device that traps waves and enhances or echoes them by reflecting them from wall to wall in a process called resonant enhancement. Today, there are complex and sophisticated resonators of various kinds throughout the world, as well as simple resonators familiar to all of us. Examples of this include the resonator
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Noble metal clusters can enhance performance of catalysts and save resources
Billions of noble metal catalysts are used worldwide for the production of chemicals, energy generation, or cleaning the air. However, the resources required for this purpose are expensive and limited. To optimize the use of resources, catalysts based on single metal atoms have been developed.
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Cause of 1990s Argentina cholera epidemic uncovered
The evolution of epidemic and endemic strains of the cholera-causing bacterium Vibrio cholerae in Argentina has been mapped in detail. The researchers used whole genome sequencing to study the bacteria circulating during the 1991-1998 outbreak of cholera in the country. The data have influenced health policy in Argentina, where whole-genome sequencing is now used to distinguish between pandemic an
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Two molecular handshakes for hearing
Scientists have mapped and simulated those filaments at the atomic level, a discovery that shed lights on how the inner ear works and that could help researchers learn more about how and why people lose the ability to hear.
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Ecological power storage battery made of vanillin
Researchers have found a way to convert the aromatic substance vanillin into a redox-active electrolyte material for liquid batteries. The technology is an important step towards ecologically sustainable energy storage.
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The most sensitive optical receivers yet for space communications
Communications in space demand the most sensitive receivers possible for maximum reach, while also requiring high bit-rate operations. A novel concept for laser-beam based communications, using an almost noiseless optical preamplifier in the receiver, was recently demonstrated by researchers.
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Diet by DNA: Is the Best Way to Eat Written in Your Genes?
Nutrigenomics companies that use genetic data to create diets are becoming more popular. But does matching diet to genes improve health?
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Climate Change and COVID Threaten to Sink Small Island Nations
With international tourism virtually non-existent, countries are missing out on income to help fund climate adaptation — Read more on ScientificAmerican.com
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What Happens If a Presidential Candidate Becomes Incapacitated or Dies
At many points during 2020, people have turned their eyes skyward and asked, "What next?" Fate having been tempted, the news comes this morning that President Donald Trump has tested positive for the coronavirus just a month before Election Day, and while voting in many states is already under way. Although there is no indication yet that he has a severe case of COVID-19, the question of how the
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A Taxonomy of Groping: The Below-the-Waist Edition
In her 2019 memoir, What Do We Need Men For? , E. Jean Carroll accused Donald Trump of rape, in a Bergdorf's dressing room in the mid-1990s. After the president denied ever meeting her and dismissed her story as a Democratic plot, she sued him for defamation. Carroll was not, of course, the first woman to say that Trump had sexually harassed or assaulted her, but unlike so many other powerful men
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Trump's positive coronavirus test throws US election into chaos
Market volatility rises as investors shift into less risky assets
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SARS-CoV-2 Antibody Durability
In this webinar brought to you by The Scientist, scientists studying the SARS-CoV-2 immune response will discuss their research on SARS-CoV-2 antibody persistence and immune memory in recovered COVID-19 patients and the implications for protective immunity.
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Tips for Early-Stage Molecular Diagnostics Companies to Scale Up
Industry experts discuss how to choose the right assay component supplier!
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Scientists Create Clear, Glasslike Material Out of Wood
Transparent Wood Heating and cooling a home is costly, and inefficient building materials often make a house's carbon footprint even worse. But thanks to a new generation of futuristic building materials, those materials could be poised for a significant upgrade. A team of researchers at the USDA and several research institutions say they've developed "transparent wood," a glass-like material mad
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Daily briefing: US President Donald Trump has tested positive for the coronavirus
Nature, Published online: 02 October 2020; doi:10.1038/d41586-020-02809-0 Trump's coronavirus infection puts him in multiple high-risk categories for COVID-19. Plus, the editors' favourites from 15 years of Nature Physics and what a Joe Biden presidency would mean for science.
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Hidden DNA fragment the 'trigger switch' for male development
Biology textbooks may need to be re-written, with scientists finding a new piece of DNA essential to forming male sex organs in mice.
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Climate: Iodic acid influences cloud formation at the North Pole
Scientists have identified a novel driver of new aerosol particle formation in the Arctic during the summer to fall transition. The authors show that iodic acid is important for forming new particles which subsequently influence the formation of clouds and their radiative effect over the Arctic pack ice.
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LED-based UV irradiation safely prevents the loss of bone and muscle mass in mice
A research team has revealed that narrow-range ultraviolet (UV) irradiation using light emitting diodes (LEDs) safely increases serum vitamin D levels in aging mice and thereby prevents the loss of their bone and muscle mass.
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Medical mystery: 'Creeping fat' in Crohn's patients linked to bacteria
Researchers might have solved a mystery surrounding Crohn's disease: Why does fat appear to migrate into patients' small intestines?
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Scientists discover bacterium linked to deadly childhood disorder
Scientists have discovered bacteria linked to post-infectious hydrocephalus (PIH), the most common cause of pediatric hydrocephalus worldwide.
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How a 15-minute 'awe walk' drastically improves mental health
A new study found that weekly 15-minute "awe walks" have positive effects on mental health. Volunteers reported higher levels of gratitude and compassion after eight weeks of these short walks. Researchers believe this low-cost intervention could help prevent cognitive decline in older adults. Watch out forest bathers , you have competition. Perhaps better put, you have an addition to your ritual
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We can protect whales from ship strikes by translating their songs
Scientists tracked the movements of blue whales and songs over several years, and found that whales switch from singing at night to caroling during the daytime when they begin migrating. (NOAA /) Summer is an intense time for blue whales off the coast of central California. During the daytime, the enormous marine mammals must gobble up tons of krill daily to prepare for their epic migration to wa
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Watch gray sharks get dinner by 'bumming' food from hard-hunting whitetips
Videos reveal first known case of ongoing shark-on-shark thievery
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Children know what makes a leader more than some adults
5-year-olds recognize social hierarchies and are aware when others don't contribute their fair share. Children of this age consider someone a leader only when they sacrifice toward achieving the common goal. "Leaders" who take more than they give are considered unacceptable to young children. To some, attaining leadership is like winning the ultimate prize, while for others it represents an oppor
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Caesarean birth, prolonged labour influence infant gut bacteria, risk of childhood obesity
Events at birth may affect the microbes living in a baby's gut during the first few months of life, leading to a higher risk of childhood obesity and allergies, according to a new study published in the journal Gastroenterology.
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President Trump Received Regeneron Experimental Antibody Treatment
Mr. Trump received a single dose of an antibody cocktail made by the biotech company Regeneron. The company's C.E.O. has known the president for years.
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Timing the life of antimatter particles may lead to better cancer treatment
Experts have devised a simple way to glean more detailed information out of standard medical imaging scans. A research team made up of atomic physicists and nuclear medicine experts has designed a timer that can enable PET scanners to detect the oxygen concentration of tissues throughout patients' bodies. This upgrade to PET scanners may lead to a future of better cancer treatment by quickly ident
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Hand pollination, not agrochemicals, increases cocoa yield and farmer income
Agroecologists compare pesticides, fertilizers, manual pollination and farming costs in Indonesia.
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From San Diego to Italy, study suggests wisdom can protect against loneliness
Researchers examined middle-aged and older adults in San Diego and Cilento, Italy and found loneliness and wisdom had a strong negative correlation. The wiser the person, the less lonely they were.
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Conservation Biology Icon Georgina Mace Dies at 67
Mace led the work to determine the criteria for the IUCN's Red List.
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How an AI tool for fighting hospital deaths actually worked in the real world
In November of 2018, a new deep-learning tool went online in the emergency department of the Duke University Health System. Called Sepsis Watch, it was designed to help doctors spot early signs of one of the leading causes of hospital deaths globally. Sepsis occurs when an infection triggers full-body inflammation and ultimately causes organs to shut down. It can be treated if diagnosed early eno
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'Too Obnoxious' To Be Stopped By The Virus: People React To Trump's Coronavirus Test
Americans woke up Friday to news that the president and first lady both had tested positive for the coronavirus. For many, reactions to the news fell along political lines. (Image credit: Sarah McCammon/NPR)
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The Probable Outcomes of Trump's Diagnosis
Updated at 5:55 p.m. ET on October 2, 2020 Donald Trump is 74, and he is male. Little else is known about his physical condition. Throughout his presidency, he has disclosed almost nothing in the way of medical records. He stands accused , by one of his former doctors, of dictating his medical assessment as a candidate in 2016. Even Trump's body-mass index—a basic, objective measure of a person's
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What Did You Expect?
Updated at 5:48 p.m. ET on October 2, 2020. There is a great deal you have every right to expect at this moment of crisis, and no reason at all to believe that Donald Trump or his White House will provide it. You cannot expect this White House to tell the truth about Trump's health. His doctors have lied about the president's weight and height. They have never offered an adequate explanation of h
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Smartphone surveys find a connection between daily spiritual experiences and well-being
Using smartphone check-ins twice a day for two weeks, sociologists in a national study have found a link between individuals' daily spiritual experiences and overall well-being, say researchers from Baylor University and Harvard University.
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Astronomers Spot Galaxies "Trapped" by Giant Black Hole
Cosmic Feast Peering back into some of the earliest days of the universe, astronomers came across a brutal scene: a still-forming supermassive black hole feasting on six entire galaxies it had ensnared in a gigantic cosmic web. The grisly scene played out when the universe was only about 900 million years old, according to research published Thursday in the journal Astronomy & Astrophysics . And
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Timing the life of antimatter particles may lead to better cancer treatment
Experts have devised a simple way to glean more detailed information out of standard medical imaging scans. A research team made up of atomic physicists and nuclear medicine experts has designed a timer that can enable PET scanners to detect the oxygen concentration of tissues throughout patients' bodies. This upgrade to PET scanners may lead to a future of better cancer treatment by quickly ident
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Planaria flatworms can be alternative screening tool to avoid rabbit skin testing
A new, accurate screening tool for clinical skin products has been developed which uses flatworms rather than rabbits.
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3D printed 'invisible' fibers can sense breath, sound, and biological cells
From capturing your breath to guiding biological cell movements, 3D printing of tiny, transparent conducting fibers could be used to make devices which can 'smell, hear and touch' — making it particularly useful for health monitoring, Internet of Things and biosensing applications.
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New discovery helps researchers rethink organoid cultures
Organoids are stem cell-based tissue surrogates that can mimic the structure and function of organs, and they have become a key component of numerous types of medical research in recent years. But researchers have uncovered problems with the conventional method for growing organoids for common experiments that may cause misleading results.
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Someday, even wet forests could burn due to climate change
While today's fires are exacerbated by dry conditions, researchers found that forest fires 94 million years ago increased even in wet regions due to changes in global climate.
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How the Humboldt squid's genetic past and present can secure its future
Marine biologists studying the genetic structure of the Humboldt squid population found it is vulnerable to overfishing by fleets on its migration path.
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'Liking' an article online may mean less time spent reading it
When people have the option to click 'like' on a media article they encounter online, they spend less time actually reading the text, a new study suggests. In a lab experiment, researchers found that people spent about 7 percent less time reading articles on controversial topics when they had the opportunity to upvote or downvote them than if there was no interactive element.
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Astronomers Spot Ancient Galaxies in a Supermassive Black Hole 'Spider Web'
With the help of ESO's Very Large Telescope (VLT), astronomers have found six galaxies lying around a supermassive black hole, the first time such a close grouping has been seen within the first billion years of the Universe. This artist's impression shows the central black hole and the galaxies trapped in its gas web. The black hole, which together with the disc around it is known as quasar SDSS
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A better understanding of how cirrus clouds form
New research provides insights into how cirrus clouds form, with implications for agriculture, urban development and climate-change predictions. The study shows that trees and plants play an important role that affects precipitation and global climate change.
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Future climate changes in nature reserves
The Earth's nature reserves are set to be affected by future climate change in very different ways. Detailed local knowledge of climate change impacts can therefore make a significant contribution to the management of protected areas and the preservation of their ecological function. A study by the University of Bayreuth in the journal 'Diversity and Distributions' draws attention to this fact. It
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How the Immune System of Older Adults Like Trump Weakens with Age
As people age their innate and adaptive immune responses react more slowly, increasing their risk from diseases like COVID-19 — Read more on ScientificAmerican.com
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3D printed 'invisible' fibers can sense breath, sound, and biological cells
From capturing your breath to guiding biological cell movements, 3D printing of tiny, transparent conducting fibers could be used to make devices which can 'smell, hear and touch' — making it particularly useful for health monitoring, Internet of Things and biosensing applications.
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US stocks: presidential ailments
In addition to fit presidents, America has been able to rely on the resilience of a broader set of institutions
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Foundation Has One of the Best Sci-Fi Concepts Ever
Isaac Asimov's novel, currently being adapted into an Apple TV+ series, builds its story around the futuristic science of psychohistory.
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Babyer får afføring i modermælken: Skal give en bedre tarmflora
Den nye metode kan måske hjælpe børn født ved kejsersnit.
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I'm Done Being Mistaken for Jeff Bezos and MacKenzie Scott
Google's search algorithm has presented my phone number and email address as belonging to the billionaires for over a year.
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The role of solid state chemistry in the development of metal-ion batteries
Professors from the Skoltech Center for Energy Science and Technology (CEST), Lomonosov Moscow State University and College de France shared their vision on the importance of solid state chemistry in advancements currently awaited from contemporary and prospective metal-ion batteries. The opinion was contributed as an invited review to Nature Communications.
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Human biology registers two seasons, not four, study suggests
As kids, we learn there are four seasons, but researchers at the Stanford School of Medicine have found evidence to suggest that the human body doesn't see it this way.
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Astronomers reveal first direct image of Beta Pictoris c using new astronomy instrument
The vast majority of planets near foreign stars are discovered by astronomers with the help of sophisticated methods. The exoplanet does not appear in the image, but reveals itself indirectly in the spectrum. A team of scientists from the Max Planck Institutes for Astronomy and Extraterrestrial Physics has now succeeded in obtaining the first direct confirmation of a previously discovered exoplane
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Physicists build circuit that generates clean, limitless power from graphene
A team of University of Arkansas physicists has successfully developed a circuit capable of capturing graphene's thermal motion and converting it into an electrical current.
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Damage uncovered on Antarctic glaciers reveals worrying signs for sea level rise
A new study into the structural damage of two major Antarctic glaciers reveals that ice shelf weakening has rapidly evolved in recent years. Multi-satellite imagery identified damage areas, sparking concerns that structural weakening could lead to major ice shelf collapse in the decades to come. This collapse, in turn, reduces the glaciers' ability to hold back major sections of the entire West An
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A first in-depth look at the latent virus reservoir of individuals living with HIV
Scientists have mapped out an atlas of the reservoir cells of eight individuals living with HIV, which they recently reported.
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Redefining drought in the US corn belt
As the climate trends warmer and drier, global food security increasingly hinges on crops' ability to withstand drought. But are scientists and producers focusing on the right metric when measuring crop-relevant drought? Not exactly, according to new research from scientists, who urge the scientific community to redefine the term.
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How a toxic chromium species could form in drinking water
The water crisis in Flint, Michigan, brought much-needed attention to the problem of potentially toxic metals being released from drinking water distribution pipes when water chemistry changes. Now, researcher have investigated how hexavalent chromium, known as Cr(VI), can form in drinking water when corroded cast iron pipes interact with residual disinfectant. Their findings could suggest new str
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Mosquitoes lost an essential gene with no ill effects
Scientists discovered mosquitoes are missing a gene that's critical for survival in other insects. Researchers noticed the missing gene and went on the hunt to find out how mosquitoes survive without it. She identified the first example of nature swapping out closely related genes, a phenomenon that poses caveats for studies using model organisms as proxies for other species.
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Counties with persistent poverty rates experience higher rates of cancer deaths
Residents of counties that experience persistent poverty face a disproportionately high risk of cancer mortality.
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Human biology registers two seasons, not four, study suggests
As kids, we learn there are four seasons, but researchers at the Stanford School of Medicine have found evidence to suggest that the human body doesn't see it this way.
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Famous shadow of black hole provides novel test for new theories of gravity
Your cool new theory dies immediately if it can't get the size of that shadow right
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Memory foam mattress toppers that might change your life
Upgrade your sleeping experience. (Ty Carlson via Unsplash/) A mattress topper is one of the most accessible ways to upgrade your bed. Depending on the firmness or softness, it can add a level of support to certain parts of your body, including your shoulders, hips and knees, as well as overall improve comfort. Different toppers have various strengths, and they're also a portable option, so you n
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Evolution on the smallest of scales smooths out the patchwork patterns of where plants and animals live
The Douglas fir is a tall iconic pine tree in Western North America forming a forest that winds unbroken from the Western spine of British Columbia all the way to the Mexican cordillera. The environmental conditions of Canada and Mexico are obviously very different, but even on much smaller scales—say, the top of a mountain compared with a valley below it—the rainfall, temperature, soil nutrients
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Research shows cell perturbation system could have medical applications
Cell lines injected with free nucleic acid are widely used for drug discovery and disease modeling. To avoid genetically mixed cell populations, investigators use dilution techniques to select single cells that will then generate identical lines. However, the route of limiting dilutions is tedious and time consuming.
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Solving global challenges using insect research
IRD researchers and their partners have published a special issue in the Current Opinion in Insect Science journal. Using an interdisciplinary approach and based on examples from international research, they explain how insects can contribute to achieving the Sustainable Development Goals (SDG) identified by the United Nations for 2030.
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Evolution on the smallest of scales smooths out the patchwork patterns of where plants and animals live
The Douglas fir is a tall iconic pine tree in Western North America forming a forest that winds unbroken from the Western spine of British Columbia all the way to the Mexican cordillera. The environmental conditions of Canada and Mexico are obviously very different, but even on much smaller scales—say, the top of a mountain compared with a valley below it—the rainfall, temperature, soil nutrients
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Solving global challenges using insect research
IRD researchers and their partners have published a special issue in the Current Opinion in Insect Science journal. Using an interdisciplinary approach and based on examples from international research, they explain how insects can contribute to achieving the Sustainable Development Goals (SDG) identified by the United Nations for 2030.
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Studies suggest growth in coronavirus cases is slowing in England
But experts caution that it is too soon to conclude that the epidemic is coming under control
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NASA finds heavy rainfall ringing major Hurricane Maria's eye
Imagine being able to look down at a storm from orbit in space, and provide data that lets scientists calculate the rate in which rain is falling throughout it. That is what a NASA satellite rainfall product does as it incorporates data from satellites and observations. NASA found very heavy rainfall ringing around the compact eye of Major Hurricane Marie.
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Climate change responsible for record sea temperature levels, says study
Global warming is driving an unprecedented rise in sea temperatures including in the Mediterranean, according to a major new report published by the peer-reviewed Journal of Operational Oceanography.
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Rising waters threaten Great Lakes communities
Along a shoreline that stretches farther than the combined length of the Atlantic and Pacific coasts, waters driven by climate change have risen as much as 6 feet in less than a decade, washing away houses, destroying roads and threatening critical infrastructure such as water treatment plants in towns large and small.
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A factor limiting recovery from bleaching in corals
Increases in seawater temperature can cause coral bleaching through the loss of symbiotic algae. Corals can recover from bleaching by recruiting algae into host cells from the residual symbiont population or from the external environment. However, the high coral mortality that often follows mass-bleaching events suggests that recovery is limited in the wild.
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Powerful food processors for dicing, slicing, and kneading
Speed up the process. (Sanket Shah via Unsplash/) Chopping ingredients in the kitchen with a knife and cutting board can be satisfying and sometimes necessary, but in the majority of cases, this process takes up an inordinate amount of time and creates a huge mess to clean up. Integrating a food processor into your meal prep routine is one of the easiest ways to shave off dozens of valuable minut
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A factor limiting recovery from bleaching in corals
Increases in seawater temperature can cause coral bleaching through the loss of symbiotic algae. Corals can recover from bleaching by recruiting algae into host cells from the residual symbiont population or from the external environment. However, the high coral mortality that often follows mass-bleaching events suggests that recovery is limited in the wild.
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Hyperspectral Stripe Projector creates 4D views
Engineers are using stripes to make images that regular cameras could never capture. Their compact Hyperspectral Stripe Projector (HSP) is a step toward a new method to collect the spatial and spectral information required for self-driving cars , machine vision, crop monitoring , surface wear and corrosion detection, and other uses. "I can envision this technology in the hands of a farmer, or on
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Resistensgener i gran kan knäcka rotrötan
Svampen rotticka, som orsakar rotröta, är det svenska skogsbrukets värsta gissel. Forskare från SLU har nu identifierar flera gener i gran som bidrar till resistens mot rotröta. Förhoppningen är att generna kan användas som markörer för att enkelt skilja ut motståndskraftiga granar. De senaste åren har granbarkborren varit ett mycket uppmärksammat plågoris, men på lång sikt är svampen rotticka, s
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Covid cases among secondary school-aged children rise in England
Infections among year 7 to 11 pupils show steady increase since end of August Coronavirus – latest updates See all our coronavirus coverage The number of coronavirus cases among secondary school-aged children in England have begun to rise, with those in the later years believed to be the main driver for the increase in infections. While sixth-form students and adults aged up to 24 recorded the hi
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Days After Debate, President Trump Tests Positive for Covid-19
After months of downplaying the severity of Covid-19 — and just hours after telling a virtual audience that "the end of the pandemic is in sight" — President Donald J. Trump announced early Friday morning that he and First Lady Melania Trump had tested positive for the coronavirus.
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Cannabinoids associated with negative respiratory health effects in older adults with COPD
Cannabinoids, a class of prescription pills that contain synthetically-made chemicals found in marijuana, are associated with a 64 per cent increase in death among older adults with chronic obstructive pulmonary disease (COPD), according to the first published data on the impact of cannabinoids on the respiratory health of individuals with the lung disease.
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Autoimmune disease: UM171 saves another life
A recently developed UM171 molecule was used in a blood transplant by a medical team on a young man suffering from severe aplastic anemia, an autoimmune disease.
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How border walls trick the human brain and psyche
The US-Mexico border wall currently spans 600-plus miles, including a section of Tijuana and San Diego. (Sherry V. Smith/Deposit Photos/) Excerpt from Wall Disease: The Psychological Toll of Living Up Against a Border © Jessica Wapner, 2020. Reprinted by permission of the publisher, The Experiment . Available wherever books are sold. The link between emotions and cognitive maps likely has roots i
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The best mini waffle makers for delectable breakfasts
Small breakfast. Big taste. (Mae Mu via Unsplash/) You don't need to turn to the freezer or drive to the local diner to satisfy your and the family's hankering for waffles. Mini waffle irons are easy to use, compact, portable, and affordable kitchen appliances. Whether your go-to dish is fried chicken and waffles, stuffed waffles, or classic waffle stacks soaked in syrup and topped with fruit, wh
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Life on Venus? Scientists hunt for the truth
Nature, Published online: 02 October 2020; doi:10.1038/d41586-020-02785-5 Interest in Earth's hellish neighbour explodes after the detection of phosphine, a potential marker of life.
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Racism thrives on silence — speak up! | Dexter Dias
Racism thrives on your silence and apathy, says human rights lawyer Dexter Dias. Telling the story of a harrowing UK court case that spotlights the corrosive effects of injustice, Dias urges us all to speak out and expose toxic myths about race — in order to allow hope, change and justice to flourish.
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Research shows cell perturbation system could have medical applications
Research by a team from Northwestern Engineering shows that the Nanofountain Probe Electroporation system may lead to quicker and more customized medical treatment plans.
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National Academies release framework for equitable allocation of a COVID-19 vaccine for adoption by HHS, state, tribal, local, and territorial authorities
The National Academies of Sciences, Engineering, and Medicine today released the final report of a consensus study recommending a four-phased equitable allocation framework that the US Department of Health and Human Services (HHS) and state, tribal, local, and territorial (STLT) authorities should adopt in the development of national and local guidelines for COVID-19 vaccine allocation.
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Forsyth researchers demonstrate how changing the stem cell response to inflammation may reverse periodontal disease
In new research published recently in the journal Frontiers in Immunology, Forsyth Institute scientists have discovered that a specific type of molecule may stimulate stem cells to regenerate, reversing the inflammation caused by periodontal disease.
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Nitric oxide a possible treatment for COVID-19
Researchers at Uppsala University have found that an effective way of treating the coronavirus behind the 2003 SARS epidemic also works on the closely related SARS-CoV-2 virus, the culprit in the ongoing COVID-19 pandemic. The substance concerned is nitric oxide (NO), a compound with antiviral properties that is produced by the body itself. The study is published in the journal Redox Biology.
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Medicine for multiple sclerosis patients inhibits coronavirus – at least in a test tube
A drug which has already been approved for the treatment of multiple sclerosis patients effectively inhibits the coronavirus when tested on human lung cells. This is shown by a newly published study from biomedicine researchers at Aarhus University, Denmark.
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NASA finds heavy rainfall ringing major Hurricane Maria's eye
Imagine being able to look down at a storm from orbit in space, and provide data that lets scientists calculate the rate in which rain is falling throughout it. That is what a NASA satellite rainfall product does as it incorporates data from satellites and observations. NASA found very heavy rainfall ringing around the compact eye of Major Hurricane Marie.
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UArizona Health Sciences researchers identify new target for creating flavivirus vaccines
Antibodies normally fight viruses, but in the case of flaviviruses, they can make infections worse. UArizona Health Sciences immunologists took a closer look at antibody production to figure out why, which could lead to new methods of developing vaccines for flaviviruses.
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Liquid biopsy faster than tissue biopsy, improves time to treat
A pilot study comparing the effects of a liquid biopsy with tissue-based test showed that liquid biopsy turn-around time for results was approximately 10 days faster than the tissue biopsy, according to research presented today at the IASLC 2020 Lung Cancer Hot Topic: Liquid Biopsy Virtual Conference.
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Liquid biopsies timely and effective testing method for NSCLC patients in Canada
Next-generation sequencing (NGS) of cell-free DNA (cfDNA) obtained from blood samples may improve diagnostic testing in patients with advanced NSCLC, and may also be faster and less expensive compared to standard tissue profiling, according to research presented today at the IASLC 2020 Lung Cancer Hot Topic: Liquid Biopsy Virtual Conference.
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Effect of avoiding cow's milk formula at birth on preventing asthma in children
Extended follow-up of randomized clinical trial participants was used to investigate whether the risk of asthma or recurrent wheeze among young children was changed by avoiding supplementing breastfeeding with cow's milk formula after birth.
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Primary care office-based vs telemedicine care visits during COVID-19 pandemic
This observational study quantified national changes in the volume, type and content of primary care delivered during the COVID-19 pandemic, especially with regard to office-based visits compared with telemedicine encounters.
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Study highlights shortcomings in telemedicine despite large increases in remote consults during COVID-19 pandemic
Despite increased use of telemedicine during the COVID-19 pandemic, Americans have had significantly fewer consultations with primary care doctors and markedly fewer assessments of common cardiac risk factors.
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Elon Musk: "Starship Update Coming in 3 Weeks"
Starship Update According to SpaceX CEO Elon Musk, the space company will give an update on its Starship spacecraft in about three weeks. "The design has coalesced," Musk tweeted . "What is presented will actually be what flies to orbit as V1.0 with almost no changes." SpaceX has been churning out prototype after prototype to get Starship off the ground. Previous prototypes, such as SN5 and SN6,
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Rotating Rings of Solvents
Now here's a chemistry technique I don't think I ever would have thought of. This new paper in Nature presents what could be a new way of doing multistep chemistry in a single vessel by the use of solvent layers of different densities in a rapidly rotating container (the examples below are in vessels are spinning at 5400 rpm). You inject these solvents from the central inlet and/or via channels r
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Hundra års jakt på det perfekta ljudet
Vad har präglat användningen av olika apparater för ljudåtergivning de senaste hundra åren? Ursprungsbegreppet high fidelity återkommer när musikprofessorn Alf Björnberg skildrar den svenska hifi-kulturens historia, med början 1925 då regjulära radiosändningar satte fart på teknikutvecklingen. "Det finns inga genvägar fram till det perfekta ljudet", återkom Johan Rheborgs karaktär Farbror Barbro
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People in Trump's Age Range Are 90 Times More Likely to Die From COVID-19 Than Young Adults
Early Thursday morning, U.S. President Donald Trump announced that he had tested positive for COVID-19, the same disease that he's spent the year downplaying despite it killing hundreds of thousands of his citizens. Tangible details on the situation are still few and far between, but it's worth noting that at 74 years old and 243 pounds — categorized as overweight — Trump falls within demographic
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A VR film/game with AI characters can be different every time you watch or play
The square-faced, three-legged alien shoves and jostles to get at the enormous plant taking over its tiny planet. But each bite just makes the forbidden fruit grow bigger. Suddenly the plant's weight flips the whole sphere upside down and all the little creatures drop into space. Quick! Reach in and catch one! Agence, a short interactive VR film from Toronto-based studio Transitional Forms and th
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20 Things You Didn't Know About Wilderness
The great outdoors is good for our overall health, but this precious resource is in danger.
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An Earth-Sized Planet Is Floating Around Without a Star
Astronomers have spotted something strange and oddly sad: a rogue planet floating freely, without a star. It's an example of what astronomers call a "rogue planet." Some are believed to start as normal planets, but leave their stars after colliding with another object that sends them flying into space like a billiard ball. Other rogue planets may also form when clouds of gas and dust implode to f
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How to Win at Westerns
Download this ebook to learn the ins and outs of Western blotting!
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Biotech Industry Pushes Trump Administration to Release New Vaccine Guidelines
The BIO trade group, whose members include most of the vaccine makers, asked the health secretary to make the new vaccine guidelines public.
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Users of blood pressure medicine have a lower risk of dying from influenza and pneumonia
Thousands of Danes use ACE inhibitors or angiotensin II receptor blockers against elevated blood pressure or heart problems, and they may have an improved chance of surviving severe influenza or pneumonia infections. This is shown by a study from the Department of Clinical Epidemiology at Aarhus University and Aarhus University Hospital in Denmark.
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Climate change responsible for record sea temperature levels, says study
Global warming is driving an unprecedented rise in sea temperatures including in the Mediterranean, according to a major new report published by the peer-reviewed Journal of Operational Oceanography.
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Solving global challenges using insect research
IRD researchers and their partners have published a special issue in the Current Opinion in Insect Science journal. Using an interdisciplinary approach and based on examples from international research, they explain how insects can contribute to achieving the Sustainable Development Goals (SDG) identified by the United Nations for 2030.
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First doses of US vaccine must be strictly rationed, says report
Study commissioned by Trump administration recommends health workers in minority communities be inoculated first
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Grönt är skönt – speciellt i pandemitider
Pandemin har fått oss svenskar att vara ute i skogen mer än någonsin och de flesta ser naturen som en ventil när vi drabbas av kris. Anna ­Oudin forskar på hur gröna miljöer påverkar oss och varför vissa grupper drabbas hårdare av covid-19.
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Study sets limits on the flux of heavy compact objects using data from the Pi of the Sky project
Strangelets, and specifically nuclearites, their heavy species, are very dense, compact and potentially fast objects made of large and roughly equal numbers of up, down and strange quarks, which may inhabit the universe. Their existence was first hypothesized by Edward Witten back in 1984. These objects have never been detected before and have so far attracted less attention than meteors, perhaps
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Monitoring trucks and trade from space
Earlier this year, ESA launched a contest asking the general public to submit ideas on how Earth observation data can help mitigate the effects of the COVID-19 pandemic. Today, one of the two winning ideas is being officially released to the public via the "Rapid Action on COVID-19 with Earth Observation" dashboard—a joint initiative from ESA and the European Commission. This citizen-contributed i
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As atmospheric carbon rises, so do rivers, adding to flooding
When it comes to climate change, relationships are everything. That's a key takeaway of a new UO study that examines the interaction between plants, atmospheric carbon dioxide and rising water levels in the Mississippi River.
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Crickets were the first to chirp 300 million years ago
An international team, led by Dr. Sabrina Simon (Wageningen University & Research) and Dr. Hojun Song (Texas A&M), succeeded in tracing the evolution of acoustic communication in the insect family of crickets and grasshoppers (Orthoptera). The results show that crickets were the first species to communicate, approximately 300 million years ago. The results are also significant because it was the f
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Crickets were the first to chirp 300 million years ago
An international team, led by Dr. Sabrina Simon (Wageningen University & Research) and Dr. Hojun Song (Texas A&M), succeeded in tracing the evolution of acoustic communication in the insect family of crickets and grasshoppers (Orthoptera). The results show that crickets were the first species to communicate, approximately 300 million years ago. The results are also significant because it was the f
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Wearable sensor to help people with inflammatory bowel disease
Researchers have designed a wearable device that monitors sweat for biomarkers that could signal flare-ups of inflammatory bowel disease (IBD). A team of bioengineers demonstrated the wristwatch-like device in a proof-of-concept study.
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What a Joe Biden Presidency Would Mean For Science
The coronavirus pandemic, climate change and space exploration are among the issues that Biden will influence if he wins the upcoming U.S. election — Read more on ScientificAmerican.com
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Generating renewable hydrogen fuel from the sea
The power of the sun, wind and sea may soon combine to produce clean-burning hydrogen fuel, according to researchers. The team integrated water purification technology into a new proof-of-concept design for a sea water electrolyzer, which uses an electric current to split apart the hydrogen and oxygen in water molecules.
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Exosome treatment improves recovery from heart attacks in a preclinical study
Research in pigs shows that using the exosomes naturally produced from a mixture of heart muscle cells, endothelial cells and smooth muscle cells — which were all derived from human induced pluripotent stem cells — yields regenerative benefits equivalent to the injected human induced pluripotent stem cell-cardiac cells.
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Drug found to correct gene defect that causes immune-driven gut leakiness
Researchers have found that the drug tofacitinib, also called Xeljanz and approved by the FDA to treat rheumatoid arthritis and ulcerative colitis, can repair permeability defects in the intestine.
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'I'll sleep when I'm dead': The sleep-deprived masculinity stereotype
In the United States, the average American sleeps less than the minimum seven hours of sleep per night recommended by the Center for Disease Control, and nearly half of Americans report negative consequences from insufficient sleep. This problem appears to be especially prevalent in men, who report getting significantly less sleep, on average, than women.
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New fire containment research addresses risk and safety
Researchers address new ways to assess risks and evaluate fire fighting effectiveness.
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Wearable sensor to help people with inflammatory bowel disease
Researchers have designed a wearable device that monitors sweat for biomarkers that could signal flare-ups of inflammatory bowel disease (IBD). A team of bioengineers demonstrated the wristwatch-like device in a proof-of-concept study.
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Obstructive sleep apnea risk varies in patients with different types of epilepsy
People with generalized epilepsy who have seizures arising from both sides of the brain simultaneously, have a higher risk of obstructive sleep apnea (OSA) compared to patients who have focal epilepsy where seizures emanate from one area of the brain, according to a Rutgers study.
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The secretive networks used to move money offshore
In 2016, the world's largest ever data leak dubbed "The Panama Papers" exposed a scandal, uncovering a vast global network of people — including celebrities and world leaders, who used offshore tax havens, anonymous transactions through intermediaries and shell corporations to hide their wealth, grow their fortunes and avoid taxes.
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Searching for the chemistry of life
In the search for the chemical origins of life, researchers have found a possible alternative path for the emergence of the characteristic DNA pattern: According to the experiments, the characteristic DNA base pairs can form by dry heating, without water or other solvents. The team led by Ivan Halasz from the Rudjer Boskovic Institute and Ernest Mestrovic from the pharmaceutical company Xellia pre
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Searching for the chemistry of life
In the search for the chemical origins of life, researchers have found a possible alternative path for the emergence of the characteristic DNA pattern: According to the experiments, the characteristic DNA base pairs can form by dry heating, without water or other solvents. The team led by Ivan Halasz from the Rudjer Boskovic Institute and Ernest Mestrovic from the pharmaceutical company Xellia pre
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Cheating birds mimic host nestlings to deceive foster parents
The common cuckoo is known for its deceitful nesting behavior—by laying eggs in the nests of other bird species, it fools host parents into rearing cuckoo chicks alongside their own. While common cuckoos mimic their host's eggs, new research has revealed that a group of parasitic finch species in Africa have evolved to mimic their host's chicks—and with astonishing accuracy. The study is published
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Logistics logic to reducing hotel food waste
Food waste is a growing problem for humanity. Vast tonnages of fresh food is lost because it never reaches consumers for myriad reasons, and similarly, food that reaches individual consumers and food outlets is often not eaten before it perishes and must be disposed of.
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The way forward to Mars
The path that ExoMars 2022 will follow to reach the Red Planet is set. The trajectory that will take the spacecraft from Earth to Mars in 264 days foresees a touchdown on the martian surface on 10 June 2023, at around 17:30 CEST (15:30 UTC).
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Genetic tracing 'barcode' is rapidly revealing COVID-19's journey and evolution
Drexel University researchers have reported a method to quickly identify and label mutated versions of the virus that causes COVID-19. Their analysis, using information from a global database of genetic information gleaned from coronavirus testing, suggests that there are at least 8 to 14 slightly different versions of the virus infecting people in America, some of which are either the same as, or
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Cheating birds mimic host nestlings to deceive foster parents
The common cuckoo is known for its deceitful nesting behavior—by laying eggs in the nests of other bird species, it fools host parents into rearing cuckoo chicks alongside their own. While common cuckoos mimic their host's eggs, new research has revealed that a group of parasitic finch species in Africa have evolved to mimic their host's chicks—and with astonishing accuracy. The study is published
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Two groups demonstrate designs for electrocaloric cooling that change temperature under an electric field
Two teams working independently of each other have demonstrated designs for electrocaloric cooling that can change temperatures under an electric field. Both groups used lead scandium tantalate capacitors in their systems, but they differed slightly in how they were used. The first group, with members from PARC in the U.S. and Murata Manufacturing Co., in Japan showed that electrocaloric cooling c
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IonQ announces development of next-generation quantum computer
IonQ, a College Park, Maryland-based quantum computing hardware and software company has announced that it has launched its next generation quantum computer. As part of its announcement, the company is claiming that its new machine is the most powerful quantum computer built to date based on IBM's quantum volume metric. The company has also announced that the new computer will be made available to
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Evidence of a cat recognizing and mimicking human behavior
A small team of researchers with Eötvös Loránd University's Department of Ethology in Budapest has observed an instance of a house cat recognizing and then mimicking human behavior. The group has written a paper describing their observations and published it in the journal Animal Cognition.
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Evidence of a cat recognizing and mimicking human behavior
A small team of researchers with Eötvös Loránd University's Department of Ethology in Budapest has observed an instance of a house cat recognizing and then mimicking human behavior. The group has written a paper describing their observations and published it in the journal Animal Cognition.
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Double detection of cell changes could diagnose disease earlier
Chemical probes that detect changes in two factors related to inflammation within cells could lead to earlier disease detection.
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Songbirds sing, like humans flock, for opioid reward
What do songbirds and humans have in common? We crave social interaction, and the chemical rewards that flood our brain when we get it.
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Arcobacter abundant in Hurricane Florence floodwaters
A North Carolina State University research team's search for Campylobacter in the floodwaters from Hurricane Florence instead uncovered an abundance of a related emerging pathogen: Arcobacter. The study raises questions about the prevalence of these understudied bacteria and demonstrates the ways in which floodwaters can amplify or spread pathogens over a geographical area.
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Scientists take a step toward understanding 'jumping genes' effect on the genome
Using state-of-the-art statistical methods, a team of researchers said they may have taken a leap closer to understanding a class of jumping genes, sequences that move to different locations in the human genome, which is the body's complete set of DNA. They added that the work could lead to insights into the evolution of the human genome, as well as have implications for several diseases, includin
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Double detection of cell changes could diagnose disease earlier
Chemical probes that detect changes in two factors related to inflammation within cells could lead to earlier disease detection.
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Songbirds sing, like humans flock, for opioid reward
What do songbirds and humans have in common? We crave social interaction, and the chemical rewards that flood our brain when we get it.
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Scientists take a step toward understanding 'jumping genes' effect on the genome
Using state-of-the-art statistical methods, a team of researchers said they may have taken a leap closer to understanding a class of jumping genes, sequences that move to different locations in the human genome, which is the body's complete set of DNA. They added that the work could lead to insights into the evolution of the human genome, as well as have implications for several diseases, includin
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Smitta i luften klarar sig bättre än väntat
Forskning visar att smittämnen man tidigare trott inte klarar sig i luften, faktiskt gör det. Ett exempel är norovirus som ger upphov till vinterkräksjuka. Intensiv forskning pågår nu vid Lunds universitet för att förstå om också coronavirus kan smitta via luften. Bakterier och virus som sprids via luften är svåra att skydda sig mot och det är svårt att veta när de finns i luften omkring oss. Aer
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Ny undersøgelse: Sikre cykelstier kan gøre cyklister utrygge
PLUS. Kun ganske få cykelløsninger har både en positiv effekt på trafiksikkerheden, oplevet tryghed og fremkommelighed, skriver Vejdirektoratet. Se her, hvad der til gengæld er entydigt gode løsninger.
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How scientists try to weigh some of the fattest bears on Earth
Bear 151, or "Walker," is one of the year's contestants. Here, fishing for salmon at Brooks Falls. (N. Boak / U.S. National Park Service/) This week, anyone with internet access can help to determine the winner of a bizarre competition: which bear in Katmai National Park and Preserve in Alaska is the fattest of all. Since 2013, the park and its partner organizations have held an online competitio
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New model examines how societal influences affect US political opinions
Northwestern University researchers have developed the first quantitative model that captures how politicized environments affect U.S. political opinion formation and evolution.
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Hidden DNA fragment the 'trigger switch' for male development
Biology textbooks may need to be re-written, with scientists finding a new piece of DNA essential to forming male sex organs in mice.
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Tweaks to land-based conservation efforts would pay huge freshwater ecosystem dividends
Conservation projects aimed at protecting land-dwelling species could net major gains in helping species living in streams, lakes and wetlands with relatively minor adjustments.
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These Robotic Virtual Reality Boots Make It Feel Like You're Walking While You Stay in Place
Last year I did a VR experience meant to simulate what it's like to be at the US-Mexico border wall. The tall, foreboding wall towered above me, and as I turned from side to side there were fields of grass with some wildlife and a deceivingly harmless-looking border patrol station. I wanted to explore more, so I took a few steps toward the wall, hoping to catch a glimpse of the Mexico side throug
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Trump's Denial Has Now Produced What He Feared
During Tuesday night's debate , moderator Chris Wallace pressed Donald Trump on his cavalier attitude toward COVID-19 safety measures. The president mocked the Democratic nominee, Joe Biden ("Every time you see him, he's got a mask"), but he also insisted that he was personally careful—everyone around him was tested regularly. "I have a mask right here. I put a mask on when I think I need it," he
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Scientists Must Rise in Defense of Democracy
Now is the moment to act so that we never have to experience an authoritarian version of the U.S. — Read more on ScientificAmerican.com
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Childhood chemo alters heart's caretaker cells
Why do 20% of children who receive cancer chemotherapy go on to develop heart failure later in life?
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Vessel noise present year-round at Cordell Bank National Marine Sanctuary
The environment in the Cordell Bank National Marine Sanctuary off the coast of San Francisco is not a refuge from the noise generated by ship traffic, the first underwater marine acoustic study of the region has shown.
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Smart cruise control steers drivers toward better decisions
Smart cruise control, better human decisions. Engineers study how cars and trucks move cooperatively on the road, respond to each other's environmental sensors and react as a group to lessen traffic jams and protect the humans inside.
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First 'pathoconnectome' could point toward new treatments for neurodegenerative diseases
Scientists have achieved another first in the field of connectomics, which studies the synaptic connections between neurons. The lab has produced the first pathoconnectome, showing how eye disease alters retinal circuitry.
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Using microbial information to inform global climate change models
Researchers have tackled a problem that has challenged scientists for more than a decade. The findings from which may have important implications for understanding and predicting the ecological consequences of climate warming.
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E. coli engineered to grow on CO2 and formic acid as sole carbon sources
A metabolic engineering research group has developed a strategy to grow an E. coli strain to higher cell density solely on CO2 and formic acid. Formic acid is a one carbon carboxylic acid, and can be easily produced from CO2 using a variety of methods.
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Process for visualizing defects in crystal solids enhanced by artificial intelligence
Crystals are ubiquitous: most metals, for example, are crystalline. Known for the almost perfect organization of their atoms, crystals nonetheless always contain imperfections, which are called defects. The concentration and morphology of defects in a crystalline solid have a direct influence on the properties of the material. Improving the understanding of crystal defects and their evolution will
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E. coli engineered to grow on CO2 and formic acid as sole carbon sources
A metabolic engineering research group has developed a strategy to grow an E. coli strain to higher cell density solely on CO2 and formic acid. Formic acid is a one carbon carboxylic acid, and can be easily produced from CO2 using a variety of methods.
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Finding right drug balance for Parkinson's patients
Parkinson's disease is most commonly treated with levodopa, but the benefits wear off as the disease progresses and high doses can result in dyskinesia, which are involuntary and uncontrollable movements. To better understand the underlying reasons behind these effects, researchers created a model of the interactions between levodopa, dopamine, and the basal ganglia, an area of the brain that play
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How speech propels pathogens
Speech and singing spread saliva droplets, a phenomenon that has attracted much attention in the current context of the Covid-19 pandemic. Scientists from the CNRS, l'université de Montpellier, and Princeton University sought to shed light on what takes place during conversations.
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New clues about the link between stress and depression
Researchers at Karolinska Institutet in Sweden have identified a protein in the brain that is important both for the function of the mood-regulating substance serotonin and for the release of stress hormones, at least in mice. The findings, which are published in the journal Molecular Psychiatry, may have implications for the development of new drugs for depression and anxiety.
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New research on cataract surgery in order to improve health care
In general, surgeons who perform numerous cataract operations every year encounter relatively few severe cases, and this probably contributes to their lower complication rate, as shown by a study led from the University of Gothenburg. These results provide new knowledge in the endeavor to further improve healthcare for a large group of patients.
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Current air pollution linked to more severe COVID-19
Contemporaneous exposure to air pollution may influence the severity of COVID-19 illness and increase the likelihood people will die from the disease, a new study shows. Researchers examined daily air pollution data collected from US Environmental Protection Agency (EPA) monitoring stations across the United States as well as COVID-19 mortality and caseload data from the Johns Hopkins University
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Trump's COVID Infection Puts Him in Multiple High-Risk Categories
The president is age 74, male and heavy—all factors linked to more severe cases of the illness — Read more on ScientificAmerican.com
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Trump's COVID Infection Puts Him in Multiple High-Risk Categories
The president is age 74, male and heavy—all factors linked to more severe cases of the illness — Read more on ScientificAmerican.com
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Australia is full of lizards, so I went bush to find out why
Though it may not be as famous a stereotype as shrimps on the barbie, deadly snakes or Vegemite, Australia is renowned in certain scientific circles for being the "land of the lizards."
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Corals have a secret weapon against a warming climate
Rising ocean temperatures are killing coral reefs, but researchers discovered corals have a secret buried in their genes that just might help them fight off seasonal changes in temperature.
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Every year in Australia, nature grows 8 new trees for you—but that alone won't fix climate change
From Tasmania's majestic forest giants to the eucalypt on your nature strip, trees in Australia are many, varied and sometimes huge. But how many are there exactly? And how does their number change over time?
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Historic Amazon rainforest fires threaten climate and raise risk of new diseases
The fires in the Amazon region in 2019 were unprecedented in their destruction. Thousands of fires had burned more than 7,600 square kilometers by October that year. In 2020, things are no better and, in all likelihood, may be worse.
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Australia is full of lizards, so I went bush to find out why
Though it may not be as famous a stereotype as shrimps on the barbie, deadly snakes or Vegemite, Australia is renowned in certain scientific circles for being the "land of the lizards."
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Deep learning model provides rapid detection of stroke-causing blockages
A sophisticated type of artificial intelligence (AI) called deep learning can help rapidly detect blockages in the arteries that supply blood to the head, potentially speeding the onset of life-saving treatment, according to a study.
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Potential for natural forest regrowth to capture carbon
A major new study that maps potential aboveground carbon accumulation rates for forest regrowth across the globe.
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Evolution of pine needles helps trees cope with rainfall impact
If you have been surrounded by the sight and smell of pine trees, you may have taken a closer look at the needles and then wondered how their properties are influenced by rainfall. Researchers are currently probing how well pine needles allay the impact of rain beneath the tree. They explored the impact of raindrops onto fixed, noncircular fibers of the longleaf pine by using high-speed videograph
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Finding right drug balance for Parkinson's patients
Parkinson's disease is most commonly treated with levodopa, but the benefits wear off as the disease progresses and high doses can result in dyskinesia, which are involuntary and uncontrollable movements. To better understand the underlying reasons behind these effects, researchers created a model of the interactions between levodopa, dopamine, and the basal ganglia, an area of the brain that play
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President Trump has COVID-19, according to White House statements
The Vice President has reportedly tested negative. (Unsplash/) Shortly before 1 a.m. on Friday October 2, President Donald Trump announced on Twitter that he and First Lady Melania Trump have tested positive for SARS-CoV-2, the virus that causes COVID-19 . His Twitter claim has since been backed up by White House physician Sean Conley, whose official memo (dated October 1) states that both indivi
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Why Astronomers Want to Build a SETI Observatory on the Moon
Researchers say the location would offer a quiet spot from which to hear a signal from an intelligent civilization
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Trump's coronavirus diagnosis adds to market nerves over US election
Investors were braced for post-vote turbulence but diagnosis raises risks in run-up to polling day
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Tumor Dissociation Guidance for Single Cell Analysis
Watch this webinar to learn the best practices for cell isolation!
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Nicole Krauss on Seeing Manhood Through a Woman's Eyes
Editor's Note: Read Nicole Krauss's new short story "To Be a Man." "To Be a Man" is a new story by Nicole Krauss, adapted from the author's upcoming story collection of the same name (available November 3). To mark the story's publication in The Atlantic , Krauss and Thomas Gebremedhin, a former senior editor at the magazine, discussed the story over email. Their conversation has been lightly edi
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To Be a Man
Editor's Note: Read an interview with Nicole Krauss about her writing process. My Father My boys are standing at the edge of the jetty, and either they will jump or they won't jump. It is early summer, June, under the great bell of the sky, on the island on which I was raised. The waves are coming in from such a long way off that no one can say when or where their turbulence began, only that they
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COVID-19: Social dilemmas about protective measures
We need to understand how protective actions against contagious diseases are adopted to define the correct preventive approaches. A research team of the University of Geneva collected data about the adoption of protective measures. They analysed how the behaviour of others influences individual decision-making. The people least likely to adopt these measures are those who believe that the precauti
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Potential new tool for frost screening in crops
Agricultural scientists and engineers at the University of Adelaide have identified a potential new tool for screening cereal crops for frost damage.
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A putative mechanism that switches brain pathology from anxiety to depression discovered
In experiments on mice, putative mechanisms for switching brain pathology from a state of experimental anxiety to depression have been discovered by the international team of researchers led by scientists from St Petersburg University (Russia). In the long term, this discovery could make it possible to create new, more effective drugs for mental disorders in humans.
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Awakening after a sleeping pill
A patient who could not move and talk spontaneously for eight years started to do so again after being administered a sleeping pill. The spectacular but temporary effect was visualized with brain scans, giving researchers from Radboud university medical center and Amsterdam UMC a better understanding of this disorder's underlying neurophysiological processes. The article has been published in Cort
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Could a poo transplant one day be the secret of eternal youth?
Poo transplants could one day be used to restore cognitive decline among the elderly – according to new research.A new study published today shows how faecal transplants from older to younger mice altered their gut microbiome, which in turn impacted their spatial learning and memory.The research team hope the reverse could also be true, and one day used as a therapy to restore cognitive function i
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A factor limiting recovery from bleaching in corals
A joint research team has examined the effect of pre-exposure to heat stress on the capacity of symbiotic algae to infect cnidarian hosts using the Aiptasia (sea-anemone)-zooxanthellae (algae) model system. They discovered that the symbiotic algae lose their capacity to infect the host once they are exposed to heat stress. These results suggest that recovery from bleaching can be limited by the lo
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Coastal flooding will disproportionately impact 31 million people globally
Indiana University researchers analyzed these geographic regions, which include cities like New Orleans, Bangkok, and Shanghai, using a new global dataset to determine how many people live on river deltas, how many are vulnerable to a 100-year storm surge event, and the ability of the deltas to naturally mitigate impacts of climate change.
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Physicists build circuit that generates clean, limitless power from graphene
Physicists at the University of Arkansas have successfully generated an electrical current from the atomic motion of graphene, discovering a new source of clean, limitless power.
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Fish might stop swimming in schools
Modern industrial fishing technologies may threaten the practice of fish swimming in schools, a new study shows. Life on Earth is all about strategies for survival, with every organism developing behaviors and bodies that maximize chances of staying alive and reproducing while minimizing the likelihood of being injured or eaten. Fish are one such example. For millions of years, many species have
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This Meme Is the Only Good Thing to Come Out of the Debate
The "worst thing I've ever seen" tweets were the perfect kind of celebrity self-deprecation.
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Lumen Metabolism Tracker Review
Breathe into it and the Lumen will tell you how well you're burning fat, and how to eat healthier.
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Why Some Ecologists Worry About Rooftop Honey Bee Programs
Urban beekeeping has given some scientists pause. They wonder if these efforts are really helping to save the bees—especially native species.
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Facebook Finally Slowed Down—When We Needed It to Move Fast
Plus: Mark Zuckerberg's own words, the personification of the internet, and Burger King's whopper of an ask.
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ISS lækker – igen
PLUS. Besætningen på Den internationale Rumstation forsøger at finde en lille lækage. Der er ingen fare for folkene om bord.
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Nine Nobel Prize Predictions for 2020
These significant advancements could win the Nobel Prizes in physiology or medicine, physics and chemistry. nobel_2020_top2.jpg Image credits: Abigail Malate, Staff Illustrator Rights information: Copyright American Institute of Physics Culture Thursday, October 1, 2020 – 16:30 Inside Science Staff (Inside Science) — Making predictions for the Nobel prizes in physiology or medicine, physics and
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Searching for the chemistry of life
In the search for the chemical origins of life, researchers have found a possible alternative path for the emergence of the characteristic DNA pattern: According to the experiments, the characteristic DNA base pairs can form by dry heating, without water or other solvents. The team led by Ivan Halasz from the Ru?er Boškovi? Institute and Ernest Meštrovi? from the pharmaceutical company Xellia pres
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Cheating birds mimic host nestlings to deceive foster parents
While common cuckoos mimic their host's eggs, new research has revealed that a group of parasitic finch species in Africa have evolved to mimic their host's chicks – and with astonishing accuracy.
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TGen and HonorHealth study suggests alternative method of diagnosing lung infection
As ventilator use in hospitals skyrockets during the COVID-19 pandemic, results of a study by the Translational Genomics Research Institute, City of Hope, HonorHealth Research and Innovation Institute, and the University of Arizona suggests a better way to diagnose ventilator-associated pneumonia (VAP). The findings of this study, which was supervised by Patrick Pirrotte, Ph.D., Director of TGen's
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Rogue Earth-mass planet discovered freely floating in the Milky Way without a star
If a solar system is a family, then some planets leave home early whether they want to or not. Once they've left the gravitational embrace of their family, they're pretty much destined to drift through interstellar space forever, unbound to any star.
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President Donald Trump Has Been Diagnosed with COVID
In a dramatic twist, US President Donald Trump admitted early this morning that he had tested positive for COVID-19. "Tonight, [first lady Melania Trump] and I tested positive for COVID-19," he wrote on Twitter . "We will begin our quarantine and recovery process immediately." The development comes with just weeks left in the presidential election, but it's impossible to predict its results. Some
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Nickel alloy in e-cig devices may harm lungs
Early results of an experimental vaping study show significant lung injury from e-cigarette devices with nickel-chromium alloy heating elements. The findings, from the study with rodents, remained consistent, with or without the use of nicotine, vitamin E oil, or tetrahydrocannabinol (THC). Health experts had previously thought these factors contribute to the life-threatening respiratory problem.
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Malaria campaigns fight off Covid disruptions to deliver programmes
Almost all planned work against the disease has gone ahead this year, delivering nets, drugs and the world's first malaria vaccine More than 90% of anti-malaria campaigns planned this year across four continents are on track, despite disruptions caused by the coronavirus pandemic, according to new research. The delivery of insecticide-treated nets and provision of antimalarial medicines in the ma
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Debat: EU's kemikaliestrategi kan spærre for teknologisk innovation
EU's kommende kemikaliestrategi ser bort fra, at mange farlige kemikalier er uundværlige og ikke nødvendigvis udgør en risiko.
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Babies' random choices become their preferences
When a baby reaches for one stuffed animal in a room filled with others just like it, that random choice is very bad news for those unpicked toys: the baby has likely just decided she doesn't like what she didn't choose. Researchers have known that adults build unconscious biases over a lifetime of choosing between things that are essentially the same, but finding that even babies do it demonstrat
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Did NASA Miss Evidence of Life on Venus in 1978?
Scientists are still coming to terms with the slim possibility that life exists in the clouds of Venus . It turns out the inhospitable planet has traces of phosphine in its atmosphere, and that often points to living organisms. This new analysis got biochemist Rakesh Mogul curious about past scans of Venus. He examined NASA data collected in the late 1970s, and the analysis suggests the original
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Trump among 'vulnerable' population, say virus experts
At 74, the US president is in higher-risk age group where 20 per cent of cases require hospitalisation
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The Strangest Election Scenario Runs Through Georgia
There's a small but real possibility that we won't know which party controls the Senate until 2021, thanks to a special election and a unique state requirement.
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Here's the Tech Taking Over Your Home
This week, we talk about everything Google announced this week, plus Amazon's crazy flying surveillance drone.
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AI Can Help Patients—but Only If Doctors Understand It
Algorithms can help diagnose a growing range of health problems, but humans need to be trained to listen.
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The scientific way to make perfectly creamy fondue
Oh yes, potatoes dunked in melted cheese. (angela pham/Unsplash/) This story was originally featured on Saveur . Can you think of a better way to bring people together than around a pot of melty cheesy goodness? Although fondue has its roots in the Alps, we've embraced it as an undeniable mainstay of party-going Americana . The dish rose to prominence in America during 1950s and 60s, and is still
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Health officials fear de-prioritising of Covid testing in care homes in England
Exclusive: concerns raised that switch to prioritising NHS could delay identification of outbreaks Coronavirus – latest updates See all our coronavirus coverage Covid-19 testing in care homes in England could be de-prioritised to save scarce laboratory capacity for the NHS, public health officials fear. The prioritisation of testing capacity to speed up results from hospitals has been raised in m
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Political polarization distilled using data science
Despite the pandemic obliterating in-person interaction, Penn undergraduates Emma Arsekin and Janelle Schneider were able to gather and assess large amounts of data for political research, some from sizeable cross-sections of Pennsylvania's population, and get some valuable insights into political persuasion. As research assistants working for political science professor Daniel Hopkins, the two un
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Researchers develop global consensus on sustainability in the built environment
Researchers from Trinity are among an international group calling on the global community, politicians, industry leaders, and societal decision-makers to better understand the critical importance of the built environment for sustainable development at global and local scales.
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40,000 years of adapting to sea-level change on Alor Island
Early people were rapidly adapting to climate change as they made their way towards Australia tens of thousands of years ago, new research shows.
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Ugens debat: Leverede Tesla nok på Batteridagen?
Ing.dk fortalte i sidste uge om Teslas årlige 'batteri-­dag' med planer om mere effektive batterier og længere rækkevidde. Som altid, når det handler om Tesla, fandt mange læsere vej til kommentarsporet.
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'Antigravity' Sailboat Floats under the Water's Surface
Small objects bob on either side of a levitating layer of water — Read more on ScientificAmerican.com
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Speaking of Venus
I recently discussed the exciting news of the discovery of phosphine gas in the clouds of Venus. This is exciting because phosphine is a potential marker of life. It should not exist on a small rocky world, and there is no known abiotic source on Venus. Microbes in the clouds above Venus are a plausible source, although scientists are careful to point out this is not proof of life, just a possibi
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Neandertalar-gener gör covid-19 extra dödlig i Europa
Att hög ålder och manligt kön utgör riskfaktorer för att drabbas hårt av covid-19 är redan känt. Det handlar om allvarliga komplikationer som kan kräva respiratorvård och kosta patienten livet.
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Dommer undrer sig over oversete Femern-rev: De burde være undersøgt særligt nøje
PLUS. Tysk domstol behandler flere klager over Femern-byggeriet. Et af punkterne handler om de nyopdagede fredede rev, der i yderste konsekvens kan betyde en genstart af byggetilladelsen.
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The Moss That Lives under a Rock
If you lived in a desert, you'd probably want to live under a rock, too — Read more on ScientificAmerican.com
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Scramble under way in Washington to trace spread of Covid among US leadership
Donald Trump's positive test after hectic week puts White House into crisis mode Coronavirus – latest updates See all our coronavirus coverage A scramble is under way in Washington to determine how far coronavirus infection has spread in the top ranks of US leadership after Donald Trump tested positive , in a week that included a presidential debate, political rallies and White House meetings wit
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Introducing third legal gender option popular with majority of trans and non-binary people, research shows
Introducing a third legal gender option is popular with the majority of trans and non-binary people, research suggests.
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New process turns paper manufacturing waste into valuable chemicals
A group of researchers at the U.S. Department of Energy's Ames Laboratory has discovered a way to convert a common byproduct of the paper manufacturing process into valuable chemical precursors for making nylon. The process is much more environmentally friendly in terms of the solvent(s) used and the energy inputs than other methods and provides a useful alternative to burning waste products of pu
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Vaccine ingredients could be hiding in small molecule libraries
Many vaccines include ingredients called adjuvants that help make them more effective by eliciting a stronger immune response. Identifying potential adjuvants just got easier, thanks to an approach described by scientists at Kyoto University's Institute for Integrated Cell-Material Sciences (iCeMS) and colleagues in the journal Angewandte Chemie.
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President Donald Trump Tests Positive for Covid-19
Some people get no symptoms or mild ones, and there are treatments for the severest cases. But the disease is risky for people who are older and overweight.
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'Vampires vs. the Bronx' Is a Kids' Movie About Class Warfare
The latest film from Netflix is about fighting back against gentrification and the bourgeoisie—just like 'Dracula' before it.
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1 House, 40 Roommates? During Covid, Co-Living Adds Up
The pandemic has driven people to shelter in place for months. A wave of housing startups argues you shouldn't have to do it alone.
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Your 'Ethnicity Estimate' Doesn't Mean What You Think It Does
DNA testing companies are rolling out algorithm updates, spotlighting the fickleness of ethnicity results, and perhaps reinforcing some troubling beliefs.
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Potential new tool for frost screening in crops
Agricultural scientists and engineers at the University of Adelaide have identified a potential new tool for screening cereal crops for frost damage.
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'Digital chemistry' breakthrough turns words into molecules
A new system capable of automatically turning words into molecules on demand will open up the digitisation of chemistry, scientists say.
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Revealing the lonely origin of Cassiopeia A, one of the most famous supernova remnants
Massive stars end their lives with energetic explosions known as supernovae. Stripped-envelope supernovae show weak or no traces of hydrogen in their ejecta, meaning that the star loses most or all of its hydrogen-rich outer layers before exploding.
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Aerosol instrument starts measurement campaign in European airspace
SRON's aerosol instrument SPEX Airborne is spreading its wings again. On October 2, it will start a series of measurement flights across Europe onboard a Falcon-20 research aircraft. SPEX Airborne will measure aerosols in the atmosphere—tiny dust particles that can disrupt measurements of the greenhouse gas CO2. In time, SPEX is intended to go into space as part of the European SCARBO mission.
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Woodpeckers' drumming: Conserved meaning despite different structure over the years
Animal acoustic signals are amazingly diverse. Researchers from the University of Zurich and the University of Saint-Etienne, together with French, American and Dutch collaborators, explored the function and diversification of animal acoustic signals and the mechanisms underlying the evolution of animal communication systems.
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Vaccine ingredients could be hiding in small molecule libraries
Many vaccines include ingredients called adjuvants that help make them more effective by eliciting a stronger immune response. Identifying potential adjuvants just got easier, thanks to an approach described by scientists at Kyoto University's Institute for Integrated Cell-Material Sciences (iCeMS) and colleagues in the journal Angewandte Chemie.
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Woodpeckers' drumming: Conserved meaning despite different structure over the years
Animal acoustic signals are amazingly diverse. Researchers from the University of Zurich and the University of Saint-Etienne, together with French, American and Dutch collaborators, explored the function and diversification of animal acoustic signals and the mechanisms underlying the evolution of animal communication systems.
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Science-Based Satire: More Parents Relying on Fetal Body Language Analysis
Are worried parents-to-be seeking out the services of fetal body language analysis experts? Is body language a scientifically proven window into our secret thoughts and desires? Is this just satire? Obviously it is, because I've got a closed-lip grin on my face and I haven't blinked this entire time. The post first appeared on Science-Based Medicine .
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The Moss That Lives under a Rock
If you lived in a desert, you'd probably want to live under a rock, too — Read more on ScientificAmerican.com
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PODCAST: Elnettet bremser solcelleboom
På 18 ud af de 20 offentlige biblioteker, som Version2 har undersøgt, står USB-portene åbne for hackernes keyloggere. Der er for få investeringer i elnettet til at understøtte solcelleudviklernes store planer. Universet er fuld af planeter, der ligner Jorden.
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Why Some People Are Still Getting Sick–but Not with COVID
Despite pandemic precautions, the common cold and other illnesses are still circulating — Read more on ScientificAmerican.com
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Stimulerade stamceller kan reparera vid ryggmärgsskada
Forskare från Karolinska Institutet visar att det går att stimulera stamceller i ryggmärgen hos möss så att de bildar stora mängder nya oligodendrocyter, en celltyp som är viktig för nervfibrernas förmåga att leda signaler och därmed bidrar till att reparera skador i ryggmärgen. Ryggmärgen förmedlar signaler från hjärnan till kroppen och ryggmärgsskador leder därför ofta till förlamning av varier
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Why Some People Are Still Getting Sick–but Not with COVID
Despite pandemic precautions, the common cold and other illnesses are still circulating — Read more on ScientificAmerican.com
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L'état C'est Trump
A lthough arrogant men have often occupied the Oval Office, the nation has never suffered a presidential ego quite so expansive as Donald Trump's. In his mind, he is the state, his interests indistinguishable from those of the nation. When Trump looks at the federal bureaucracy, he sees hired help. Endless examples capture this selfish view of government, but perhaps the clearest is that the Just
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Covid vaccine tracker: when will a coronavirus vaccine be ready?
More than 170 teams of researchers are racing to develop a safe and effective vaccine. Here is their progress Researchers around the world are racing to develop a vaccine against Covid-19, with more than 170 candidate vaccines now tracked by the World Health Organization (WHO). Continue reading…
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This scientist made a Google Doc to educate the public about airborne coronavirus transmission
The evidence that the coronavirus spreads through the air has been mounting for months . However, the official guidance from the World Health Organization and Centers for Disease Control is still that droplets are the main route of transmission. In fact, the CDC changed its website last month to acknowledge airborne transmission as a route for covid-19 infections but removed the new guidance just
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The Outcome: A newsletter about making the election safe again
Elections are a technology. I don't mean just that they rely on technology, although cybersecurity, voter data, misinformation, and online advertising are all central to how today's elections are fought. I mean elections themselves are a technology—an essential mechanism in the running of a healthy society. Elections enable power to alternate between different factions without civil war; they lim
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Reflektion viktig för att utvecklas på jobbet
Reflektion får olika kunskaper att smälta samman. Den är viktigt för att utvecklas i sitt yrke, bidrar till kunskapsutveckling och kan också hjälpa till att skydda vid svåra och emotionellt laddade situationer, visar forskning från Högskolan Väst. Avhandlingen vid Högskolan i väst handlar om vilken roll reflektion har för professionellt lärande och kunskapsutveckling. Och om socialarbetares först
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How we can burn our way to a better future
Controlled fires can help return ecosystems to a healthier state. (Gasper Pogacar/Pexels/) The West is experiencing continually record-breaking flames, but the solution is more fire. Even with the massive fire totals of 2020— over five millions acres across the West Coast—there will be no break next year. Many more millions of acres of forest across the western states are fire-starved, meaning th
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Duo that used legal threats to force scientists to pay for a tool face off in court
Steven Trubow and Donald Morisky made a small fortune through a controversial company that licensed, often at what researchers thought were exorbitant rates, a tool to scientists, wielding the cudgel of costly legal action if they balked at payment. Now, in what critics of the pair will doubtless find a delicious irony, the pair is … Continue reading
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Wildfires May Pose Drinking Water Safety Issues
Experts are warning that existing water safety rules are not suitable to a world where wildfires destroy more residential areas than in the past.
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Book Review: The Precarious Future of American Farming
In "Perilous Bounty," Tom Philpott chronicles the macro forces that shape industrial agriculture, from government subsidies to the consolidation of agrochemical firms — and uncovers how business and political trends have left the nation's farmland at risk from the accelerating effects of climate change.
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Rapport om gängvåld visar brister i polisens ledarskap
Du har tillsammans med Johannes Knutsson, Oslo universitet, skrivit en ny rapport om polisens arbete mot gängvåld. Vad är rapportens viktigaste slutsats? – Att polisen inte i tillräckligt hög grad är en lärande organisation, samt att det görs för lite analysarbete inför olika insatser. Vi lyfter också bristerna i ledarskapet inom polisen. Vad är det som brister i ledarskapet?
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København afspærrer computere, indtil borgernes sikkerhed er på plads
Der er adgang forbudt til alle offentlige bibliotekscomputere i København, indtil de er sikret med metalkabinetter. Men Vallensbæk har en endnu bedre løsning, mener ekspert.
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Kväveoxid möjlig behandling vid covid-19
Kväveoxid (NO) som fungerade som behandling mot coronaviruset bakom sars-epidemin 2003, har också effekt på närbesläktade SARS-CoV-2, visar en studie från Uppsala universitet. Inhalation av NO skulle kunna vara en verksam behandlingsform, menar forskarna bakom studien. Kväveoxid är ett ämne kroppen själv producerar och som har virusdödande egenskaper. – Oss veterligen är kväveoxid den enda substa
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Exploiting two-dimensional morphology of molybdenum oxycarbide to enable efficient catalytic dry reforming of methane
Nature Communications, Published online: 02 October 2020; doi:10.1038/s41467-020-18721-0 The two-dimensional morphology of molybdenum oxycarbide (2D-Mo2COx) nanosheets dispersed on silica is found vital for the dry reforming of methane. Here the authors show that the specific activity of 2D-Mo2COx/SiO2 exceeds that of other Mo2C-based catalysts by ca. 3 orders of magnitude.
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Multi-omics prediction of immune-related adverse events during checkpoint immunotherapy
Nature Communications, Published online: 02 October 2020; doi:10.1038/s41467-020-18742-9 Immunotherapy, the reactivation of the immune system to recognize cancer cells, can be accompanied by severe adverse effects. Here, the authors use pharmacovigilance and genomic data to be able to predict which patients might be susceptible to such severe events.
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TASOR is a pseudo-PARP that directs HUSH complex assembly and epigenetic transposon control
Nature Communications, Published online: 02 October 2020; doi:10.1038/s41467-020-18761-6 The HUSH complex plays a key role in controlling transcription of viruses and transposable elements. Here, the authors define the biochemical basis of HUSH assembly and show that the TASOR subunit contains a pseudo-PARP domain critical for HUSH-dependent transgene repression and H3K9me3 deposition over target
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D-serine mitigates cell loss associated with temporal lobe epilepsy
Nature Communications, Published online: 02 October 2020; doi:10.1038/s41467-020-18757-2 Temporal lobe epilepsy (TLE) can be unresponsive to treatment. Here, the authors show that treatment with D-Serine mitigates TLE and acts on neurons and glia, attenuating neuronal loss and reducing astro- and microgliosis in rodents.
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Real-world data from a molecular tumor board demonstrates improved outcomes with a precision N-of-One strategy
Nature Communications, Published online: 02 October 2020; doi:10.1038/s41467-020-18613-3 A molecular tumor board (MTB) is often used as a platform that integrates clinical and molecular parameters for clinical decision making. Here, the authors review the outcome of 715 cancer patients presented at their institution's MTB, and demonstrate that patients who received a MTB-recommended regimen recei
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Future climate change vulnerability of endemic island mammals
Nature Communications, Published online: 02 October 2020; doi:10.1038/s41467-020-18740-x Island ecosystems are notoriously vulnerable to anthropogenic species losses. Here, the authors identify insular hotspots of vulnerability to climate change (under RCPs 6.0 and 8.5) in mammals via a trait-based, quantitative vulnerability framework, finding that exposure to climate change is not a reliable pr
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Author Correction: Analysis of laser radiation using the Nonlinear Fourier transform
Nature Communications, Published online: 02 October 2020; doi:10.1038/s41467-020-18971-y
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Targeted scavenging of extracellular ROS relieves suppressive immunogenic cell death
Nature Communications, Published online: 02 October 2020; doi:10.1038/s41467-020-18745-6 Reactive oxygen species in the tumour microenvironment can have an immunosuppressive effect. Here, the authors devise a nanoparticle that anchors to the extracellular matrix within tumours and scavenges reactive oxygen species, resulting in an enhanced immune response within the tumour.
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Woodpeckers' drumming: Conserved meaning despite different structure over the years
How do animals produce and perceive biological information in sounds? To what extent does the acoustic structure and its associated meaning change during evolution? An international team led by the University of Zurich and the University of Saint-Etienne reconstructed the evo-lutionary history of an animal communication system, focusing on drumming signals of woodpeckers.
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New tool shows main highways of disease development
New tool developed at University of Copenhagen enables researchers to explore disease patterns from 7.2 million patients spanning 25 years. The tool is freely available for the scientific community and requires no prerequisite bioinformatics or medical informatics skills.
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Donald Trump and first lady Melania test positive for coronavirus
US election in disarray as president and first lady begin quarantine after aide contracts virus Trump tests positive for coronavirus – latest updates Trump tests positive: what we know and don't know The US presidential election has been plunged into disarray after Donald Trump and his wife Melania tested positive for coronavirus following weeks in which the US president sought to suggest the wor
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Co-detection of Bordetella pertussis and other respiratory organisms in children hospitalised with lower respiratory tract infection
Scientific Reports, Published online: 02 October 2020; doi:10.1038/s41598-020-73462-w
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New findings on palynofacies characteristics of semi-enclosed deep-sea environments in the East Sea over 2 million years
Scientific Reports, Published online: 02 October 2020; doi:10.1038/s41598-020-73493-3 New findings on palynofacies characteristics of semi-enclosed deep-sea environments in the East Sea over 2 million years
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The submerged footprint of Perito Moreno glacier
Scientific Reports, Published online: 02 October 2020; doi:10.1038/s41598-020-73410-8
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Use of artificial intelligence to recover mandibular morphology after disease
Scientific Reports, Published online: 02 October 2020; doi:10.1038/s41598-020-73394-5
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Imitation in Angelman syndrome: the role of social engagement
Scientific Reports, Published online: 02 October 2020; doi:10.1038/s41598-020-72079-3
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Unveiling water dynamics in fuel cells from time-resolved tomographic microscopy data
Scientific Reports, Published online: 02 October 2020; doi:10.1038/s41598-020-73036-w
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HHS Renews $10.2 Million Contract For Controversial COVID-19 Data Tracking Company
Despite an HHS Inspector General investigation and questions about performance, the administration has renewed TeleTracking's contract to gather COVID data from hospitals, NPR has learned. (Image credit: Westend61/Getty Images/Westend61)
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Svævere, bleer og sug: Sådan er astronauter gået på toilettet gennem 60 år
PLUS. Toiletbesøg er en videnskab for rumingeniører, der træner astronauter i at ramme kummen og kæmper mod urin-kortslutninger og flyvende afføring. Se med her.
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Much of U.S. Southwest left parched after monsoon season
Cities across the U.S. Southwest recorded their driest monsoon season on record this year, some with only a trace or no rain.
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California milestone: 4 million acres burned in wildfires
California is poised to hit a fearsome milestone: 4 million acres burned this year by wildfires that have killed 30 people and incinerated hundreds of homes in what is already the worst fire season on record.
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Laundry lint can cause significant tissue damage within marine mussels
Microscopic fibers created during the laundry cycle can cause damage to the gills, liver and DNA of marine species, according to new research.
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Bright light bars big-eyed birds from human-altered landscapes
New research shows the glaring light in human-altered landscapes, such as livestock pastures and crop fields, can act as a barrier to big-eyed birds, potentially contributing to their decline.
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Researchers unveil sensor that rapidly detects COVID-19 infection
One feature of the COVID-19 virus that makes it so difficult to contain is that it can be easily spread to others by a person who has yet to show any signs of infection. The carrier of the virus might feel perfectly well and go about their daily business—taking the virus with them to work, to the home of a family member, or to public gatherings.
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Bright light bars big-eyed birds from human-altered landscapes
New research shows the glaring light in human-altered landscapes, such as livestock pastures and crop fields, can act as a barrier to big-eyed birds, potentially contributing to their decline.
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Researchers test brain stimulation in zero gravity
"It's exciting. I love this stuff!" said Bashar Badran, Ph.D. "This is so fun."
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Now What?
The gravest of what-ifs has become a "what now?": This morning, while many Americans were sleeping, President Donald Trump announced that he and the first lady have tested positive for the coronavirus. He disclosed his diagnosis in a tweet , sent at nearly 1 a.m. eastern time: "We will begin our quarantine and recovery process immediately. We will get through this TOGETHER!" The White House did n
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Trump's positive Covid test was a surprise that many saw coming
The president has been cavalier throughout the coronavirus pandemic. Now, a month before the election, this changes everything Donald and Melania Trump test positive for coronavirus Coronavirus – latest updates See all our coronavirus coverage It is likely to go down as the biggest "October surprise" in the history of US presidential elections. Yet anyone who was paying attention could have seen
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Covid-19: Funding crisis threatens zoo conservation
As Covid-19 threatens conservation work, Whipsnade Zoo is hoping for rhino breeding success.
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FOTOS: Kikkertundersøgelse af beton under Njals Tårn afslører nye fund
PLUS. En ny kikkertundersøgelse fra Teknologisk Institut bekræfter støbeskel i bundpladen. Desuden er der registreret et ikke-defineret gult materiale.
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National Trust suffers 'worst year' for ash dieback
The late frost and dry spring has created a 'perfect storm' for disease spread, the charity says.
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Metformin ser ud til at kunne bremse udvikling af demens
I et nyt studie var brug af metformin associeret med langsommere fald i kognitiv funktion og mindre risiko for udvikling af demens blandt ældre med type 2-diabetes.
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DTU Diplom fyrer ca. en femtedel af underviserne
PLUS. Dårlig økonomi plager hele DTU, og universitetsdirektør Claus Nielsen varsler flere afskedigelser i fremtiden.
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The rise of the Covid robots – in pictures
In an age of social distancing, machines are being used for everything from cleaning to taking temperatures Coronavirus – latest updates See all our coronavirus coverage Continue reading…
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DPP-4-hæmmere ser ud til at reducere risiko for COVID-19-dødsfald
Personer med diabetes, der tager DPP-4-hæmmeren sitagliptin, har lavere risiko for at dø af COVID-19, viser nyt studie.
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Why We Should Eat Crickets. And Other Bug Ideas – Facts So Romantic
As the human population expands, we are going to have to find better ways to feed ourselves without further decimating the environment. Photograph by Koldunova Anna / Shutterstock In his new book, The Butterfly Effect: Insects and the Making of the Modern World , Edward Melillo calls some insects "little laboratories," the various productions of which have supported our material world for millenn
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Covid-19 and the climate crisis are part of the same battle | Jeffrey Frankel
To survive the challenges we must reinforce respect for science and nature, sensible public policy and the interconnected world From early on in the Covid-19 pandemic, a common refrain has been, "At least maybe now we will get serious about addressing climate change." One can certainly see the logic behind this thinking . The terrible toll the pandemic has taken should remind us of the importance
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Photos of the Week: Pentagonal Grid, Oil Drums, Scorched Wine
A rocket in Nagorno-Karabakh, flowered hills in Australia, alpine cattle herds in Germany, salt production in Turkey, the Washington Prayer March 2020, projections on the Sydney Opera House, coronavirus burials in Indonesia, scenes from the Paris Fashion Week, protests in Mexico City, fire damage in California, and much more
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Vaccine ingredients could be hiding in small molecule libraries
Many vaccines include ingredients called adjuvants that help make them more effective by eliciting a stronger immune response. Identifying potential adjuvants just got easier, thanks to an approach described by scientists at Kyoto University's Institute for Integrated Cell-Material Sciences (iCeMS) and colleagues in the journal Angewandte Chemie.
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Enhancing blood sugar control boosts brain health for people with type 2 diabetes
Controlling blood sugar levels improved the ability to clearly think, learn and remember among people with type 2 diabetes who were overweight, a new study shows. But losing weight, especially for people who were obese, and increasing physical activity produced mixed results.
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Laundry lint can cause significant tissue damage within marine mussels
Research by the University of Plymouth showed that ingesting lint caused significant abnormality within the mussels' gills, as well as atrophy or deformities leading to loss of definition in digestive tubules
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Face masks unlikely to cause over-exposure to CO2, even in patients with lung disease
New research findings contradict statements linking wearing face masks to carbon dioxide poisoning by trapping CO2. During the COVID-19 pandemic the wearing of face masks has become a highly political issue with some individuals falsely claiming that wearing face masks may be putting people's health at risk. The study published in the Annals of the American Thoracic Society shows otherwise.
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Usikkerhed om lungekræft­henvisninger skaber bekymring i almen praksis
En skrivelse fra Sundhedsstyrelsen har siden 28. februar skabt usikkerhed om, hvorvidt egen læge ved selv den mindste mistanke om lungekræft skal sende patienten videre til udredning i et diagnostisk kræftpakkeforløb.
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Sagen om lungekræftpakkerne: Fra 'bør overveje' til 'skal henvise'
Siden 28. februar er kriterierne for, hvornår egen læge bør overveje at henvise og skal henvise til kræftpakkeforløb blevet skærpet. Nu skal enhver mistanke udløse henvisning til kræftpakkeforløb. Her er de vigtigste datoer.
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Svært at leve op til skærpede retningslinjer
Praktiserende læger skal sende patienter, hvor der er den mindste mistanke om lungekræft, videre til et diagnostisk pakkeforløb. Men det rækker hospitalernes kapacitet næppe til.
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Praktiserende læge: Sundhedsstyrelsen må påtage sig sit ansvar
De praktiserende læger ender med at sidde tilbage med aben, så længe de kliniske retningslinjer for henvisning til udredning af lungekræft ikke matcher virkeligheden. Det mener Bolette Friderichsen, praktiserende læge og næstformand i DSAM.
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Tænk klogt om udredning af lungekræft
I sidste uge holdt Sundhedsstyrelsen stormøde om billeddiagnostik ved undersøgelser af symptomer fra lungerne. Det kan lyde som en uvæsentlig detalje, men tag ikke fejl. Der ligger en tikkende bombe og venter på at detonere, hvis ikke det lykkes for Sundhedsstyrelsen at få styr på retningslinjerne for pakkeforløb ved mistanke om lungekræft.
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Osteoporose: Den skjulte folkesygdom
Osteoporose er for mange stadig en sygdom, der kun rammer ældre, men næsten ubemærket har sygdommen vokset sig til at blive én af de største folkesygdomme i Danmark. Sundhedsstyrelsen formoder, at op mod en halv mio. danskere lider af knogleskørhed uden at vide det. Alligevel er der endnu ikke en national handleplan for opsporing, forebyggelse og behandling.
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Lange udsigter til national handlingsplan
Flere forhindringer lægger sig i vejen for en landsdækkende plan for udredning og behandling af knogleskørhed, som blandt andet Osteoporoseforeningen længe har ønsket sig.
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Bredt og målrettet samarbejde gavner nordjyder med knogleskørhed
Samarbejde mellem region og kommuner i Nordjylland har sat fokus på forebyggelse af brud, der skyldes osteoporose, og de praktiserende læger spiller en afgørende rolle i opsporingen af risikopatienter. I løbet af fem år har samarbejdet nedbragt antallet af hoftebrud med 100 om året.
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Uenighed om praktiserende ­lægers osteoporoseindsats
Dansk Selskab for Almen Medicin barsler med en ny behandlingsvejledning for osteoporose til praktiserende læger som erstatning for en næsten 20 år gammel gældende vejledning. De praktiserende læger er bekymrede for unødig sygeliggørelse, men Osteoporoseforeningen efterlyser mere systematisk fokus.
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Stor kommunal ulighed for patienter med osteoporose
Kun 22 af landets 98 kommuner har et dedikeret tilbud om undervisning og sygdomsmestring til osteoporosepatienter. Samtidig mangler der systematisk indsamling af erfaringer, som kan komme patienterne til gode.
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Medicinrådet anbefaler nyt middel til behandling af osteoporose
Efter seneste rådsmøde anbefaler Medicinrådet to nye lægemidler, heriblandt et til behandling af osteoporose.
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Stamcelleforskning skal bane vej for ny behandling af osteoporose
En forskergruppe ved SDU skal se nærmere på stamceller, som er involveret i knogleopbygning. Målet er at identificere særligt aktive celler, der på sigt kan bruges til udvikling af osteoporosemedicin og stamcelleterapi.
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Den største forvaltningsskandale i regionernes historie?
Hele 'lavdosis CT-sagen' fra Silkeborg bygger på udtalt manglende indsigt og viden hos regionsdirektør Pernille Blach Hansen og hendes nærmeste samarbejdspartnere, skriver Ulrich Fredberg, Jørgen Winther og Mahican Gielen.
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Lad os sammen bygge bro
I stedet for at kræve RAB-ordningen nedlagt bør læger se ordningen som en mulighed for at bygge bro mellem to behandlingssystemer, der kan berige og løfte hinanden.
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Mobilen hjælper med at leve livet sundt
Liva Healthcare har udviklet et digitalt livstilsprogram, som gør det sunde liv borgernært og let tilgængeligt. Programmet benyttes allerede i flere forskellige lande og tilbydes til borgere, heriblandt diabetespatienter og prædiabetikere, i en lang række danske kommuner.
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SGLT-2-hæmmere er en 'game ­changer' inden for behandling af diabetes, ­nyresygdom og hjertesvigt
En opsamling af den nyeste forskning med SGLT-2-­hæmmere som behandling til patienter med diabetes, hjertesvigt og kronisk nyresygdom viser, hvor stort et epokeskifte denne behandlingstilgang repræsenterer.
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Kommunerne har omfavnet ny livsstilsapp
Både borgere og sundhedsvejledere i flere danske ­kommuner melder om stor succes med appen Liva, der tilbydes til blandt andet diabetikere og prædiabetikere.
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Breathtaking Discovery of Australian Cave Art Shows Nature And Humans in Harmony
Amongst the wonders, the oldest painting of a dugong.
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Borgernes bibliotekscomputere står pivåbne for hackerangreb
Kommunerne har haft år til at sørge for it-sikkerheden på landets biblioteker, men mange steder er det »ufatteligt nemt« for hackere at komme til, lyder det fra it-sikkerhedsekspert.
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The turning point and end of an expanding epidemic cannot be precisely forecast [Applied Mathematics]
Epidemic spread is characterized by exponentially growing dynamics, which are intrinsically unpredictable. The time at which the growth in the number of infected individuals halts and starts decreasing cannot be calculated with certainty before the turning point is actually attained; neither can the end of the epidemic after the turning…
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Extracellular vesicle-associated VEGF-C promotes lymphangiogenesis and immune cells infiltration in endometriosis [Physiology]
Endometriosis is a highly prevalent gynecological disease with severe negative impacts on life quality and financial burden. Unfortunately, there is no cure for this disease, which highlights the need for further investigation about the pathophysiology of this disease to provide clues for developing novel therapeutic regimens. Herein, we identified that…
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Adhesion-GPCR Gpr116 (ADGRF5) expression inhibits renal acid secretion [Physiology]
The diversity and near universal expression of G protein-coupled receptors (GPCR) reflects their involvement in most physiological processes. The GPCR superfamily is the largest in the human genome, and GPCRs are common pharmaceutical targets. Therefore, uncovering the function of understudied GPCRs provides a wealth of untapped therapeutic potential. We previously…
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A microstructural neural network biomarker for dystonia diagnosis identified by a DystoniaNet deep learning platform [Computer Sciences]
Isolated dystonia is a neurological disorder of heterogeneous pathophysiology, which causes involuntary muscle contractions leading to abnormal movements and postures. Its diagnosis is remarkably challenging due to the absence of a biomarker or gold standard diagnostic test. This leads to a low agreement between clinicians, with up to 50% of…
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The role of fibril structure and surface hydrophobicity in secondary nucleation of amyloid fibrils [Biophysics and Computational Biology]
Crystals, nanoparticles, and fibrils catalyze the generation of new aggregates on their surface from the same type of monomeric building blocks as the parent assemblies. This secondary nucleation process can be many orders of magnitude faster than primary nucleation. In the case of amyloid fibrils associated with Alzheimer's disease, this…
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Childhood maltreatment is associated with changes in mitochondrial bioenergetics in maternal, but not in neonatal immune cells [Immunology and Inflammation]
Childhood maltreatment (CM) comprises experiences of abuse and neglect during childhood. CM causes psychological as well as biological alterations in affected individuals. In humans, it is hardly explored whether these CM consequences can be transmitted directly on a biological level to the next generation. Here, we investigated the associations between…
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Path identity as a source of high-dimensional entanglement [Physics]
We present an experimental demonstration of a general entanglement-generation framework, where the form of the entangled state is independent of the physical process used to produce the particles. It is the indistinguishability of multiple generation processes and the geometry of the setup that give rise to the entanglement. Such a…
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Driving behavior less 'robotic' thanks to new model
Researchers have now developed a new model that describes driving behavior on the basis of one underlying 'human' principle: managing the risk below a threshold level. This model can accurately predict human behavior during a wide range of driving tasks. In time, the model could be used in intelligent cars, to make them feel less 'robotic'.
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Senescent cells may be good when it comes to a bad injury
It's called senescence, when stressed cells can no longer divide to make new cells, and it's considered a factor in aging and in some diseases. Now scientists have some of the first evidence that at a younger age at least, senescent cells show up quickly after a major injury and are protective.
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Plant droplets serve as nutrient-rich food for insects
Small watery droplets on the edges of blueberry bush leaves are loaded with nutrients for many insects, including bees, wasps and flies, according to a new study, the first of its kind. The study suggests that these droplets are an important but underexplored feature in plants, with profound implications for insects in agricultural and natural ecosystems.
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Trying to answer the hard question of what is Consciousness and referring to different aspects of Reality (explained with a satirical tone in a cartoon animation)
This is a satire video but here are some serious questions that I try to answer: – What is a conspiracy? Why does the human being have concepts such as illusion and reality? How did these notions come about? – Why do conspiracy ideas arise? Why create conspiracy narratives? What are the advantages of distrust? – What are facts? What is a theory and what is a hypothesis? – Is there a subjective re
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A computer predicts your thoughts, creating images based on them
submitted by /u/neuromancer420 [link] [comments]
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Dr. Neal Barnard Explains How To Protect Your Body & Mind
submitted by /u/Lewiswba96 [link] [comments]
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Working memory focused careers
Got a psychiatric evaluation done, my working (short term) memory is in the 99th percentile, while my long term memory is in 2nd percentile. What careers would be more dominant towards short term/fast processing memory? Obviously something like law school would be harder for me than something like marketing, what are some other jobs that complement a good working memory submitted by /u/yung-n123
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Fascinating short story where a robot scientist inspects their own brain.
submitted by /u/mad_neuroscientist [link] [comments]
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Mindfulness meditation increases visual short-term memory, study finds
submitted by /u/HeinieKaboobler [link] [comments]
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Girls benefit from doing sports
Extracurricular sport in middle childhood diminishes subsequent ADHD symptoms in girls, but not in boys, a new study suggests.
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Cannabis data lacking, but machine learning could help
Everyone's heard of THC and CBD. But many other active compounds in cannabis interact to influence its effects. A new study confirms that those compounds are seldom tested for, and strain name is not indicative of potency or chemical makeup. Machine learning techniques could help fill the knowledge gap.
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Inflammatory gene provides clue to obesity risk
A gene that helps to control inflammation increases the risk of obesity and could be turned off in mice to stop weight gain, a study has found.
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High-fiber diet, low level inflammation: Sidestepping the effects of radiation
Loved or hated, the humble oat could be the new superfood for cancer patients as international research shows a diet rich in fibre could significantly reduce radiation-induced gut inflammation.
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A cancer shredder
Researchers have developed a new compound for treating cancer. It destroys a protein that triggers its development.
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Prostate cancer: immunotherapy offers hope
An antibody for treating advanced prostate cancer improves progression-free survival in patients with metastasized, castration-resistant prostate cancer. This is the finding of the long-term analyses of an international phase 3 clinical trial. The study showed that overall survival was 2 – 3 times higher than in the placebo arm.
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Artificial lung supports pre-term babies in distress
Researchers have developed an artificial lung to support pre-term and other newborn babies in respiratory distress.
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Due to Extremely Rare Situation, Woman Suffers Brain Fluid Leak From COVID-19 Swab
Don't freak out, this can't happen to just anyone.
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The Atlantic Daily: The Firsts
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 . Aaron Turner In the years following Brown v. Board of Education, thousands of children desegregated America's schools. "The task that fell to them was a brutal one ," our senior editor Rebecca J.
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Coronavirus live news: Paris faces being placed on 'maximum alert' as India nears 100,000 deaths
Bars and restaurants in Paris face closure from Monday ; Turkey condemned for underreporting cases; Scottish National Party lawmaker suspended after travelling by train despite positive test. Follow the latest updates India's death toll nears 100,000 Madrid region performs U-turn and will obey lockdown rules Crisis could force extra 2.5m girls into child marriage – charity Turkey and Poland added
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Men predominate in 85%+ COVID-19 decision-making/advisory bodies globally
Men predominate in more than 85% of COVID-19 decision-making and key advisory bodies around the globe, with gender parity in just 3.5%, reveals an analysis of the available data, published in the online journal BMJ Global Health.
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COVID-19 pandemic has created flood of potentially substandard research
The COVID-19 pandemic has created a flood of potentially substandard research amid the rush to publish, with a string of papers retracted or under a cloud and a surge in submissions to pre-print servers where fewer quality checks are made, a leading ethicist has warned in the Journal of Medical Ethics.
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Publisher Correction: Architectured ZnO–Cu particles for facile manufacturing of integrated Li-ion electrodes
Scientific Reports, Published online: 02 October 2020; doi:10.1038/s41598-020-73842-2
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Author Correction: Iron acquisition system of Sphingobium sp. strain SYK-6, a degrader of lignin-derived aromatic compounds
Scientific Reports, Published online: 02 October 2020; doi:10.1038/s41598-020-73843-1
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Risk of heart disease in breast cancer patients can be predicted from routine scans
Automated analysis of breast cancer patients' routine scans can predict which women have a greater than one in four risk of going on to develop cardiovascular disease, according to research presented at the 12th European Breast Cancer Conference.
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Researchers reveal which benign breast disease is most likely to develop into cancer
Benign breast diseases, which are non-cancerous disorders of the breast, such as lumps, are known to increase the chances of subsequent breast cancer. Now a team of Spanish researchers have found that the way BBD is detected as part of a national screening programme is an indication of which are more likely to become cancerous. The research is presented at the 12th European Breast Cancer Conferenc
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Yuri Orlov, Bold Champion of Soviet Dissidents, Dies at 96
A prominent physicist, he founded the Moscow Helsinki Group to hold his government accountable after serving time in prison and in exile.
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Renée C. Fox, Founding Figure of Medical Sociology, Dies at 92
She is credited with helping to create the field of bioethics and applying the methods of sociology to medical care.
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Publisher Correction: A protein assembly mediates Xist localization and gene silencing
Nature, Published online: 02 October 2020; doi:10.1038/s41586-020-2790-y
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Publisher Correction: Heat and carbon coupling reveals ocean warming due to circulation changes
Nature, Published online: 02 October 2020; doi:10.1038/s41586-020-2765-z
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Keeping older folks out of COVID-19 vaccine trials hurts everyone
Vaccine trials for COVID-19 tend to exclude older adults outright or, because many folks in this age group have chronic health issues, they aren't able to enroll. (Pexels /) COVID-19 vaccine trials are excluding older adults, one of the disease's most vulnerable groups, according to a new paper out this week in JAMA Internal Medicine . The paper's authors reviewed the inclusion criteria for all C
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Study: 33% of people fantasize about being in a sexually open relationship
The study involved 822 Americans who were in monogamous relationships at the time. Participants answered questions about their personalities, sexual fantasies, and intentions to act on those fantasies. Research suggests practicing consent, comfort, and communication makes open relationships more likely to succeed. New research suggests one-third of Americans in monogamous relationships fantasize
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800 million children still exposed to lead
Every third child in the world has too much lead in their body, according to a new report from UNICEF and Pure Earth.
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Potty training: ISS crew to give Nasa's first new space toilet in decades a go
The new $23m loo better accommodates women with a tilted seat, new shape and redesigned funnels for urination Nasa's first new space potty in decades – a $23m titanium toilet better suited for women – is getting a not-so-dry run at the International Space Station before eventually flying to the moon. It's packed inside a cargo ship set to blast off late Thursday from Wallops Island, Virginia. Con
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How Rabbits Became Our Pets
Rabbits are often misunderstood. But scientists are unraveling new research about our how our bunny companions were domesticated.
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NASA's New Space Toilet Is Heading to the Space Station For, Uh, Tests
Delivering Cargo NASA is about to ship a major, long-overdue upgrade up to the International Space Station (ISS) to handle one of the less savory sides of space travel: a $23 million titanium space toilet. The toilet, the first one NASA's installed in 30 years , is apparently going to undergo a months-long, well, field test, according to the Associated Press . Aside from being an important renova
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Elon Musk: Fusion Will Probably Be More Expensive Than Wind, Solar
On Tuesday, a team of MIT researchers made a big splash when they announced that their "SPARC" compact fusion reactor is "very likely to work." The announcement, detailed in seven papers penned by dozens of scientists from a laundry list of research institutions, claimed that the researchers were on a straight path to achieving fusion power — generating power from fusing atomic nuclei together li
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Cancer cells use nerve-cell tricks to spread from one organ to the next
New research suggests that breast and lung tumors metastasize by hijacking a neural signaling pathway, potentially opening the door to better diagnostics and treatments.
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Wildcats threatened by their domestic cousins
European wildcats, thought to be extinct 50 years ago in the Jura mountains, have since recolonized part of their former territory. This resurgence in an area occupied by domestic cats has gone hand-in-hand with genetic crosses between the two species. A team of biologists modeled the interactions between the two species and predict that hybridization will entail the irreversible genetic replaceme
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Dinosaur feather study debunked
A new study provides substantial evidence that the first fossil feather ever to be discovered does belong to the iconic bird-like dinosaur, Archaeopteryx. This debunks a recent theory that the fossil feather originated from a different species.
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Can the common cold help protect you from COVID-19?
A new study provides evidence that the seasonal colds you've had in the past could protect you from COVID-19. The study also suggests that immunity to COVID-19 is likely to last a long time — maybe even a lifetime.
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Research may curb economic losses to power plants after earthquakes
Sitting atop power transformers are bushing systems that play a critical role in supplying communities with electricity. However, these objects are also susceptible to breaking during earthquakes. Once damaged, bushings can cause widespread outages and burden a state with expensive repairs.
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Invasion by non-native insects expected to increase 36 percent worldwide by 2050
An international team of scientists established that biological invasions will increase by 36 percent between 2005 and 2050. Modeling suggests that Europe is likely to experience the strongest biological invasions, followed by Asia, North America and South America.
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Why do people respond differently to the same drug?
Scientists at Scripps Research have comprehensively mapped how a key class of proteins within cells regulates signals coming in from cell surface receptors. The study reveals that people commonly have variants in these proteins that cause their cells to respond differently when the same cell receptor is stimulated–offering a plausible explanation for why people's responses to the same drugs can v
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Penn Medicine researchers discover a rare genetic form of dementia
A new, rare genetic form of dementia has been discovered by a team of Penn Medicine researchers. This discovery also sheds light on a new pathway that leads to protein build up in the brain — which causes this newly discovered disease, as well as related neurodegenerative diseases like Alzheimer's Disease — that could be targeted for new therapies. The study was published today in Science.
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Vacuums that are good enough to give as presents
Gifts that are good clean fun! (Daniil Silantev via Unsplash/) Vacuum tech has been around for well over a century, and in that time it's had plenty of chances to evolve and change with our lives. Thanks to technological improvements from simple HEPA filtration to advanced home automation, vacuum cleaners are keeping our homes, offices, and indoor spaces cleaner today than ever before. Whether so
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Are organ transplant recipients at greater risk of death from COVID-19?
A new study analyzes death risk from COVID-19 in organ transplant recipients and finds one treatment method greatly increased the risk.
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Bright light bars big-eyed birds from human-altered landscapes
New research shows the glaring light in human-altered landscapes, such as livestock pastures and crop fields, can act as a barrier to big-eyed birds, potentially contributing to their decline.
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Caltech researcher unveils sensor that rapidly detects COVID-19 infection
Wei Gao has redesigned technology he previously used to detect other health conditions so that it can be used to diagnose a COVID infection.
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Tool helps clear biases from computer vision
Researchers at Princeton University have developed a tool that flags potential biases in sets of images used to train artificial intelligence (AI) systems. The work is part of a larger effort to remedy and prevent the biases that have crept into AI systems that influence everything from credit services to courtroom sentencing programs.
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Nasa's Dragonfly mission to Saturn's Titan moon delayed
Covid pandemic sets back exploration that aims to shed light on origin of life on Earth Coronavirus – latest updates See all our coronavirus coverage Nasa has delayed the launch of its Dragonfly rotorcraft by 12 months. Citing budget pressures caused by the coronavirus pandemic, the agency's planetary science division will now target 2027 to launch the mission to Titan , Saturn's mysterious moon.
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Sensor with 100,000 times higher sensitivity could bolster thermal imaging
New research developed a new microwave radiation sensor with 100,000 times higher sensitivity than currently available commercial sensors. Researchers said better detection of microwave radiation will enable improved thermal imaging, electronic warfare, radio communications and radar.
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Element in blood is part of human — and hibernating squirrel — stress response, study reveals
A new study shows that part of the stress response in people and animals involves increasing the levels of naturally circulating iodide in blood. The discovery demonstrates a biological mechanism that rapidly responds to severe physiologic stress and potentially serves to protect us from further damage due to life-threatening conditions.
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Flexible and biodegradable electronic blood vessels
Researchers have developed electronic blood vessels that can be actively tuned to address subtle changes in the body after implantation. The blood vessels — made of a metal-polymer conductor membrane that's flexible and biodegradable — mimic natural blood vessels, were conductive in in vitro experiments, and were able to effectively replace key arteries in rabbits.
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Danish King got enshrined in his own clothes, appeared with his brothers' when examined
Scientific analysis solve puzzle about the age and destiny of precious silk textiles from AD 1100.
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Zika infections drastically underreported during 2015 epidemic
More than 100 million infections of Zika virus within Central and South America and the Caribbean went undetected between 2015 and 2018, according to a new study.
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Alien species to increase by 36% worldwide by 2050
The number of alien (non-native) species is expected to increase globally by 36% by the middle of this century, compared to 2005, finds new research.
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Marine heatwaves can strengthen hurricanes
Oceanographers have found that a hurricane can be considerably strengthened in the Gulf of Mexico through the compounding effects of two extreme weather events. This process could continue in the future as ocean temperatures continue to rise around the world.
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Pharma Companies Never Agreed What Makes a "Successful" COVID-19 Vaccine Trial
Each of the different pharmaceutical companies working toward a COVID-19 vaccine has a slightly different definition for success. The differences are small, Wired reports , and the FDA will also have controls in place to make sure it doesn't approve a vaccine that doesn't actually work. But the discrepancy risks introducing new confusion and doubts over what it actually means to have a successful
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MUSC researchers test brain stimulation in zero gravity
How does zero gravity affect astronauts' brains? MUSC scientists took to the skies as they try to figure that out.
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Researchers hear more crickets and katydids 'singing in the suburbs'
he songs that crickets and katydids sing at night to attract mates can help in monitoring and mapping their populations, according to Penn State researchers, whose study of Orthoptera species in central Pennsylvania also shed light on these insects' habitat preferences.
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Vaccine opposition online uniting around 'civil liberties' argument
Anti-vaccination discourse on Facebook increased in volume over the last decade, coalescing around the argument that refusing to vaccinate is a civil right, according to a study published today in the American Journal of Public Health.
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Influence of bots on spreading vaccine information not as big as you think
The role of bots in spreading vaccine-critical information on Twitter is limited and rarely cross paths with active Twitter users, finds study led by University of Sydney.
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New York could lose 159,000 restaurant jobs due to pandemic
State audit estimates that as many as half of city's restaurants may close permanently
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Flexible and biodegradable electronic blood vessels
Researchers have developed electronic blood vessels that can be actively tuned to address subtle changes in the body after implantation. The blood vessels — made of a metal-polymer conductor membrane that's flexible and biodegradable — mimic natural blood vessels, were conductive in in vitro experiments, and were able to effectively replace key arteries in rabbits.
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Carbon-carbon covalent bonds far more flexible than presumed
A research group has successfully demonstrated that carbon-carbon (C-C) covalent bonds expand and contract flexibly in response to light and heat. This unexpected flexibility of C-C bonds could confer new properties to organic compounds.
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Kids In New York City Go Back To School For In-Person Classes
After two delays and many contentious debates with teachers, parents and principals, students in the largest school district in the country are returning to in-person school. (Image credit: Mark Lennihan/AP)
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New imaging agent zeroes in on lung inflammation
A new experimental imaging agent shows promise in illuminating the location and intensity of inflammation in the lungs, a study with mice shows. Many of the most common diseases—cancer, diabetes, cardiovascular and lung disease, and even COVID-19—have been linked to chronic or excessive inflammation. Blood tests can indicate that some part of a person's body is inflamed, but doctors don't have a
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A Study In India Shows That Children Play Major Role In Coronavirus Transmission
A massive study of coronavirus cases in India found that a significant number of virus transmissions originate from and happen between children.
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Make the most of your dual or ultrawide monitor setup
When it comes to monitors, size certainly matters. (Luke Peters/Unsplash/) Setting up two monitors or a single ultrawide display gives you a huge amount of flexibility when it comes to how you do your computing. But if you're new to this setup , then it's likely you just stuck with the same grids and single-window layouts that you've always relied on. Don't. Both Windows and macOS come with tools
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People with Parkinson's disease have a higher risk of dying from COVID-19
A new database analysis of approximately 80,000 patients shows that people with Parkinson's disease (PD) have a 30 percent higher death rate from COVID-19 than people without the neurodegenerative condition.
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Expert opinion: COVID-19 vaccine rollout unlikely before fall 2021
Experts working in the field of vaccine development tend to believe that an effective vaccine is not likely to be available for the general public before the fall of 2021. A new paper details the results of a recent survey of 28 experts working in vaccinology.
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Carb-eating bacteria under viral threat
Strictly speaking, humans cannot digest complex carbohydrates — that's the job of bacteria in our large intestines. Scientists have just discovered a new group of viruses that attack these bacteria.
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Decent living for all does not have to cost the Earth
A new study reveals that decent living standards could be provided to the entire global population of 10 billion that is expected to be reached by 2050, for less than 40% of today's global energy. This is roughly 25% of that forecast by the International Energy Agency if current trends continue. This level of global energy consumption is roughly the same as that during the 1960s, when the populati
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Carbon-carbon covalent bonds far more flexible than presumed
A research group has successfully demonstrated that carbon-carbon (C-C) covalent bonds expand and contract flexibly in response to light and heat. This unexpected flexibility of C-C bonds could confer new properties to organic compounds.
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15-year trend persists in disparate insulin pump use in children
Insulin pumps are widely used in the management of type 1 diabetes (T1D) and reviews have shown insulin pump therapy to be associated with improved glycemic control, fewer severe hypoglycemia events, and improved quality of life. Yet, non-Hispanic white children (NHW) are more than twice as likely as non-Hispanic Black children (NHB) to use this technology.
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DARPA Is Considering a Nuclear Rocket for Moon Missions
Nuclear Thermal Propulsion The Defense Advanced Research Projects Agency (DARPA) just handed out a $14 million dollar contract to develop and test a nuclear thermal space propulsion system (NTP), Space.com reports . The concept is simple: an on-board reactor generates heat, which is then pushed through a nozzle to produce thrust. The contract, to a company called Gryphon Technologies, is meant to
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'Echo mapping' in faraway galaxies could measure vast cosmic distances
When you look up at the night sky, how do you know whether the specks of light that you see are bright and far away, or relatively faint and close by? One way to find out is to compare how much light the object actually emits with how bright it appears. The difference between its true luminosity and its apparent brightness reveals an object's distance from the observer.
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How California's Diablo Winds Could Worsen Wildfires
Strong, gusty winds could hamper firefighting efforts by fanning flames that have already destroyed tens of thousands of acres in the northern part of the state.
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AI is helping scientists discover fresh craters on Mars
Sometime between March 2010 and May 2012, a meteor streaked across the Martian sky and broke into pieces, slamming into the planet's surface. The resulting craters were relatively small—just 13 feet (4 meters) in diameter. The smaller the features, the more difficult they are to spot using Mars orbiters. But in this case—and for the first time—scientists spotted them with a little extra help: arti
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Ice discharge in the North Pacific set off series of climate events during last ice age
Repeated catastrophic ice discharges from western North America into the North Pacific contributed to, and perhaps triggered, hemispheric-scale changes in the Earth's climate during the last ice age, new research published online today in Science reveals.
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Ice discharge in the North Pacific set off series of climate events during last ice age
Repeated catastrophic ice discharges from western North America into the North Pacific contributed to, and perhaps triggered, hemispheric-scale changes in the Earth's climate during the last ice age.
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Mud-slurping chinless ancestors had all the moves
Researchers have revealed our most ancient ancestors were ecologically diverse, despite lacking jaws and paired fins.
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Einstein's description of gravity just got much harder to beat
Astrophysicists put general relativity to a new test with black hole images.
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Facebook Shut Down Malware That Hijacked Accounts to Run Ads
Hackers spent $4 million of victims' money to buy ads for diet pills, fake designer handbags, and more.
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Venom glands similar to those of snakes are found for first time in amphibians
A group led by researchers at Butantan Institute in Brazil and supported by FAPESP has described for the first time the presence of venom glands in the mouth of an amphibian. The legless animal is a caecilian and lives underground. It has tooth-related glands that, when compressed during biting, release a secretion into its prey—earthworms, insect larvae, small amphibians and snakes, and even rode
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New research explores how multinational firms can manage corruption
For many developing countries, it is difficult to break the cycle of corruption on their own. Historically, multinational firms have assumed that they have two options available when dealing with corruption in developing countries: "play the game," meaning pay bribes or engage in corrupt activities, or "leave the table" by avoiding investing in countries where corruption is widespread. New researc
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Recipe is different but Saturn's moon Titan has ingredients for life
Catherine Neish is counting the days until her space launch. While the Western planetary geologist isn't space-suiting up for her own interstellar voyage, she is playing a key role in an international mission—dispatching a robotic drone to Saturn's moon Titan—set to blast-off in 2027.
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Cheese Preservative Slows Oral Cancer Spread in Mice: Study
The results add to mounting evidence of microbes' roles in tumor growth and point to the possibility of impeding malignancies by inhibiting bacteria.
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Venom glands similar to those of snakes are found for first time in amphibians
A group led by researchers at Butantan Institute in Brazil and supported by FAPESP has described for the first time the presence of venom glands in the mouth of an amphibian. The legless animal is a caecilian and lives underground. It has tooth-related glands that, when compressed during biting, release a secretion into its prey—earthworms, insect larvae, small amphibians and snakes, and even rode
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Firefighters brace for violent winds in Northern California
Firefighters were warily watching for "violent" winds expected in California's wine country Thursday that could fan the flames of a massive blaze that has destroyed more than 140 homes and is threatening thousands more in a small town known for hot springs, mud baths and wineries.
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Potty training: NASA tests new $23M titanium space toilet
NASA's first new space potty in decades—a $23 million titanium toilet better suited for women—is getting a not-so-dry run at the International Space Station before eventually flying to the moon.
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What a Joe Biden presidency would mean for five key science issues
Nature, Published online: 01 October 2020; doi:10.1038/d41586-020-02786-4 The coronavirus pandemic, climate change and space exploration are among the issues that Biden will influence if he wins the upcoming US election.
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Teen popularity linked to increased depression in adolescence, decreased depression in adulthood
A 2020 Michigan State University study examined the link between teen social networks and the levels of depression later in life. This study used data from the National Longitudinal Study of Adolescent to Adult Health, specifically targeting social network data. The results showed depressive symptoms being highest in adolescence and declining in early adulthood, then climbing back up again into o
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Black lives also matter in cancer care
It is not biology, but access to health care that is causing Black Non-Hispanic patients with squamous cell cancer of the head and neck to have lower survival rates.
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Pain relief caused by SARS-CoV-2 infection may help explain COVID-19 spread
New research shows SARS-CoV-2 promotes pain relief when it infects cells through a common protein receptor, neuropilin-1. The finding gives scientists a novel target for non-opioid pain therapeutics, while also offering an explanation for the unrelenting spread of COVID-19.
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New Website Lets You Help NASA Find Alien Worlds
Call for Help NASA just launched a new citizen science project — it wants the public's help to find and identify brand new exoplanets. The newly-formed Planet Patrol asks volunteers to look over images taken by the Transiting Exoplanet Survey Satellite (TESS), Space.com reports , in which NASA suspects but isn't sure whether there's a new exoplanet hidden away. That way, NASA scientists can focus
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Can We Still Go to Mars?
Elsewhere in the solar system, a NASA rover is on its way to Mars. It carries, among other things, several pieces of spacesuit material. Designers want to see how the samples fare in the planet's dusty, radiation-laden environment—the sturdy fabrics of the suit's exterior, the cut-resistant fibers of its gloves, the shatterproof plastic of the bubble helmet that might someday reflect the soft lig
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An Ancient Town Submerged: Hasankeyf Underwater
Last year, I featured photos of the efforts made to move parts of the ancient Turkish town of Hasankeyf to a new location, as a massive dam project was about to cause the Tigris River to rise and flood the area. A year later, the reservoir behind Ilisu Dam has largely filled up, inundating the historic town and surrounding archaeological sites, despite years of protests by residents and activists
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In quantum entanglement first, scientists link distant large objects
Researchers accomplished quantum entanglement between a mechanical oscillator and a cloud of atoms. The feat promises application in quantum communication and quantum sensors. Quantum entanglement involves linking two objects, making them behave as one at a distance. Scientists entangled two large quantum objects, both at different locations from each other, in a quantum mechanics first. The feat
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Would menthol cigarettes be banned if the typical consumer was young, white and upper-middle class?
Menthol could be exacerbating deep social inequities according to a paper just published. Researchers at Columbia University Mailman School of Public Health and colleagues at CUNY and Rutgers School of Public Health suggest that a ban on menthol cigarettes could have monumental implications for both the short- and long-term physical and mental health of communities of color.
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Venom glands similar to those of snakes are found for first time in amphibians
Brazilian researchers discover that caecilians, limbless amphibians resembling worms or snakes that emerged some 150 million years before the latter, can probably inject venom into their prey while biting.
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Electric toothbrushes that make great gifts
All smiles. (Allef Vinicius via Unsplash/) An electric toothbrush—at once practical and extravagant—makes a surprisingly good gift. Everyone needs to brush their teeth, so you might as well be the person to make that activity fun while undoubtedly improving oral hygiene. While classic toothbrushes work great, an electric toothbrush will often come with features to correct bad habits, like automat
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Mothers' Careers Are at Extraordinary Risk Right Now
(moises Saman / Magnum) Being a mother has long been a liability at work. But with work, school, and child care now happening under one roof for so many families, working mothers are at unprecedented risk of experiencing a pandemic-size motherhood penalty. The struggle faced by working mothers is a key focus of the new 2020 Women in the Workplace Report by LeanIn.org and McKinsey & Company, which
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Why Male Baboons Benefit From Female Friends
These male monkeys lived longer if they socialized with females, with or without benefits.
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New research explores how multinational firms can manage corruption
New research from Charles E. Stevens, associate professor of management in Lehigh's College of Business, shows multinational firms taking a new approach when dealing with corruption. Instead of engaging in corrupt activities or avoiding investments in countries where corruption is widespread, firms are managing corruption by promoting positive engagement with the host country.
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Decreasing treatment delays for head and neck cancer patients in South Carolina
Investigators from MUSC Hollings Cancer Center classify barriers to a recommended therapy for head and neck cancer that may mean the difference between life and death for these patients.
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Conservation planning in Amazon should prioritize aquatic biodiversity, study concludes
Simulations using field data suggest focusing on the protection of species that live in rivers and lakes can be more efficient than the approach most used now, which focuses on terrestrial biodiversity.
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Chemical innovation stabilizes best-performing perovskite formulation
Publishing in Science, researchers at EPFL have successfully overcome a limiting problem with stabilizing the best-performing formulation of metal-halide perovskite films, a key player in a range of applications, including solar cells.
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Amazon study shows big conservation gains possible for imperilled freshwater ecosystems
A new study by an international team of environmental scientists in the Brazilian Amazon shows that redesigned conservation projects could deliver big gains for critical freshwater ecosystems – raising hopes for the futures of thousands of species.
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Stem cells can help repair spinal cord after injury
Spinal cord injury often leads to permanent functional impairment. In a new study published in the journal Science researchers at Karolinska Institutet in Sweden show that it is possible to stimulate stem cells in the mouse spinal cord to form large amounts of new oligodendrocytes, cells that are essential to the ability of neurons to transmit signals, and thus to help repair the spinal cord after
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Sticking together
In unraveling how a single cell develops into a complex organism, one vexing question has remained for developmental biology: How do robust patterns form in the body? An answer has now been found for the zebrafish neural tube. In this paradigm of patterned tissues, the varying stickiness of cells combined with gradients of signaling molecules is responsible for generating a robust pattern. This is
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