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Stem water cryogenic extraction biases estimation in deuterium isotope composition of plant source water [Earth, Atmospheric, and Planetary Sciences]
3dThe hydrogen isotope ratio of water cryogenically extracted from plant stem samples (δ2Hstem_CVD) is routinely used to aid isotope applications that span hydrological, ecological, and paleoclimatological research. However, an increasing number of studies have shown that a key assumption of these applications—that δ2Hstem_CVD is equal to the δ2H of plant…
Efficient photoactivatable Dre recombinase for cell type-specific spatiotemporal control of genome engineering in the mouse [Genetics]
3dPrecise genetic engineering in specific cell types within an intact organism is intriguing yet challenging, especially in a spatiotemporal manner without the interference caused by chemical inducers. Here we engineered a photoactivatable Dre recombinase based on the identification of an optimal split site and demonstrated that it efficiently regulated transgene…
Shear stress activates mitochondrial oxidative phosphorylation by reducing plasma membrane cholesterol in vascular endothelial cells [Physiology]
3dVascular endothelial cells (ECs) sense and respond to hemodynamic shear stress, which is critical for circulatory homeostasis and the pathophysiology of vascular diseases. The mechanisms of shear stress mechanotransduction, however, remain elusive. We previously demonstrated a direct role of mitochondria in the purinergic signaling of shear stress: shear stress increases…
Vitamin B12-dependent biosynthesis ties amplified 2-methylhopanoid production during oceanic anoxic events to nitrification [Microbiology]
3dBacterial hopanoid lipids are ubiquitous in the geologic record and serve as biomarkers for reconstructing Earth's climatic and biogeochemical evolution. Specifically, the abundance of 2-methylhopanoids deposited during Mesozoic ocean anoxic events (OAEs) and other intervals has been interpreted to reflect proliferation of nitrogen-fixing marine cyanobacteria. However, there currently is no…
Predicting long-term dynamics of soil salinity and sodicity on a global scale [Earth, Atmospheric, and Planetary Sciences]
3dKnowledge of spatiotemporal distribution and likelihood of (re)occurrence of salt-affected soils is crucial to our understanding of land degradation and for planning effective remediation strategies in face of future climatic uncertainties. However, conventional methods used for tracking the variability of soil salinity/sodicity are extensively localized, making predictions on a global…
Archaeological Central American maize genomes suggest ancient gene flow from South America [Genetics]
3dMaize (Zea mays ssp. mays) domestication began in southwestern Mexico ∼9,000 calendar years before present (cal. BP) and humans dispersed this important grain to South America by at least 7,000 cal. BP as a partial domesticate. South America served as a secondary improvement center where the domestication syndrome became fixed…
Identification of Z nucleotides as an ancient signal for two-component system activation in bacteria [Microbiology]
3dTwo-component systems (TCSs) in bacteria are molecular circuits that allow the perception of and response to diverse stimuli. These signaling circuits rely on phosphoryl-group transfers between transmitter and receiver domains of sensor kinase and response regulator proteins, and regulate several cellular processes in response to internal or external cues. Phosphorylation,…
Heterozygous germline BLM mutations increase susceptibility to asbestos and mesothelioma [Medical Sciences]
3dRare biallelic BLM gene mutations cause Bloom syndrome. Whether BLM heterozygous germline mutations (BLM+/−) cause human cancer remains unclear. We sequenced the germline DNA of 155 mesothelioma patients (33 familial and 122 sporadic). We found 2 deleterious germline BLM+/− mutations within 2 of 33 families with multiple cases of mesothelioma,…
Identification of novel targets of azithromycin activity against Pseudomonas aeruginosa grown in physiologically relevant media [Microbiology]
3dPseudomonas aeruginosa causes severe multidrug-resistant infections that often lead to bacteremia and sepsis. Physiologically relevant conditions can increase the susceptibility of pathogens to antibiotics, such as azithromycin (AZM). When compared to minimal-inhibitory concentrations (MICs) in laboratory media, AZM had a 16-fold lower MIC in tissue culture medium with 5% Mueller…
Crop wild relatives of the United States require urgent conservation action [Sustainability Science]
3dThe contributions of crop wild relatives (CWR) to food security depend on their conservation and accessibility for use. The United States contains a diverse native flora of CWR, including those of important cereal, fruit, nut, oil, pulse, root and tuber, and vegetable crops, which may be threatened in their natural…
A hydromorphic reevaluation of the forgotten river civilizations of Central Asia [Environmental Sciences]
3dThe Aral Sea basin in Central Asia and its major rivers, the Amu Darya and Syr Darya, were the center of advanced river civilizations, and a principal hub of the Silk Roads over a period of more than 2,000 y. The region's decline has been traditionally attributed to the devastating…
Inhibition of GCK-IV kinases dissociates cell death and axon regeneration in CNS neurons [Neuroscience]
3dAxon injury is a hallmark of many neurodegenerative diseases, often resulting in neuronal cell death and functional impairment. Dual leucine zipper kinase (DLK) has emerged as a key mediator of this process. However, while DLK inhibition is robustly protective in a wide range of neurodegenerative disease models, it also inhibits…
Bistability in the redox chemistry of sediments and oceans [Earth, Atmospheric, and Planetary Sciences]
3dFor most of Earth's history, the ocean's interior was pervasively anoxic and showed occasional shifts in ocean redox chemistry between iron-buffered and sulfide-buffered states. These redox transitions are most often explained by large changes in external inputs, such as a strongly altered delivery of iron and sulfate to the ocean,…
An in vivo atlas of host-pathogen transcriptomes during Streptococcus pneumoniae colonization and disease [Microbiology]
3dStreptococcus pneumoniae (Spn) colonizes the nasopharynx and can cause pneumonia. From the lungs it spreads to the bloodstream and causes organ damage. We characterized the in vivo Spn and mouse transcriptomes within the nasopharynx, lungs, blood, heart, and kidneys using three Spn strains. We identified Spn genes highly expressed at…
Machine-learning-driven biomarker discovery for the discrimination between allergic and irritant contact dermatitis [Medical Sciences]
3dContact dermatitis tremendously impacts the quality of life of suffering patients. Currently, diagnostic regimes rely on allergy testing, exposure specification, and follow-up visits; however, distinguishing the clinical phenotype of irritant and allergic contact dermatitis remains challenging. Employing integrative transcriptomic analysis and machine-learning approaches, we aimed to decipher dise
Poststroke acute dysexecutive syndrome, a disorder resulting from minor stroke due to disruption of network dynamics [Neuroscience]
3dStroke patients with small central nervous system infarcts often demonstrate an acute dysexecutive syndrome characterized by difficulty with attention, concentration, and processing speed, independent of lesion size or location. We use magnetoencephalography (MEG) to show that disruption of network dynamics may be responsible. Nine patients with recent minor strokes and…
Correction for Li et al., In situ detection of live-to-dead bacteria ratio after inactivation by means of synchronous fluorescence and PCA [Corrections]
3dCHEMISTRY Correction for "In situ detection of live-to-dead bacteria ratio after inactivation by means of synchronous fluorescence and PCA," by Runze Li, Umang Goswami, Maria King, Jie Chen, Thomas C. Cesario, and Peter M. Rentzepis, which was first published January 8, 2018; 10.1073/pnas.1716514115 (Proc. Natl. Acad. Sci. U.S.A. 115, 668–673)….
Actin-ring segment switching drives nonadhesive gap closure [Biophysics and Computational Biology]
3dGap closure to eliminate physical discontinuities and restore tissue integrity is a fundamental process in normal development and repair of damaged tissues and organs. Here, we demonstrate a nonadhesive gap closure model in which collective cell migration, large-scale actin-network fusion, and purse-string contraction orchestrate to restore the gap. Proliferative pressure…
Nonadiabatic coupling of the dynamical structure to the superconductivity in YSr2Cu2.75Mo0.25O7.54 and Sr2CuO3.3 [Physics]
3dA crucial issue in cuprates is the extent and mechanism of the coupling of the lattice to the electrons and the superconductivity. Here we report Cu K edge extended X-ray absorption fine structure measurements elucidating the internal quantum tunneling polaron (iqtp) component of the dynamical structure in two heavily overdoped…
Low potential for evolutionary rescue from climate change in a tropical fish [Evolution]
3dClimate change is increasing global temperatures and intensifying the frequency and severity of extreme heat waves. How organisms will cope with these changes depends on their inherent thermal tolerance, acclimation capacity, and ability for evolutionary adaptation. Yet, the potential for adaptation of upper thermal tolerance in vertebrates is largely unknown….
Correction for Chandler et al., Early evolutionary loss of the lipid A modifying enzyme PagP resulting in innate immune evasion in Yersinia pestis [Corrections]
3dMICROBIOLOGY Correction for "Early evolutionary loss of the lipid A modifying enzyme PagP resulting in innate immune evasion in Yersinia pestis," by Courtney E. Chandler, Erin M. Harberts, Mark R. Pelletier, Iyarit Thaipisuttikul, Jace W. Jones, Adeline M. Hajjar, Jason W. Sahl, David R. Goodlett, Aaron C. Pride, David A….
Quinine copolymer reporters promote efficient intracellular DNA delivery and illuminate a protein-induced unpackaging mechanism [Chemistry]
3dPolymeric vehicles that efficiently package and controllably release nucleic acids enable the development of safer and more efficacious strategies in genetic and polynucleotide therapies. Developing delivery platforms that endogenously monitor the molecular interactions, which facilitate binding and release of nucleic acids in cells, would aid in the rational design of…
Animals are back at Gorongosa National Park after civil war, but the savanna community doesn't look quite look like how it used to
3dWhen civil war broke out in Mozambique more than 40 years ago, it largely spelled doom for animals in Gorongosa National Park, a 1,500-square-mile reserve on the floor of the southern end of the Great African Rift Valley, in the heart of the country. As the decades-long fighting spilled over into the reserve, many of the creatures became casualties of the conflict.
What happens when rain falls on desert soils? An updated model provides answers
3dScientists have made important improvements to our understanding of how water moves through and gets stored in dry desert soils by refining an existing computer model.
Irrelevant information interferes with making decisions
3dAccording to new research from behavioral economists, irrelevant information or unavailable options often cause people to make bad choices. When both elements are present, the probability of a poor decision is even greater. Through an experiment involving 222 individual tests each consisting of more than 40 questions, research revealed that decisions made in an environment of irrelevant informatio
Benefits of renewable energy vary from place to place
3dA new study finds the environmental benefits of renewable power generation vary significantly, depending on the nature of the conventional power generation that the renewable energy is offsetting. The researchers hope the work will help target future renewable energy investments in places where they can do the most good.
West Nile virus infection risk is higher in less affluent neighborhoods in Baltimore, MD
3dIn Baltimore, Maryland, people living in low-income urban neighborhoods are more at risk of contracting West Nile virus, a mosquito-borne disease, than people living in more affluent neighborhoods. So reports a new study published in the Journal of Medical Entomology.
Study reveals networks of genes involved in congenital heart disease
3dA group researchers at Gladstone Institutes and UC San Francisco led by Benoit Bruneau have made inroads into understanding what genes are improperly deployed in some cases of congenital heart disease. Their study, published in Developmental Cell, could point toward new ways to prevent or treat one of the most common birth defects.
GSA publishes three new research articles on COVID-19 and aging
3dThe Gerontological Society of America's highly cited, peer-reviewed journals are continuing to publish scientific articles on COVID-19. The following were published between November 16 and December 2, 2020; all are free to access.
Critical temperature for tropical tree lifespan revealed
3dFor the first time scientists have provided clear evidence that tropical tree lifespan decreases above a critical temperature threshold.
The uncharted molecular language of the brain
3dA novel method that looks at the molecular composition of brain synapses has revealed three times more proteins than previously thought, finds research published in PNAS.
Global warming is faster than evolution
3dIf global warming happens too quickly, not all species will be able to adapt in time.
Ancient DNA continues to rewrite corn's 9,000-year society-shaping history
3dIn the Dec. 14 issue of the journal the Proceedings of the National Academy of Sciences, international team of scientists report the fully sequenced genomes of three roughly 2,000-year-old cobs from the El Gigante rock shelter in Honduras. Analysis of the three genomes reveals that these millennia-old varieties of Central American corn had South American ancestry and adds a new chapter in an emerg
How computer simulation will accelerate development of human-interactive "smart robots"
3dLehigh University's Jeff Trinkle, along with colleagues at other institutions, has co-authored a "Perspective" paper called "On the use of simulation in robotics: Opportunities, challenges, and suggestions for moving forward" that appears in the latest issue of PNAS arguing that "…well-validated computer simulation can provide a virtual proving ground that in many cases is instrumental in unders
Data-driven discovery of biomarkers pave way for improved diagnosis of contact allergy
3dWith the help of algorithms, researchers at Karolinska Institutet in Sweden have identified markers that can differentiate between irritant eczema and contact allergy, two skin reactions that look similar but require different treatment. Their findings, which are published in the journal Proceedings of the National Academy of Sciences (PNAS) , support the further development of an alternative to t
Mapping corals from the sky guides reef conservation
3dUsing a new airborne mapping approach developed by researchers at Arizona State University's Center for Global Discovery and Conservation Science (GDCS), the geographic distribution of live corals was, for the first time, quantified to 16 meters (51 feet) of water depth across the main Hawaiian islands.
America's crop cousins are numerous, imperiled, and more needed than ever
3dA new study in Proceedings of the National Academy of Sciences for the first time outlines how poorly protected these plants are: More than half of the 600 plants assessed in the study may be endangered in their natural habitats, while only 7% are well represented in conservation repositories such as public gene banks and botanical gardens.
A Powerful AI Generated Some Predictions for the Future and They're Quite Outrageous
3dNewsfeed Algorithm A powerful AI algorithm has some, well, unusual predictions for what lies in store down the road. It's a been a weird year, what with monoliths , terrifying animals , and of course a global pandemic dominating the news cycle. Inspired by all that chaos, research scientist and author Janelle Shane asked GPT-3 , a powerful text-generating algorithm, to guess the future. With kill
How a new Covid strain may have spread virus in south of England
3dWhile variant seems to spread more quickly, it does not appear to be more dangerous Coronavirus – latest updates See all our coronavirus coverage One factor could be a new strain of coronavirus that has shown up in England's genomic surveillance in the past two months. The strain contains a number of different mutations and has been detected in parts of the south where cases of the virus are risi
John le Carré Knew England's Secrets
3dWriting about John le Carré is intimidating. Writing an appreciation after he has died feels doubly so. In some ways, this fear says much about the England that le Carré was so masterful at capturing: the class consciousness and fear of straying beyond your place. Le Carré inhabited an England beyond my horizons, not just the cloak-and-dagger one, but the one that exists at Eton and at Oxford and
Gifts to help your friends keep their new plants alive
3dNothing cuter than leafy babies. (Markus Spiske / Unplash/) It started with a harmless cactus. It continued with a succulent or two. Before you knew it, your friends' walls were covered in vines, and they were asking you where might be the best spot for a monstera. If your friends have recently opted to find some emotional connection through the adoption of leafy green kids, chances are they're s
The Mind and Body Benefits of Yoga That Are Backed by Science
3dMore than 50 million Americans practice some form of yoga. But can it actually improve your health?
Critical temperature for tropical tree lifespan revealed
3dFor the first time scientists have provided clear evidence that tropical tree lifespan decreases above a critical temperature threshold.
Ancient DNA continues to rewrite corn's 9,000-year society-shaping history
3dSome 9,000 years ago, corn as it is known today did not exist. Ancient peoples in southwestern Mexico encountered a wild grass called teosinte that offered ears smaller than a pinky finger with just a handful of stony kernels. But by stroke of genius or necessity, these Indigenous cultivators saw potential in the grain, adding it to their diets and putting it on a path to become a domesticated cro
Mapping corals from the sky guides reef conservation
3dCoral reefs are one of the most biodiverse ecosystems on the planet supporting an estimated 25 percent of all marine species. These biologically rich ecosystems are threatened by multiple stressors, from warming ocean temperatures brought on by climate change to increases in water pollution from coastal development. According to current estimates, 75 percent of the world's coral reefs could face c
America's crop cousins are numerous, imperiled, and more needed than ever
3dWild cranberries have a sanctuary in West Virginia and wild peppers have a protected area on Arizona's border with Mexico. But many hundreds of other crop wild relatives native to the United States—including those related to apples, hops, grapes, pumpkins and sunflowers, to mention but a few—do not have designated conservation areas or, even when warranted, protected status.
Global warming is faster than evolution
3dThe world is getting warmer, and life has to adapt to new conditions. But if the warming continues, many species may have trouble keeping up.
Study shows endothelial cell targeting could help fight Covid-19 symptoms
3dFor Covid-19 patients with serious lung disease, targeting endothelial cells -cells that comprise the blood vessel wall which regulate oxygen exchange between airways and the bloodstream- may be a novel approach restoring normal lung function.
What happens when rain falls on desert soils? An updated model provides answers
3dSeveral years ago, while studying the environmental impacts of large-scale solar farms in the Nevada desert, Desert Research Institute (DRI) scientists Yuan Luo, Ph.D. and Markus Berli, Ph.D. became interested in one particular question: how does the presence of thousands of solar panels impact desert hydrology?
Ancient DNA continues to rewrite corn's 9,000-year society-shaping history
3dSome 9,000 years ago, corn as it is known today did not exist. Ancient peoples in southwestern Mexico encountered a wild grass called teosinte that offered ears smaller than a pinky finger with just a handful of stony kernels. But by stroke of genius or necessity, these Indigenous cultivators saw potential in the grain, adding it to their diets and putting it on a path to become a domesticated cro
America's crop cousins are numerous, imperiled, and more needed than ever
3dWild cranberries have a sanctuary in West Virginia and wild peppers have a protected area on Arizona's border with Mexico. But many hundreds of other crop wild relatives native to the United States—including those related to apples, hops, grapes, pumpkins and sunflowers, to mention but a few—do not have designated conservation areas or, even when warranted, protected status.
Global warming is faster than evolution
3dThe world is getting warmer, and life has to adapt to new conditions. But if the warming continues, many species may have trouble keeping up.
Why do some birds lose flight more readily than others?
3dBack in 2012, Ryan Terrill was hiking down a dry canyon in central Bolivia, looking for Giant Antshrikes—the largest species of antbird—but he found himself, instead, thinking about another bird: the Titicaca Grebe.
High-brightness source of coherent light spanning from the UV to THz
3dAnalytical optical methods are vital to our modern society as they permit the fast and secure identification of substances within solids, liquids or gases. These methods rely on light interacting with each of these substances differently at different parts of the optical spectrum. For instance, the ultraviolet range of the spectrum can directly access electronic transitions inside a substance whil
Why do some birds lose flight more readily than others?
3dBack in 2012, Ryan Terrill was hiking down a dry canyon in central Bolivia, looking for Giant Antshrikes—the largest species of antbird—but he found himself, instead, thinking about another bird: the Titicaca Grebe.
Acoustic plasmons found in hole-doped cuprate superconductors
3dThe presence of acoustic plasmons in p-type (hole-doped) cuprate superconductors has now been confirmed by Dr. Ke-Jin Zhou and his team using high-resolution RIXS (Resonant Inelastic X-ray Scattering), at Diamond Light Source's I21 beamline. This discovery described in their recently published paper in Physical Review Letters opens up new opportunities to study and understand these collective char
Stikpille til Facebook? Fremover skal du aktivt give dine iPhone-apps lov til at overvåge dig
3dApple stikker kniven ind der, hvor flere af de øvrige tech-giganter tjener mange af deres penge
Irrelevant information interferes with making decisions, new research reveals
3dAccording to new research from behavioral economist Ian Chadd, an assistant professor at Rensselaer Polytechnic Institute, irrelevant information or unavailable options often cause people to make bad choices. When both elements are present, the probability of a poor decision is even greater. Through an experiment involving 222 individual tests each consisting of more than 40 questions, Chadd's res
I'm Really Sorry, but Let's Talk About That Chicken Movie
3dLate last month, the crew of a helicopter surveying a desolate stretch of the Utah desert came across an unexpected finding: a metal structure, tall and thin, gleaming among the matte-red rocks. Soon after, the object vanished . But people began finding similar ones, in California and Romania and the Netherlands —elongated prisms studding the earth, their provenance, for the most part , unknown.
Elon Musk Has Some Strong Opinions About Cyberpunk 2077
3dEven The New York Times is now reporting that long-awaited videogame Cyberpunk 2077 is plagued by bugs and crashes. In fact, the game's developers officially apologized today and have offered to refund frustrated gamers. Things got even stranger when Tesla CEO and cyberpunk genre enthusiast Elon Musk offered up his own two cents on the matter. It's not uncharacteristic of the billionaire to wade
Mystery solved with math: Cytoplasmic traffic jam disrupts sleep-wake cycles
3dMathematicians have identified the principle of how aging and diseases like dementia and obesity cause sleep disorders. A combination of mathematical modelling and experiments demonstrated that the cytoplasmic congestion caused by aging, dementia, and/or obesity disrupts the circadian rhythms in the human body and leads to irregular sleep-wake cycles. This finding suggests new treatment strategies
Wastewater testing tracks COVID infection trends
3dA new wastewater testing approach not only detects SARS-CoV-2 in wastewater samples, but also tracks whether COVID-19 infection rates are trending up or down in a community. It could be a crucial step toward an informed public health response to diseases like COVID-19. Testing wastewater —a robust source of COVID-19 as those infected shed the virus in their stool—could be used for more responsive
What happens when rain falls on desert soils? An updated model provides answers
3dIn a new study in Vadose Zone Journal, Desert Research Institute scientists Yuan Luo, Ph.D., Markus Berli, Ph.D., and colleagues Teamrat Ghezzehei, Ph.D. of the University of California, Merced, and Zhongbo Yu, Ph.D. of the University of Hohai, China, make important improvements to our understanding of how water moves through and gets stored in dry desert soils by refining an existing computer mod
Dallas Heart Study yields new insights about depression
3dRecently published UT Southwestern research reveals new insights about risk factors for depression based on data from a landmark longitudinal study focused on heart disease.
Wildfires Blast Smoke Corkscrews to the Top of the Atmosphere
3dRecord-breaking blazes in Australia spewed as many particles into the sky as a volcanic eruption — Read more on ScientificAmerican.com
Weird exoplanet looks like a cousin of 'Planet Nine'
3dThough astronomers are still searching for a hypothetical "Planet Nine" in the distant reaches of our solar system, an exoplanet 336 light years from Earth is looking more and more like the Planet Nine of its star system. Planet Nine, potentially 10 times the size of Earth and orbiting far beyond Neptune in a highly eccentric orbit about the sun, was proposed in 2012 to explain perturbations in t
England's new Covid variant: should we be worried?
3dDr Zania Stamataki sets out the key factors … and says there is no need to panic Coronavirus – latest updates See all our coronavirus coverage Public Health England has studied the genetic sequence of the virus and notified the WHO, which is looking into the spread pathway of the new strain in more detail. How dangerous is this new variant and what does this mean for the new vaccines that are rol
UK warns of threat from new Covid-19 variant
3dMutation may be responsible for rise in infections but no evidence of more severe symptoms
Back Up Everything With 96% Off 15TB Of Online Storage From Degoo
3dWith billions of people on the internet, we can only offer estimates of how much data we generate, but it's clear that it's vast: 2.5 million TB, by some estimations . And how much of it is lost when we upgrade our devices is an open question as well, but we upgrade relentlessly; smartphones alone move 1.56 billion units every year , with untold photos, texts, emails, and more slipping away with
Become A Pivot Table Hero With This Excel & Data Certification Bundle
3dWhile there's generally something to be said for crafting things by hand, spreadsheets and data analysis don't exactly fall into that category. Fortunately, Excel is commonplace in computers across the world; so much so, that scientists have renamed certain genes so they can keep using it to crunch data. Mastering Excel can open new doors in your career, whether you want to perform better at the
One's trash, another's treasure: Fertilizer made from urine could enable space agriculture
3dFrom the perspective of future societies, in extremely closed environments such as a space station, self-sufficiency in food cultivation and waste management is critical. However, the technology to achieve this is still lacking. In a new study, scientists shed light on a cheap and efficient method to make liquid fertilizer (ammonia) from simplified artificial urine, serving an ideal dual purpose o
The power of validation in helping people stay positive
3dTelling a distressed friend or family member something as simple as 'I understand why you feel that way' can go a long way toward helping loved ones feel better, new research suggests.
Chance played a major role in keeping Earth fit for life
3dA study gives a new perspective on why our planet has managed to stay habitable for billions of years – concluding it is almost certainly due, at least in part, to luck. The research suggests this may shorten the odds of finding life on so-called 'twin-Earths' in the Universe.
Create a realistic VR experience using a normal 360-degree camera
3dScientists have developed a quick and easy approach for capturing 360° VR photography without using expensive specialist cameras. The system uses a commercially available 360° camera on a rotating selfie stick to capture video footage and create an immersive VR experience.
Photosensitive carbon nanoparticles investigated
3dResearchers have now managed to identify the fundamental problems relating to the photophysics and photochemistry of carbon nanocolloids (CNC), and ascertain possible approaches for research into these readily available, non-toxic and adaptable nanomaterials.
How to protect neurons and encourage their growth: New clue
3dResearchers have identified a family of enzymes whose inhibition both protects neurons and encourages their growth, a pathway to potential new treatments for neurodegenerative diseases from Alzheimer's to glaucoma.
Smartphone device checks spit for COVID-19
3dA smartphone-based device can read a new COVID-19 saliva test to get results in 15 minutes, researchers report. The test address the need to expand testing capacity in community-based settings The new test uses the same CRISPR-based approach that the researchers have submitted to the Food and Drug Administration for Emergency Use Authorization. Rapid PCR tests typically use nasal swab samples and
An alternate savanna
3dWhen civil war broke out in Mozambique more than 40 years ago, it largely spelled doom for animals in Gorongosa National Park, a 1,500-square-mile reserve on the floor of the southern end of the Great African Rift Valley, in the heart of the country. As the decades-long fighting spilled over into the reserve, many of the creatures became casualties of the conflict.
The un-appeal of banana: liquid e-cigarette flavorings measurably injure lungs
3dUC San Diego researchers report chemicals used for flavor in e-cigarette liquid negatively affect specialized proteins that support immune system.
A Letter to My Pandemic Baby
3dOn this week's Get WIRED podcast, an editor captures the bizarre world of 2020 for his unborn daughter.
Solar eclipse plunges southern Chile, Argentina into darkness
3dThousands of people turned their heads to the sky to watch a solar eclipse that lasted around two minutes on Monday as southern Chile and Argentina were plunged into darkness.
Catherine Dulac Finds Brain Circuitry Behind Sex-Specific Behaviors
3dQuestions like "why do men and women act differently?" are age-old, with tangled, deeply buried answers. But that is why Catherine Dulac, a Howard Hughes Medical Investigator and a professor of molecular and cellular biology at Harvard University, has become so well respected by her neuroscientist colleagues for the originality and creativity with which she has brought important answers to light.
Dazzling Video Shows How Milky Way Will Evolve Over 400,000 Years
3dShooting Stars It goes without saying that the Milky Way will be a very different place 400,000 years from now. Earlier this month, the European Space Agency's Gaia space observatory released a trove of new data from its years of observing the galaxy. With the ultra-precise map of the Milky Way in hand, ESA scientists were able to, essentially, look into the future by projecting forward. To show
Massive underground instrument finds final secret of our sun's fusion
3dA hyper-sensitive instrument, deep underground in Italy, has finally succeeded at the nearly impossible task of detecting CNO neutrinos (tiny particles pointing to the presence of carbon, nitrogen and oxygen) from our sun's core. These little-known particles reveal the last missing detail of the fusion cycle powering our sun and other stars.
Applying compost to landfills could have environmental benefits
3dMany people think of composting organic matter as a way of keeping solid waste out of landfills, but a new study from North Carolina State University finds there can be significant environmental benefits associated with using compost at landfills.
Success in the Amazon: Reduced deforestation
3dIn 2006, Greenpeace launched a campaign exposing deforestation caused by soy production in the Brazilian Amazon. In the previous year, soy farming expanded into more than 1,600 square kilometers of recently cleared forests. The destruction, they said, had to stop.
Christmas in the age of coronavirus
3dRestricting social contact is even harder during the festive season
'Magic' angle graphene and the creation of unexpected topological quantum states
3dElectrons inhabit a strange and topsy-turvy world. These infinitesimally small particles have never ceased to amaze and mystify despite the more than a century that scientists have studied them. Now, in an even more amazing twist, physicists have discovered that, under certain conditions, interacting electrons can create what are called 'topological quantum states.' This finding, which was recentl
Powerhouse plants that bolster the food web
3dUniversity of Delaware Professor of Entomology Doug Tallamy published a new research study in Nature that systematically identifies the most critical plants needed to sustain food webs across the United States. Alongside co-authors Kimberley Shropshire and former graduate student Desiree Narango, now a postdoctoral researcher at the University of Massachusetts Amherst, the study drills down to the
International research project investigates photosensitive carbon nanoparticles
3dAn international team of researchers, including researchers from Friedrich-Alexander Universität Erlangen-Nürnberg (FAU) headed by Prof. Dr. Dirk M. Guldi have now managed to identify the fundamental problems relating to the photophysics and photochemistry of carbon nanocolloids (CNC), and ascertain possible approaches for research into these readily available, non-toxic and adaptable nanomaterial
Oregon's Western Cascades watershed to experience larger, more frequent fires
3dThe Clackamas Basin rarely experiences the intense fire activity that burned in the watershed during the Labor Day fires, but new research out of Portland State University shows that wildfires like the Riverside Fire, which grew to 138,000 acres within days, could become more common under a warming climate, even under non-extreme wind conditions.
Chance played a major role in keeping Earth fit for life
3dA study by the University of Southampton gives a new perspective on why our planet has managed to stay habitable for billions of years—concluding it is almost certainly due, at least in part, to luck. The research suggests this may shorten the odds of finding life on so-called 'twin-Earths' in the Universe.
Industrial waste is reused to produce alternatives to plastic
3dIn Brazil, researchers at São Paulo State University (UNESP) in Ilha Solteira have developed a film that can replace plastic in food packaging. The film is made from hydroxypropyl methylcellulose (HPMC) and bacterial cellulose scraps left over from industrial processing. Both raw materials are sustainable. They are combined to produce a biodegradable film of bacterial cellulose nanocrystals and HP
Experts advocate responsible and transparent use of algorithms in government
3dThe use of algorithms in government is transforming the way bureaucrats work and make decisions in different areas, such as healthcare or criminal justice. Experts address the transparency challenges of using algorithms in decision-making procedures at the macro-, meso-, and micro-levels in this special issue of Information Polity.
Artificial intelligence sets sights on the sun
3dScientists from the University of Graz and the Kanzelhöhe Solar Observatory (Austria) and their colleagues from the Skolkovo Institute of Science and Technology (Skoltech) developed a new method based on deep learning for stable classification and quantification of image quality in ground-based full-disk solar images. The research results were published in the journal Astronomy & Astrophysics and
Powerhouse plants that bolster the food web
3dUniversity of Delaware Professor of Entomology Doug Tallamy published a new research study in Nature that systematically identifies the most critical plants needed to sustain food webs across the United States. Alongside co-authors Kimberley Shropshire and former graduate student Desiree Narango, now a postdoctoral researcher at the University of Massachusetts Amherst, the study drills down to the
How Europeans wear wedding rings, and what it says about them
3dEuropeans are getting married less, but wearing a wedding ring is more standardised than ever. Standardised doesn't mean homogenised: some countries prefer rings on the left, others on the right. However, this map does not capture the range of subtleties that wearing a ring on either side can convey. Remarkable variation Europeans are falling out of love with marriage . Back in 1965, the crude ma
Solar Panel Waste: The Dark Side of Clean Energy
3dTons of solar panels installed in the early 2000s are reaching the end of their lifecycles, posing a serious problem for the industry to contend with. Current solar panel disposal practices are far from being environmentally friendly.
Point of Care testing can improve the detection and treatment of influenza
3dNew research has shown that implementing point-of-care testing in hospitals to diagnose influenza can lead to better treatment and faster recovery for patients. The researchers are now calling for routine use of these tests to become standard for patients admitted with acute respiratory symptoms during the influenza season.
New combination therapy could help fight difficult-to-treat cancers with common mutations
3dScientists describe a new combination therapy that suppresses the MAPK pathway by holding cancer-driving proteins in a death grip. This combination of two small molecules has the potential to treat not only BRAF mutated melanoma but also additional aggressive subtypes of cancers, including melanoma, lung, pancreatic and colon cancers that harbor common mutations in cancer genes called RAS or NF1.
What makes peppers blush
3dBright red, tasty and healthy, that's how we know and love bell peppers. In a first, the team headed by Professor Sacha Baginsky from the Chair for Plant Biochemistry at Ruhr University (RUB) has deciphered in detail at the protein level what makes them turn red as they ripen. At the heart of the project are the so-called plastids, typical plant cell organelles in which chlorophyll is broken down
Fertilizer made from urine could enable space agriculture
3dIn extreme environments, even the most ordinary tasks can seem like unsurmountable challenges. Because of such difficulties, humanity has, for the most part, settled on grounds that were favorable for harvesting crops, herding cattle, and building shelters. But as we seek to expand the limits of human exploration, both on earth and in space, the people pioneering this search will undoubtedly face
Physics discovery leads to ballistic optical materials
3dElectronics are increasingly being paired with optical systems, such as when accessing the internet on an electronically run computer through fiber optic cables.
The moon controls the release of methane in Arctic Ocean
3dIt may not be very well known, but the Arctic Ocean leaks enormous amounts of the potent greenhouse gas methane. These leaks have been ongoing for thousands of years but could be intensified by a future warmer ocean. The potential for this gas to escape the ocean, and contribute to the greenhouse gas budget in the atmosphere, is an important mystery that scientists are trying to solve.
What makes peppers blush
3dBright red, tasty and healthy, that's how we know and love bell peppers. In a first, the team headed by Professor Sacha Baginsky from the Chair for Plant Biochemistry at Ruhr University (RUB) has deciphered in detail at the protein level what makes them turn red as they ripen. At the heart of the project are the so-called plastids, typical plant cell organelles in which chlorophyll is broken down
Toward imperceptible electronics that you cannot see or feel
3dTransparent electronics—such as head-up displays that allow pilots to read flight data while keeping their eyes ahead of them—improve safety and allow users to access data while in transit. For healthcare applications, the electronics need to not only be cheap and straightforward to fabricate, but also sufficiently flexible to conform to skin. Silver nanowire networks meet these criteria. However,
First 10 days after leaving hospital carry high risk for COVID-19 patients, study finds
3dIn the first months after their COVID-19 hospital stay, patients face a high risk of ongoing health problems, hospital readmission and death, a growing number of studies shows. But the first week and a half may be especially dangerous, a new study finds. COVID-19 patients had a 40% to 60% higher risk of readmission or death in the first 10 days, compared with similar patients treated during the sa
Biomarkers could help predict severe SARS-CoV-2 infection
3dMolecular markers in the blood shown to be predictive of severe COVID-19 outcomes resulting from SARS-CoV-2 coronavirus infection have been identified in a study by a Chinese research team. The study results extend understanding of the pathophysiology and clinical progress of COVID-19 with potential for identifying early during the course of infection which individuals are most at risk of developi
How childhood brain function and memory skills shape each other
3dIn early childhood, memory skills predict the strength of future brain connections, and conversely, the strength of early brain connections predict future memory acuity. New research published in JNeurosci highlights the complex, bidirectional relationship between brain function and ability during development.
Study Estimates 76 Percent of Brazilian City Exposed to SARS-CoV-2
3dThe number, extrapolated from antibodies present in blood donors in Manaus, should be treated with caution, experts warn.
North Korea is about to exhaust its tuberculosis drug supply, experts warn
3dNation already suffers from high rate of bacterial disease
How to Use ProRAW on Your iPhone 12 Pro
3dApple's update that enables RAW camera capture—and makes your photos more editable—is now available.
The Streaming Wars Could Finally End in 2021
3dWith Disney's announcement of 22 new series, and Warner Bros. teaming up with HBO Max, the battle for every last subscriber will come to a head next year.
Editorial: Five years after the Paris Agreement, the world still isn't doing enough to combat climate change
3dRepresentatives from nearly every country on Earth met in Paris five years ago and promised to work together in an unprecedented effort to limit global warming to 2 degrees Celsius above preindustrial levels, with a preferred goal of capping the rise at 1.5 degrees. It took a lot of maneuvering and diplomacy by the Obama administration to reach that agreement after a similar effort six years earli
Magnetically controlled, hydrogel-based smart transformers
3dWhile the film "Transformers" introduced intelligent robots that morphed between shapes with multiple functionalities, researchers are developing intelligent soft transformers to significantly accelerate research applications in the lab. In a recent report now published in Advanced Intelligent Systems, Dachuan Zhang and a research team in materials science and chemical sciences in China, proposed
Famed Ferrari Designer Absolutely Demolishes Tesla's Cybertruck
3dCybertruck Take Down Legendary car designer Frank Stephenson, who's worked on vehicles for BMW to Ferrari, is not a fan of Tesla's Cybertruck. At least, that's according to a recent video Stephenson uploaded to YouTube, first spotted by Jalopnik. Stephenson didn't mince words. To him, the Cybertruck appears "inhospitable," "sterile," and "anti-environmentalist." Pivotal Tesla first showed off its
Apple's App 'Privacy Labels' Are Here—and They're a Big Step Forward
3dIt remains unclear how effective the warnings will be, but the attempt alone is a promising development.
Prospective Grad student seeking advice
3dHello Everyone, I'm a working professional from India with a bachelor's degree in computer science. Over the course of the COVID lockdown, I began to explore how the human mind works and developed an interest in psychology, specifically the effects of depression. After going through a couple of introductory lectures on Youtube and two books, I'm determined to dedicate myself towards research in t
We Can Boost IQ: Revisiting Kvashchev's Experiment
3dhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7709590/ submitted by /u/Alternative_Dig_7127 [link] [comments]
Understanding Us: Basic Concepts of Neuroscience — an Introduction
3dsubmitted by /u/52LivingIdeas [link] [comments]
Pfizer is shipping millions of COVID-19 vaccine doses this week
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3dPfizer COVID Vaccine
Pfizer shipped frozen vials of its COVID-19 vaccine around the country today. (Pexels/) Shipments of Pfizer's COVID-19 vaccine went out around the country yesterday as death counts hurdle towards 300,000. This morning, healthcare workers started receiving the vaccine , in what the AP called in a tweet "the largest vaccination campaign in U.S. history." This comes after the FDA's vaccine advisory
High-brightness source of coherent light spanning from the UV to THz
3dAn international team of scientists reports in Nature Photonics on a novel technique for a high-brightness coherent and few-cycle duration source spanning 7 optical octaves from the UV to the THz.
Massive underground instrument finds final secret of our sun's fusion
3dThe Borexino detector, a hyper-sensitive instrument deep underground in Italy, has finally succeeded at the nearly impossible task of detecting CNO neutrinos from our sun's core. These little-known particles reveal the last missing detail of the fusion cycle powering our sun and other stars, and could answer still-outstanding questions about the sun's composition.
Oregon's Western Cascades watershed to experience larger, more frequent fires
3dProjected changes in temperature and relative humidity are expected to lead to longer fire seasons and more severe fire weather in Oregon's Western Cascade mountains, which in turn will result in larger, more frequent fires.
Drugs create balancing act for patients with non-small cell lung cancer
3dResearchers identified a correlation between multisystem immune-related adverse events and improved rates of survival. This new information will be helpful in discussing with patients the spectrum of immune side effects that may occur from immunotherapy and the implications for their future.
When less is more: A single layer of atoms boosts the nonlinear generation of light
3dIn a new study an international research team led by the University of Vienna has shown that structures built around a single layer of graphene allow for strong optical nonlinearities that can convert light. The team achieved this by using nanometer-sized gold ribbons to squeeze light, in the form of plasmons, into atomically-thin graphene. The results, which are published in Nature Nanotechnology
Researchers Debut Whole New Type of Solar Energy Storage
3dSolar Battery A team of researchers from Lancaster University in the UK have invented a whole new way to store energy from the Sun for several months at a time, with the option of releasing it on demand in the form of heat. The goal is to be able to capture and store significant amounts of solar energy during the much brighter and sunnier summer months for use in winter. In fact, their proposed m
First case of coronavirus detected in wild animal
3dExperts are calling for greater surveillance of wildlife for the virus after the discovery in a wild mink.
Tweaked psychedelic could treat depression and addiction
3dA non-hallucinogenic version of the psychedelic drug ibogaine has potential for treating addiction, depression, and other psychiatric disorders, research with mice suggests. "Psychedelics are some of the most powerful drugs we know of that affect the brain," says David Olson, assistant professor of chemistry at the University of California, Davis, and senior author of the paper in Nature . "It's
When chemistry with green light mimics what happens in life
3dTaking inspiration from nature, researchers created a green light-stabilized 3D polymer structure that unfolds itself when left in darkness – the first reported example of a reversible, light-triggered process to fold polymers into single chain nanoparticles.
Does sharing health data help maintain weight loss?
3dResearch suggests that health counselors having access to self-monitored health data would improve a person's weight loss maintenance.
Singing to preterm infants during kangaroo care reduces maternal anxiety
3dPremature births are stressful experiences that increase the risk of anxiety for mothers and may hinder the development of interaction between mother and infant. A new study indicates that the combination of singing and kangaroo care boosts the wellbeing of the mothers of preterm infants, also making it easier for them to establish a connection with their baby.
What makes peppers blush?
3dBright red, tasty and healthy, that's how we know and love bell peppers. In a first, a team has deciphered in detail at the protein level what makes them turn red as they ripen. At the heart of the project are the so-called plastids, typical plant cell organelles in which chlorophyll is broken down and carotenoids are produced as the fruit ripens.
Renewable energy: Frequency data for stable power supply
3dIn the renewable energies era, grid frequency will be an increasingly important indicator of stability of power supply. An interdisciplinary research consortium has analyzed frequency fluctuations in twelve synchronous grid areas on three continents. For data recording, scientists have developed a portable, GPS-synchronized recorder based on a new measurement technology.
Fauci Says That His Greatest Fear Is Anti-Vaxxers
3dThe FDA has granted emergency use authorization to Pfizer's COVID-19 vaccine. Now the next step is to actually distribute it — but Dr. Anthony Fauci, head of the National Institute of Allergy and Infectious Diseases (NIAID), has serious concerns about how the rollout will go. The trouble? Anti-vaxxers and others who are specifically concerned about this vaccine's safety and efficacy, Fauci told T
Lab-made killer T cell attacks cells that cause diabetes
3dA genetically engineered T cell can target and attack other T cells that cause type 1 diabetes, according to research in mice. The work could lead to new immunotherapy treatments. The immune system fights bacteria, viruses, and other pathogens by utilizing several types of T cells, all of which have receptors that are specific to particular antigens. On killer T cells, the receptor works in conce
How Selfish Are Plants? Let's Do Some Root Analysis
3dA new model further untangles the complex strategy games playing out under our feet.
Fauci praises African American scientist at 'forefront' of creating Covid vaccine
3dDr Kizzmekia Corbett one of two leaders of team that created vaccine as only 14% of Black Americans trust vaccine will be safe Coronavirus – latest updates See all our coronavirus coverage Anthony Fauci has praised the work of Kizzmekia Corbett, an African American scientist who the leading US public health expert said was "at the forefront" of the development of a leading coronavirus vaccine. Re
These Conservation Stories Prove 2020 Was Not All Bad News
3dFrom the Smithsonian's Earth Optimism team, comes a surprising list of successful efforts making a difference
Success in the Amazon
3dIn 2006, Greenpeace launched a campaign exposing deforestation caused by soy production in the Brazilian Amazon. In the previous year, soy farming expanded into more than 1,600 square kilometers of recently cleared forests. The destruction, they said, had to stop.
FARI publishes new research on omega-3s and heart rate recovery
3dThe Fatty Acid Research Institute (FARI) has published a new research paper in conjunction with The Cooper Institute on omega-3s and heart rate recovery. Omega-3 fatty acids have a long history of being "heart healthy" but exactly why and how has been less clear. So how do the omega-3 fatty acids EPA and DHA work? A recent study from the Cooper Center Longitudinal Study (CCLS) and FARI sheds new l
Study: Oregon's Western Cascades watershed to experience larger, more frequent fires
3dProjected changes in temperature and relative humidity are expected to lead to longer fire seasons and more severe fire weather in Oregon's Western Cascade mountains, which in turn will result in larger, more frequent fires.
Higher variability in glomerular filtration rate is associated with higher mortality
3dIn this paper published in the American Journal of Kidney Diseases (AJKD), researchers evaluated associations between eGFR variability and subsequent cardiovascular disease (CVD) events and all-cause mortality among SPRINT participants. They found that greater eGFR variability was associated with higher risk of all-cause mortality independent of baseline eGFR, albuminuria, and other risk factors.
One-year kidney allograft outcomes do not differ by hepatitis C status of donor
3dStudy published in AJKD shows that kidney allograft outcomes one year post-transplantation in hepatitis C virus (HCV)-negative recipients do not differ by the HCV status of the donor.
Mystery solved with math: cytoplasmic traffic jam disrupts sleep-wake cycles?
3dKAIST mathematicians and their collaborators at Florida State University have identified the principle of how aging and diseases like dementia and obesity cause sleep disorders. A combination of mathematical modelling and experiments demonstrated that the cytoplasmic congestion caused by aging, dementia, and/or obesity disrupts the circadian rhythms in the human body and leads to irregular sleep-w
20-årige Anders fik fjernet lidt af hjernen: Nu er han helbredt for daglige anfald
3dDa Anders Bech Pedersens epilepsi var værst, fik han 40 anfald på en nat
Did you solve it? The colourful truth about elves
3dThe solution to today's puzzle Earlier today I set you the following puzzle: Four elves Glarald, Mnementh, Virthana and Tinsel are each wearing tunics of a different colour. At least one of these elves is a liar. (A liar is someone who only says statements that are untrue). During break at elf school, the following conversation is overheard: Continue reading…
Model could help determine quarantine measures needed to reduce Covid-19's spread
3dA model developed by MIT researchers shows a direct link between the number of people who become infected and how effectively a state maintains its quarantine measures. A key finding: Early reopening in spring 2020 led to a dramatic drop in "quarantine strength" in southern and west-central U.S. states.
When you can't afford to go on lockdown
3dResearchers at HSE University and Lomonosov Moscow State University analyzed data on Russians' movements during the first wave of the COVID-19 pandemic. Their analysis showed that residents of lower-income municipalities self-isolated less compared to residents of higher-income cities. The findings were published in the journal Environment and Planning A .
'Magic' angle graphene and the creation of unexpected topological quantum states
3dElectrons inhabit a strange and topsy-turvy world. These infinitesimally small particles have never ceased to amaze and mystify despite the more than a century that scientists have studied them. Now, in an even more amazing twist, physicists have discovered that, under certain conditions, interacting electrons can create what are called "topological quantum states." This finding, recently publishe
Powerhouse plants that bolster the food web
3dResearchers have identified the most critical plants needed to sustain food webs across the United States. Their study drills down to the top plants in each county and bioregion, illuminating a plan for how to restore ecosystems anywhere in the country.
Researchers discover clue to how to protect neurons and encourage their growth
3dResearchers have identified a family of enzymes whose inhibition both protects neurons and encourages their growth, a pathway to potential new treatments for neurodegenerative diseases from Alzheimer's to glaucoma.
International research project investigates photosensitive carbon nanoparticles
3dAn international team of researchers, including researchers from FAU headed by Prof. Dr. Dirk M. Guldi have now managed to identify the fundamental problems relating to the photophysics and photochemistry of carbon nanocolloids (CNC), and ascertain possible approaches for research into these readily available, non-toxic and adaptable nanomaterials.
Create a realistic VR experience using a normal 360-degree camera
3dScientists at the University of Bath have developed a quick and easy approach for capturing 360° VR photography without using expensive specialist cameras. The system uses a commercially available 360° camera on a rotating selfie stick to capture video footage and create an immersive VR experience.
Invasive harlequin ladybird causes severe decline of two-spotted ladybird, new study shows
3dScientists have led an 11-year study which shows how the invasive harlequin ladybird (Harmonia axyridis) caused the severe decline of the two-spotted ladybird on broad-leaved trees and shrubs in northern Switzerland.
Young people who go to bed later drink and smoke more due to their impulsivity
3dYoung people who prefer to stay up late are more impulsive than their peers who go to bed earlier, which makes them more likely to drink alcohol and smoke.
High-rate Li-ion batteries demonstrate superior safety
3dAs the inevitable growth of transport electrification continues, the types of batteries that will be used in such vehicles, their charging parameters, infrastructure and timeframes are key considerations that will speed up the transition to electrification.
Hearing Aids Could Use Some Help
3dThe vital medical devices could be inexpensive and available over the counter. But efforts have stalled under the F.D.A.
Strongly correlated Chern insulators in magic-angle twisted bilayer graphene
3dNature, Published online: 14 December 2020; doi:10.1038/s41586-020-3028-8 Strong electron–electron interactions in magic-angle twisted bilayer graphene can fundamentally change the topology of the system's flat bands, producing a hierarchy of strongly correlated topological insulators in modest magnetic fields.
High-rate Li-ion batteries demonstrate superior safety
3dAs the inevitable growth of transport electrification continues, the types of batteries that will be used in such vehicles, their charging parameters, infrastructure and timeframes are key considerations that will speed up the transition to electrification.
Spørg Fagfolket: Bliver olien i nødder beskadiget ved ristning?
3dEn læser vil gerne vide, om nødder egentlig kan tåle at blive ristet. Det svarer professor i fødevarekemi på.
New combination therapy could help fight difficult-to-treat cancers with common mutations
3dUCLA scientists describe a new combination therapy that suppresses the MAPK pathway by holding cancer-driving proteins in a death grip. This combination of two small molecules has the potential to treat not only BRAF mutated melanoma but also additional aggressive subtypes of cancers, including melanoma, lung, pancreatic and colon cancers that harbor common mutations in cancer genes called RAS or
Point of Care testing can improve the detection and treatment of influenza
3dSouthampton-led research has shown that implementing point-of-care testing in hospitals to diagnose influenza can lead to better treatment and faster recovery for patients. The researchers are now calling for routine use of these tests to become standard for patients admitted with acute respiratory symptoms during the influenza season.
Chance played a major role in keeping Earth fit for life
3dA study by the University of Southampton gives a new perspective on why our planet has managed to stay habitable for billions of years – concluding it is almost certainly due, at least in part, to luck. The research suggests this may lengthen the odds of finding life on so-called 'twin-Earths' in the Universe.
Artificial intelligence sets sights on the sun
3dScientists employed a neural network to learn the characteristics of high-quality images of the ground-based full-disk images of the sun and estimate the deviation of real observations from an ideal reference. They used artificial intelligence (AI) to achieve quality assessment that is similar to human interpretation.Currently, the authors are further elaborating their image processing methods to
US starts administering coronavirus vaccine
3dNurse among first to receive Pfizer/BioNTech shot as rollout begins across country
Pressure grows on No 10 to prevent Christmas Covid surge
3dDowning Street says there are no plans to review guidance on household mixing or schools Coronavirus – latest updates See all our coronavirus coverage Ministers are coming under growing scientific and political pressure – including from the Tory benches – to prevent a "surge" in coronavirus cases connected to Christmas, as Downing Street rejected calls for any measures to mitigate the impact. Con
More frequent and extreme marine heatwaves likely to threaten starfish
3dCommon starfish cannot survive amplified marine heatwaves projected at the end of the century and experience lasting negative effects from current heatwaves, according to new research.
Fans are not amused about decisions made by video assistants
3dSince the 2019/20 season, controversial referee calls in the English Premier League may be technically reviewed and, if deemed necessary, corrected. Using a Twitter analysis of 129 games in the English Premier League, a research team has now determined how decisions made by video referees affect the mood of the fans.
New hard-carbon anode material for sodium-ion batteries will solve the lithium conundrum
3dToday, most rechargeable batteries are lithium-ion batteries, which are made from relatively scarce elements–this calls for the development of batteries using alternative materials. In a new study, scientists from Tokyo University of Science, Japan, find an energy-efficient method to fabricate a hard carbon electrode with enormously high sodium storage capacity. This could pave the way for next-g
Using play to 'school' children's emotions
3dPretend play is a pedagogical tool that can be used to stimulate a child's socio-emotional competences. A curriculum based on this approach has been introduced in classes of pupils aged five and six. The study evaluating the effects of the programme shows that pupils who followed the curriculum increased their emotional recognition capacities and emotional lexicon compared to a control group.
Existentiell ensamhet – äldre personers upplevelse
3dExistentiell ensamhet är en oundviklig del av människans livsvillkor. Många äldre beskriver oro och ångest, men lyfter fram faktorer som lindrar ensamheten – bland annat relationer till andra människor. Något som vården måste förhålla sig till. Förr eller senare drabbas de flesta människor av existentiell ensamhet. Särskilt vanligt är det bland sköra äldre personer – kanske förlorar man sina vänn
Baricitinib Follow-Up: An AI Prediction for Coronavirus Therapy
3dI wanted to follow up on something that came up much earlier in the coronavirus pandemic. Back in February, a group at BenevolentAI proposed the kinase inhibitor baricitinib as a possible therapeutic for the coronavirus. They identified this through their company's machine-learning approach to the medical literature and disease mechanisms, and identified the compound due to its proposed effects o
Sheets of carbon nanotubes come in a rainbow of colors
3dNanomaterials researchers in Finland, the United States and China have created a color atlas for 466 unique varieties of single-walled carbon nanotubes.
The power of validation in helping people stay positive
3dTelling a distressed friend or family member something as simple as "I understand why you feel that way" can go a long way toward helping loved ones feel better, new research suggests.
One-step method to generate mice for vaccine research
3dTo develop vaccines, scientists rely on a variety of animal models, including mice that can produce human antibodies through genetically engineered B cell receptors. These mice, however, often take several years to develop, requiring a complicated process of genetic modification and careful breeding. A Ragon Institute group has developed a one-step method, which uses CRISPR/Cas9 technology, to pro
One's trash, another's treasure: fertilizer made from urine could enable space agriculture
3dFrom the perspective of future societies, in extremely closed environments such as a space station, self-sufficiency in food cultivation and waste management is critical. However, the technology to achieve this is still lacking. In a new study, scientists from Japan shed light on their most recent breakthrough: a cheap and efficient method to make liquid fertilizer (ammonia) from simplified artifi
Industrial waste is reused to produce alternatives to plastic
3dResearchers at São Paulo State University reused bacterial cellulose scraps usually thrown away by manufacturers of wound dressings to make strong biodegradable film for food packaging
Physics discovery leads to ballistic optical materials
3dA team led by a Purdue University scientist has found a way to create more efficient metamaterials using semiconductors and a novel aspect of physics that amplifies the activity of electrons.
USC study: Young adults who identify as Republicans eschew COVID safety precautions
3dYoung Californians who identify themselves as Republicans are less likely to follow social distancing guidelines that prevent coronavirus transmission than those who identify as Democrats or Independents, according to new USC study published today in JAMA Internal Medicine.
How can we make sure people get the second COVID-19 vaccine dose?
3dThe availability of COVID-19 will not necessarily result in people getting fully vaccinated, because the first vaccines to reach public use require two doses for full protection – and research has shown that many people never follow up on multi-dose vaccines or other multi-step preventive health practices. A researcher who has studied this effect comments on what it might take to solve the "second
Mindfulness meditation may decrease impact of migraine
3dIn a recent clinical trial from Wake Forest Baptist Health, researchers showed that mindfulness-based stress reduction (MBSR) may provide benefit to people with migraine.
Research dispels fears human stem cells contain cancer-causing mutations
3dPioneering new research has made a pivotal breakthrough that dispel concerns that human stem cells could contain cancer-causing mutations.
Silica the best environmental alternative to plastic microbeads, finds study
3dFollowing bans on plastic microbeads in wash-off cosmetics, a new study weighs up the environmental costs of alternatives.
When less is more: A single layer of atoms boosts the nonlinear generation of light
3dA wide array of technologies, ranging from lasers and optical telecommunication to quantum computing rely on nonlinear optical interaction. Typically, these nonlinear interactions, which allow a beam of light, for example, to change its frequency, are implemented by bulk materials.
Scientists recruit new atomic heavyweights in targeted fight against cancer
3dResearchers from the U.S. Department of Energy's Berkeley Lab and Los Alamos National Laboratory have developed new methods for the large-scale production, purification, and use of the radioisotope cerium-134, which could serve as a PET imaging radiotracer for a highly targeted cancer treatment known as alpha-particle therapy.
New research points to effective ways to increase support for addressing ec
3dResearchers have found that information about economic inequality focusing on the disadvantages facing people from the lower-socioeconomic class leads Americans to engage more with the issue and to express greater support for action to mitigate inequality.
Cooperation across boundaries and sectors could boost sustainable development
3dA new analysis of food, energy, water, and climate change in the Indus Basin shows how a cross-boundary and multi-sectoral perspective could lead to economic benefits and lower costs for all countries involved.
Benefits of renewable energy vary from place to place
3dA new study finds the environmental benefits of renewable power generation vary significantly, depending on the nature of the conventional power generation that the renewable energy is offsetting. The researchers hope the work will help target future renewable energy investments in places where they can do the most good.
Allocating resources across life span during COVID-19
3dThis Viewpoint discusses the need to account for neonates and children, who are typically disproportionally impacted during pandemics, by implementing hospital resource allocation protocols that ensure equity across the life span.
Clinical characteristics, disease severity among infants with SARS-CoV-2 infection
3dThis study describes the manifestations and severity of disease among infants with SARS-CoV-2 infection.
Household transmission of SARS-CoV-2
3dThe findings of this study suggest households will continue to be a significant venue for transmission of SARS-CoV-2 because people with suspected or confirmed infections are being told to isolate at home.
Diversity, representation of physicians during COVID-19 news cycle
3dThe diversity of speakers who discussed COVID-19 and other content on three popular American cable news networks (Fox News Network, CNN and MSNBC) was investigated in this study.
Association of political party affiliation with physical distancing among young adults during COVID-19 pandemic
3dResearchers estimated the associations of political party affiliation with physical distancing behaviors among young adults, a population with high rates of COVID-19.
Unexpected discovery leads to better understanding of migraine
3dMassive "plumes" of glutamate, a key neurotransmitter, surging in the brain could help explain the onset of migraine with aura–and potentially a broad swath of neurologic disease, including stroke and traumatic brain injury–according to an international study led by University of Utah Health scientists.
5 things to know about the FDA's COVID-19 vaccine authorization
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3dPfizer COVID Vaccine
After the US Food and Drug Administration's emergency use authorization for the COVID-19 vaccine from Pfizer and BioNTech, Holly Fernandez Lynch sheds light on the EUA process. The agency is holding another meeting December 17th to determine whether they will issue one for the vaccine candidate from Moderna . EUAs will allow some members of the American public—not just those enrolled in clinical
Shooting koalas in 12K for IMAX is as tricky as it sounds
3dJust imagine pictures of Koalas on a massive IMAX screen. (Pixabay /) Shooting footage for IMAX movies has never been particularly easy or cheap. Back in the good old days, IMAX required 70mm film, which was twice the width of 35mm film used in typical cinema and still photography cameras. It was heavy, cumbersome, and extremely expensive. Even with the move to digital, capturing sufficient resol
Ung læge skaber heftig debat: Stod frem med krænkelsessag
3dAndreas Thorsens sag bliver diskuteret flittigt på sociale medier og dagensmedicin.dk, efter at han i fredags stod frem med kras kritik af Yngre Læger og hospitalsledelsen på Hvidovre Hospital for deres håndtering af en sag, hvor han blev udsat for vold af en overlæge.
New strain of Covid-19 may be cause of rise in cases, Hancock tells MPs
3dHealth secretary says variant may be linked to rapid spread of virus in south-east England Coronavirus – latest updates See all our coronavirus coverage A new Covid-19 variant has been identified in the UK, the health secretary has revealed, suggesting it could be linked to the rapid spread of the virus in south-east England as millions more people in London are being moved into the toughest rest
New hard-carbon anode material for sodium-ion batteries will solve the lithium conundrum
3dCost-effective rechargeable batteries are at the heart of virtually all portable electronic devices, which have become ubiquitous in modern daily life. Moreover, rechargeable batteries are essential components in many environment-friendly technologies, such as electric cars and systems that harvest renewable energy. They are also key enablers of various medical devices and facilitate research in v
Scientists recruit new atomic heavyweights in targeted fight against cancer
3dA promising approach to treating cancer—called targeted alpha-particle therapy or TAT—could better harness the curative power of radiation treatments and lessen the severity of their more debilitating side effects.
How to be an upstander instead of a bystander | Angélique Parisot-Potter
3dIf you see something wrong in the workplace, what should you do? Business leader Angélique Parisot-Potter says you should speak up, even when it's scary. Sharing her personal experience of voicing concerns at work, she offers three lessons on standing up for what's right.
Scientists recruit new atomic heavyweights in targeted fight against cancer
3dA promising approach to treating cancer—called targeted alpha-particle therapy or TAT—could better harness the curative power of radiation treatments and lessen the severity of their more debilitating side effects.
The moon controls the release of methane in Arctic Ocean
3dThe moon controls one of the most formidable forces in nature – the tides that shape our coastlines. Tides, in turn, significantly affect the intensity of methane emissions from the Arctic Ocean seafloor. High tides may even counter the potential threat of submarine methane release from the warming Arctic.
Applying compost to landfills could have environmental benefits
3dMany people think of composting organic matter as a way of keeping solid waste out of landfills, but a new study finds there can be significant environmental benefits associated with using compost at landfills.
Interested in Solar Energy? This Free Personalized Assessment Has the Info You Need.
3dWant to do something good for the planet that also adds value to your home ? If so, you need to think about making the switch to solar power. The cost of installing solar energy systems has never been lower, and the potential return on your investment has never been higher. And while the process of making the switch the switch to solar can be pretty complicated, thanks to the solar experts at Und
Seabed sediment and asphalt areas are noteworthy sources of heat energy
3dAccording to a new study from the University of Vaasa, seabed sediment and asphalt areas are noteworthy sources of heat energy also in northern conditions. Sediment heat has been studied in Suvilahti, Vaasa, Finland and asphalt heat in the parking area of University of Vaasa for several years.
Efforts to combat COVID-19 perceived as morally right
3dAccording to new research, people tend to moralize COVID-19-control efforts and are more willing to endorse human costs emerging from COVID-19-related restrictions than to accept costs resulting from other restraints meant to prevent injury or death. The level of support – and resulting outrage in response to perceived violations of this moral ideal – differs between liberals and conservatives.
When absolute certainty may not be possible: Criteria to determine death by mountain rescue teams
3dThe International Commission for Mountain Emergency Medicine (ICAR MedCom) convened an expert medical panel to develop evidence-based criteria that allow for accurate determination of death in mountain rescue situations. These recommendations appear in Wilderness & Environmental Medicine , published by Elsevier.
Fine Particle Pollution is Down, But Still Killing People
3dA big-data approach finds the most robust evidence to date that particulate matter kills.
New research points to effective ways to increase support for addressing economic inequality
3dResearchers at NYU and the University of California, Irvine have found that information about economic inequality focusing on the disadvantages facing people from the lower-socioeconomic class, as opposed to messages highlighting advantages the upper-class receive, leads Americans to engage more with the issue and to express greater support for action to mitigate inequality.
Silica the best environmental alternative to plastic microbeads, study finds
3dFollowing bans on plastic microbeads in wash-off cosmetics, a new study weighs up the environmental costs of alternatives.
Cooperation across boundaries and sectors could boost sustainable development
3dA new analysis of food, energy, water, and climate change in the Indus Basin shows how a cross-boundary and multi-sectoral perspective could lead to economic benefits and lower costs for all countries involved.
Mary Nichols Appears to Be Out of Running to Lead E.P.A.
3dThe president-elect's transition team is scrambling to find a new candidate for the E.P.A. after advocates objected to Mary D. Nichols.
Nervceller i "bukhjärnan" kartlagda
3dGenom att kartlägga vilka nervceller som ingår i mag- tarmkanalens nervsystem hos möss, har forskare fått mer kunskap om hur nervcellerna bildas och vilken funktion de har. I framtiden hoppas man kunna bena ut nervcellernas roll vid olika tarmsjukdomar samt identifiera måltavlor för ny medicin. Vår cirka sju meter långa mag-tarmkanal innehåller ett eget nervsystem – det så kallade enteriska nervs
Germany braced as hard lockdown set to trigger double-dip recession
3dTough new curbs will knock 4 percentage points off country's daily growth rate, leading economist warns
Drugs create balancing act for patients with non-small cell lung cancer
3dJohns Hopkins Kimmel Cancer Center and Bloomberg~Kimmel Institute for Cancer Immunotherapy researchers identified a correlation between multisystem immune-related adverse events and improved rates of survival. This new information will be helpful in discussing with patients the spectrum of immune side effects that may occur from immunotherapy and the implications for their future.
Proportionally more male bosses negative toward depression
3dA higher proportion of male than of female managers have negative attitudes toward depression, a University of Gothenburg study shows. The more senior the managerial positions, the bigger the share of men with negative attitudes; the same, moreover, applies to women in senior managerial jobs.
Applying compost to landfills could have environmental benefits
3dMany people think of composting organic matter as a way of keeping solid waste out of landfills, but a new study finds there can be significant environmental benefits associated with using compost at landfills.
New hard-carbon anode material for sodium-ion batteries will solve the lithium conundrum
3dToday, most rechargeable batteries are lithium-ion batteries, which are made from relatively scarce elements–this calls for the development of batteries using alternative materials. In a new study, scientists from Tokyo University of Science, Japan, find an energy-efficient method to fabricate a hard carbon electrode with enormously high sodium storage capacity. This could pave the way for next-g
Moffitt program bringing patients, scientists together infuses new meaning into research
3dBecause they spend most of their time in their labs, basic science researchers rarely get to meet the patients who benefit most from their work. A group at Moffitt Cancer Center decided to change that, and with the creation of the Patient Researcher Forum, the cancer center has found a way for researchers and patients to engage with each other.
The video referee in the spotlight
3dSince the 2019/20 season, controversial referee calls in the English Premier League may be technically reviewed and, if deemed necessary, corrected. Using a Twitter analysis of 129 games in the English Premier League, a research team from the Technical University of Munich (TUM) has now determined how decisions made by video referees affect the mood of the fans.
Using play to "school" children's emotions
3dPretend play is a pedagogical tool that can be used to stimulate a child's socio-emotional competences. A curriculum based on this approach has been introduced in classes of pupils aged five and six by a research team from the University of Geneva and the Valais University of Teacher Education . The study evaluating the effects of the programme shows that pupils who followed the curriculum increas
Invasive harlequin ladybird causes severe decline of two-spotted ladybird, new study shows
3dCABI scientists have led an 11-year study which shows how the invasive harlequin ladybird (Harmonia axyridis) caused the severe decline of the two-spotted ladybird (Adalia bipunctata) on broadleaved trees and shrubs in northern Switzerland.
More frequent and extreme marine heatwaves likely to threaten starfish
3dCommon starfish cannot survive amplified marine heatwaves projected at the end of the century and experience lasting negative effects from current heatwaves, according to new research being presented on at the British Ecological Society's Festival of Ecology.
The video referee in the spotlight
3dSince the 2019/20 season, controversial referee calls in the English Premier League may be technically reviewed and, if deemed necessary, corrected. Using a Twitter analysis of 129 games in the English Premier League, a research team from the Technical University of Munich (TUM) has now determined how decisions made by video referees affect the mood of the fans.
Using play to 'school' children's emotions
3dBeing socially and emotionally competent from an early age is likely to help children win acceptance by their peers, build better relationships with teachers, and facilitate academic learning. Pretend play is a pedagogical tool that can be used to stimulate a child's socio-emotional competences. A curriculum based on this approach has been introduced in classes of pupils aged five and six by a res
Invasive harlequin ladybird causes severe decline of two-spotted ladybird, new study shows
3dCABI scientists have led an 11-year study which shows how the invasive harlequin ladybird (Harmonia axyridis) caused the severe decline of the two-spotted ladybird (Adalia bipunctata) on broadleaved trees and shrubs in northern Switzerland.
More frequent and extreme marine heatwaves likely to threaten starfish
3dCommon starfish cannot survive amplified marine heatwaves projected at the end of the century and experience lasting negative effects from current heatwaves, according to new research being presented on at the British Ecological Society's Festival of Ecology.
Scientists discover compounds that could have helped to start life on Earth
3dPhosphorus is an element essential for life. It is fundamental to all living organisms, and is a key component of RNA, DNA, and cell membranes. Phosphorus compounds must have been involved in the emergence of primordial life. Importantly though, these compounds were water soluble and reactive so that they could participate in various chemical processes. Only in this case could phosphorus be involv
Quantum interference in time
3dSince the very beginning of quantum physics, a hundred years ago, it has been known that all particles in the universe fall into two categories: fermions and bosons. For instance, the protons found in atomic nuclei are fermions, while bosons include photons—which are particles of light- as well as the BroutEnglert-Higgs boson, for which François Englert, a professor at ULB, was awarded a Nobel Pri
Scientists discover compounds that could have helped to start life on Earth
3dPhosphorus is an element essential for life. It is fundamental to all living organisms, and is a key component of RNA, DNA, and cell membranes. Phosphorus compounds must have been involved in the emergence of primordial life. Importantly though, these compounds were water soluble and reactive so that they could participate in various chemical processes. Only in this case could phosphorus be involv
The zoologist tracking an island's rebirth
3dNature, Published online: 14 December 2020; doi:10.1038/d41586-020-03522-8 How horses and cows are enticing skylarks and starlings back to an island meadow.
Unexpected insights into early dinosaur's brain, eating habits and agility
3dA pioneering reconstruction of the brain belonging to one of the earliest dinosaurs to roam the Earth has shed new light on its possible diet and ability to move fast.
How the Inca Road System Tied Together an Empire and Facilitated Its Fall
3dThousands of miles of pathways through some of the most rugged land on earth form this six-country UNESCO World Heritage site.
America on Dialysis
3dKidney disease affects millions of Americans, but corporate capture of dialysis, along with disparities in treatment and transplant access, mean that not everyone's journey is the same. On this… — Read more on ScientificAmerican.com
Experts advocate responsible and transparent use of algorithms in government
3dAmsterdam, NL, December 14, 2020 – The use of algorithms in government is transforming the way bureaucrats work and make decisions in different areas, such as healthcare or criminal justice. Experts address the transparency challenges of using algorithms in decision-making procedures at the macro-, meso-, and micro-levels in this special issue of Information Polity .
Study finds paediatric cancer patients at no greater risk of severe COVID-19 infection
3dChildren with cancer who test positive for COVID-19 do not appear to be at an increased risk of severe COVID-19 infection compared to healthy children, according a new UK study.
Quantum interference in time
3dBosons–especially photons–have a natural tendency to clump together. In 1987, three physicistsconducted a remarkable experiment demonstrating this clustering property, known as the Hong-Ou-Mandel effect. Recently, researchers at ULB's Centre for Quantum Information and Communication,have identified another way in which photons manifest their propensity to stick together. Thisresearch has just be
More frequent and extreme marine heatwaves likely to threaten starfish
3dCommon starfish cannot survive amplified marine heatwaves projected at the end of the century and experience lasting negative effects from current heatwaves, according to new research being presented on at the British Ecological Society's Festival of Ecology.
Chemists from RUDN University used crab shells to improve palladium catalysts
3d?hemists from RUDN University synthesized soluble biopolymers based on chitin from crab shells. Together with palladium, they form effective catalysts for organic reactions, and their nanoparticles can be re-used over ten times.
High-rate Li-ion batteries demonstrate superior safety
3dIn the paper, 'Determining the Limits and Effects of High-Rate Cycling on Lithium Iron Phosphate Cylindrical Cells' published in and on the cover of the Journal Batteries , researchers from WMG, University of Warwick investigated the impacts on battery cell ageing from high current operation using commercial cells.
Author Correction: Fetal whole heart blood flow imaging using 4D cine MRI
3dNature Communications, Published online: 14 December 2020; doi:10.1038/s41467-020-20353-3
Publisher Correction: Disposable silicon-based all-in-one micro-qPCR for rapid on-site detection of pathogens
3dNature Communications, Published online: 14 December 2020; doi:10.1038/s41467-020-20396-6
Author Correction: ATP hydrolysis by yeast Hsp104 determines protein aggregate dissolution and size in vivo
3dNature Communications, Published online: 14 December 2020; doi:10.1038/s41467-020-20394-8
Author Correction: Chromatin accessibility landscapes of skin cells in systemic sclerosis nominate dendritic cells in disease pathogenesis
3dNature Communications, Published online: 14 December 2020; doi:10.1038/s41467-020-20411-w
A bio on bioelectrochemical cells: a conversation with Nicolas Mano
3dNature Communications, Published online: 14 December 2020; doi:10.1038/s41467-020-19776-9 Dr Nicolas Mano is a Senior Researcher at Centre de Recherche Paul Pascal, France. His research interests include (bio)electrochemistry, biosensors, biofuel cells, enzymes engineering, and the use of carbonaceous materials for electrodes. His aim is to develop approaches where biochemical fuels can be conver
Backers of 'herd immunity' shouldn't have been allowed near Boris Johnson | Alan McNally
3dThe fringe view that we should avoid coronavirus restrictions was presented to the PM as he weighed a crucial decision On 17 September the government's scientific advisory group, Sage, met. Its minutes note that a national "circuit breaker" lockdown for England "could have a significant impact on transmission", stating that the "approach has greater impact when the epidemic is growing faster". A
New Deep Learning Method Helps Robots Become Jacks-of-all-Trades
3dOne of the biggest things standing in the way of the robot revolution is their inability to adapt. That may be about to change though, thanks to a new approach that blends pre-learned skills on the fly to tackle new challenges. Put a robot in a tightly-controlled environment and it can quickly surpass human performance at complex tasks, from building cars to playing table tennis . But throw these
How our brains know when something's different
3dScientists discovered how a set of high frequency brain waves may help us unconsciously know when something's different by comparing memories of the past with present experiences.
Carrots are healthy, but active enzyme unlocks full benefits
3dCarrots are a good source of beta-carotene, which is a precursor of vitamin A. But to get the full health benefits of this superfood, you need an active enzyme to produce this vitamin.
A theory as clear as glass
3dScientists ran molecular dynamics simulations to compose a more complete theory of the factors that drive crystallization instead of glass formation. They found that tiny changes in material composition can frustrate crystal growth, leading to vitrification. This work may lead to advances in the field of industrial glass-making.
Like adults, children by age 3 prefer seeing fractal patterns
3dBy the time children are 3 years old they already have an adult-like preference for visual fractal patterns commonly seen in nature, according to researchers.
Using water fleas, researchers investigate adaptive evolution
3dResearchers resurrected the preserved eggs of a shrimp-like crustacean to examine long-standing questions about adaptive evolution.
Sea star listed as critically endangered
3dThe iconic sunflower sea star has been listed as critically endangered by the International Union for Conservation of Nature following a groundbreaking population study.
Is our most distant animal relative a sponge or a comb jelly? Our study provides an answer
3dThe theory of evolution shows that all of life stems from a single root and that we are related, more or less distantly, to every other living thing on Earth. Our closest ancestors, as Charles Darwin recognized, are to be found among the great apes. But beyond this, confusion over the branching pattern of the tree of life means that things become less clear.
Invasive harlequin ladybird causes severe decline of two-spotted ladybird, new study shows
3dCABI scientists have led an 11-year study which shows how the invasive harlequin ladybird (Harmonia axyridis) caused the severe decline of the two-spotted ladybird on broadleaved trees and shrubs in northern Switzerland.Lead author Dr Marc Kenis, Head of Risk Analysis and Invasion Ecology based at CABI's Swiss Centre in Delémont, of the research said the two-spotted ladybird was the most abundant
Chemists from RUDN University synthesized chitin-based antibiotics
3dChemists from RUDN University discovered previously unknown derivatives of chitin, a biopolymer that forms the exoskeletons of insects and carapaces of crayfish and other arthropods. The new compounds and their nanoparticles have antibacterial properties and are able to catalyze chemical reactions.
Frequency data for stable power supply
3dIn the renewable energies era, grid frequency will be an increasingly important indicator of stability of power supply. Under the direction of the Helmholtz Association, an interdisciplinary research consortium has analyzed frequency fluctuations in twelve synchronous grid areas on three continents. For data recording, scientists of Karlsruhe Institute of Technology (KIT) have developed a portable
Temporal control of light echoes
3dScientists at Paderborn University, the Technical University of Dortmund and the University of Würzburg have for the very first time succeeded in using laser pulses to precisely control 'photon echoes', which can occur when light waves superimpose on each other. The findings of the research have now been published in scientific journal Communications Physics , published by the Nature Publishing Gr
Scientists discover compounds that could have helped to start life on Earth
3dScientists from St Petersburg University and Ben-Gurion University of the Negev have discovered natural cyclophosphates. These are possible precursors of phosphorus-containing molecules that are believed to have contributed to the emergence of primordial life on Earth. Cyclophosphates could have been formed billions of years ago in regions of elevated geothermal activity or during meteorite bombar
Young people who go to bed later drink and smoke more due to their impulsivity
3dYoung people who prefer to stay up late are more impulsive than their peers who go to bed earlier, which makes them more likely to drink alcohol and smoke, a new study in the journal Chronobiology International , reports.
New computational method validates images without 'ground truth'
3dResearchers have developed a computational method that allows them to determine not if an entire imaging picture is accurate, but if any given point on the image is probable, based on the assumptions built into the model.
Växtceller samarbetar för transport av vatten
3dSamarbete mellan angränsande celler är viktigt för den process som skapar vattentransporterande kärl i växter. En avhandling vid Umeå universitet identifierat tre nya regulatorer som är involverade i så kallad lignifiering. Lignin är den kemiska förening som gör växtcellväggar vattentäta och styva. Detta gör att växter kan stå upprätta och transportera vatten i sin stam. Biologen Bernadette Sztoj
Why everything eventually becomes a crab
3dTo crab or not to crab. (Photo by rompalli harish from Pexels/) Evolution is a pretty weird concept. Our family members that existed on Earth millions of years ago probably didn't look much like today's humans, and who knows what human relatives will look like millions of years from now. If you're to believe some recent memes, though, our descents might look a little crabby. The joke—that everyth
Kidney Dialysis Is a Booming Business. Is it Also a Rigged One?
3dA new California law aims to curb what sponsors say is profiteering by dialysis centers. But are there any easy answers? — Read more on ScientificAmerican.com
Is our most distant animal relative a sponge or a comb jelly? Our study provides an answer
3dThe theory of evolution shows that all of life stems from a single root and that we are related, more or less distantly, to every other living thing on Earth. Our closest ancestors, as Charles Darwin recognized, are to be found among the great apes. But beyond this, confusion over the branching pattern of the tree of life means that things become less clear.
Ålegræs forsvinder og kommer ikke tilbage
3dPLUS. Ålegræs er med til at bevare de danske fiskebestande og fungerer som en naturlig form for kystsikring. Vi er internationalt forpligtet til at beskytte det, påpeger forsker bag ny analyse af, hvordan miljøpåvirkninger rammer ålegræsset.
Novel genomic tools increase the accuracy of breast cancer risk assessment
3dFindings from the FinnGen study encompassing 120,000 women indicate that inherited breast cancer risk should be assessed in an increasingly comprehensive manner. Currently, only individual gene mutations are taken into consideration in breast cancer therapy and prevention. The study demonstrates that more extensive genomic data can be used to identify women who are at high risk of breast cancer wi
COVID-19: indoor air in hospitals and nursing homes require more attention
3dA variety of measures are necessary to prevent the spread of the coronavirus SARS-CoV-2 in hospitals and nursing homes. It is particularly important to develop an appropriate strategy to protect healthcare workers from airborne transmission. More attention is required in respect to indoor air in such facilities and to further training of the staff.
Does sharing health data help maintain weight loss?
3dResearch from the Center for Weight, Eating and Lifestyle Science (WELL Center) in the College of Arts and Sciences at Drexel University suggests that health counselors having access to self-monitored health data would improve a person's weight loss maintenance.
Singing to preterm infants during kangaroo care reduces maternal anxiety
3dPremature births are stressful experiences that increase the risk of anxiety for mothers and may hinder the development of interaction between mother and infant. A new study indicates that the combination of singing and kangaroo care boosts the wellbeing of the mothers of preterm infants, also making it easier for them to establish a connection with their baby.
Toward imperceptible electronics that you cannot see or feel
3dResearchers from Osaka University fabricated transparent, ultrathin, flexible sensors with cross-aligned silver nanowire microelectronics fabricated using print technique that would be inexpensive and straightforward to mass-produce. This advance will find much use in biometrics and many other applications that require underlying visual observation.
Stress in adolescence leads to learning and memory difficulties and increased anxiety in adulthood
3dStress experienced around puberty (peripubertal) worsens learning and memory in adulthood, as well as anxiety related behavior, as shown by a study led by Dr Cristina Márquez, from the Neuronal Circuits of Social Behavior laboratory at the Neuroscience Institute in Alicante (Spain).
When chemistry with green light mimics what happens in life
3dTaking inspiration from nature, researchers at Queensland University of Technology in Australia and Ghent University in Belgium created a green light-stabilised 3D polymer structure that unfolds itself when left in darkness – the first reported example of a reversible, light-triggered process to fold polymers into single chain nanoparticles.
Little kids prefer fractal patterns from nature
3dBy the time children are three years old, they already have an adult-like preference for the visual fractal patterns common in nature, report researchers. That discovery emerged among children who've been raised in a world of Euclidean geometry , such as houses with rooms constructed with straight lines in a simple non-repeating manner, says the study's lead author Kelly E. Robles, a doctoral stu
Viruses, microscopy and fast radio bursts: 10 remarkable discoveries from 2020
3dNature, Published online: 14 December 2020; doi:10.1038/d41586-020-03514-8 Highlights from News &Views published this year.
COVID and 2020: An extraordinary year for science
3dNature, Published online: 14 December 2020; doi:10.1038/d41586-020-03437-4 The coronavirus pandemic shaped the year in research — from vaccines and treatments to campus shutdowns and virtual meetings.
2020 beyond COVID: the other science events that shaped the year
3dNature, Published online: 14 December 2020; doi:10.1038/d41586-020-03438-3 Mars missions, record-breaking wildfires and a room-temperature superconductor are among this year's top non-COVID stories.
A genetic control of stem cell differentiation and organ maintenance by induction of fat metabolism
3dFat metabolism (lipid metabolism) is the term used to describe the synthesis and degradation of lipids in cells. This is increasingly recognized as an important key process that could also influence the maintenance and differentiation of stem cells. It has already been shown that fat metabolism is important for the maintenance of stem cells in the blood.
Riparian forests in the savannah: Fires also threaten Brazil's second largest ecosystem
3dIn recent years, wildfires have become increasingly frequent in the Brazilian savannahs, also severely affecting the riparian forests. Investigations carried out with a scientist from the University of Hohenheim in Stuttgart have now shown how great the threat to these sensitive ecosystems actually is: "The loss here is even worse than in the tropical rainforest of the Amazon, because the area aff
A genetic control of stem cell differentiation and organ maintenance by induction of fat metabolism
3dFat metabolism (lipid metabolism) is the term used to describe the synthesis and degradation of lipids in cells. This is increasingly recognized as an important key process that could also influence the maintenance and differentiation of stem cells. It has already been shown that fat metabolism is important for the maintenance of stem cells in the blood.
Riparian forests in the savannah: Fires also threaten Brazil's second largest ecosystem
3dIn recent years, wildfires have become increasingly frequent in the Brazilian savannahs, also severely affecting the riparian forests. Investigations carried out with a scientist from the University of Hohenheim in Stuttgart have now shown how great the threat to these sensitive ecosystems actually is: "The loss here is even worse than in the tropical rainforest of the Amazon, because the area aff
Green recovery must end the reign of GDP, argue Cambridge and UN economists
3dOur fixation with Gross Domestic Product for over half a century as the primary indicator of economic health has rendered nature "invisible" from national finances, intensifying the biosphere's destruction by omitting its value from the systems that govern us.
Galactic archaeology: Astronomers are using stars as fossils to study the Milky Way
3dOur Milky Way is thought to be home to as many as 400 billion stars, one of which is, of course, our own sun. But how and when did these stars form, and where did they come from?
Are primordial magnetic field theories getting in a twist?
3dIn cosmic voids where the density of galaxies is far lower than standard, astronomers have observed weak magnetic fields that may provide a window into the early universe. The fields 10-17-10-10 G in magnitude with large coherence lengths of up to megaparsecs are thought to have their origins in the early universe, but so far it is unclear when or how they were generated. One hypothesis is that an
London and parts of SE England to enter toughest tier 3 Covid curbs
3dGovernment finds new variant of virus as area round capital sees 'exponential rise' in cases
Researchers find a better way to design metal alloys
3dA new system uses machine learning to analyze boundaries between crystal grains, allowing for the selection of desired properties in a new metal alloy.
New tool for watching and controlling neural activity
3dAn interdisciplinary team of scientists has created a new molecular tool to help us better understand the cellular basis of behavior.
Carolina Sandhills Salamander: New species added to species-rich North Carolina
3dAlready possessing more salamander species than any other state in the country with 63, North Carolina has just added one more to make it 64. The aptly named Carolina Sandhills Salamander (Eurycea arenicola) is found in association with springs, seepages and small blackwater streams of the Sandhills region of North Carolina.
New computational method validates images without 'ground truth'
3dResearchers have developed a computational method that allows them to determine not if an entire imaging picture is accurate, but if any given point on the image is probable, based on the assumptions built into the model.
tRNA fragments are involved in post-stroke immune reactions
3dFollowing a stroke, the immune system triggers an inflammatory reaction that can either overshoot or turn into an immune deficiency. Now, a team of researchers has shown that tRNA fragments play a role in this immune reaction. Fragments of tRNAs, which transport amino acids during protein synthesis ('transfer RNA'), were long merely considered cellular waste. The researcher's aim: To find new targ
Mxene-coated fabric could block harmful radiiation, electromagnetic waves
3dResearchers have reported that fabric coated with a conductive, two-dimensional material called MXene, is highly effective at blocking electromagnetic waves and potentially harmful radiation. The discovery is a key development for efforts to weave technological capabilities into clothing and accessories.
Challenges of fusing robotics and neuroscience
3dCombining neuroscience and robotic research has gained impressive results in the rehabilitation of paraplegic patients. A research team was able to show that exoskeleton training not only helped patients to walk, but also stimulated their healing process. With these findings in mind, a professor wants to take the fusion of robotics and neuroscience to the next level.
Strong social support decreases mental health problems in young adults
3dEarly adulthood, a transitional life stage marked by major changes in social roles and responsibilities, can bring with it an increase of mental health problems.
Male weeds may hold key to their own demise
3dScientists are getting closer to finding the genes for maleness in waterhemp and Palmer amaranth, two of the most troublesome agricultural weeds in the US. Finding the genes could enable new 'genetic control' methods for the weeds, which, in many places, no longer respond to herbicides.
Trapping nanoparticles with optical tweezers
3dResearchers demonstrate a novel tweezer design, which enabled them to trap fluorescent particles just 200 nanometers across for the first time.
Why 'lab-made' proteins have unusually high temperature stability
3dEfforts to enhance the ability of proteins to resist breaking down, or 'denaturing', at high temperatures is one of the hottest topics in biotech. Researchers have now identified some of the principles behind how this works, potentially opening up a raft of industrial applications for designer proteins.
How grasses conquered the sea
3dAbout 140 million years ago, some land plants succeeded in adapting to life in the sea. These seagrasses, which today consist of around 60 species, are important members of coastal ecosystems worldwide and provide food and habitat for numerous marine organisms. However, due to the intensive human use of the coasts, seagrass meadows are under severe threat. In order to protect them in the future, s
How grasses conquered the sea
3dAbout 140 million years ago, some land plants succeeded in adapting to life in the sea. These seagrasses, which today consist of around 60 species, are important members of coastal ecosystems worldwide and provide food and habitat for numerous marine organisms. However, due to the intensive human use of the coasts, seagrass meadows are under severe threat. In order to protect them in the future, s
Challenges of fusing robotics and neuroscience
3dCombining neuroscience and robotic research has gained impressive results in the rehabilitation of paraplegic patients. A research team was able to show that exoskeleton training not only helped patients to walk, but also stimulated their healing process. With these findings in mind, a professor wants to take the fusion of robotics and neuroscience to the next level.
Trapping nanoparticles with optical tweezers
3dResearchers demonstrate a novel tweezer design, which enabled them to trap fluorescent particles just 200 nanometers across for the first time.
Microbial super strains for high-quality biofertilizer
3dA pilot project at the International Islamic University Malaysia (IIUM) has produced high-quality biofertilizer by combining microbial super strains with food waste.
New ginger species found in Yunnan
3dZingiber, commonly known as ginger, is a perennial plant. It is one of the largest genera in Zingiberaceae with about 150 species distributed in tropical to warm-temperate Asia.
Study finds largely Black cities are over- or under-policed
3dExpanding the size of police forces in mid- to large-sized U.S. cities leads to lowered homicide numbers as well as an increase in arrests for low-level crimes such as liquor violations or disorderly conduct, a University of Oregon-led study finds.
Microbial super strains for high-quality biofertilizer
3dA pilot project at the International Islamic University Malaysia (IIUM) has produced high-quality biofertilizer by combining microbial super strains with food waste.
New ginger species found in Yunnan
3dZingiber, commonly known as ginger, is a perennial plant. It is one of the largest genera in Zingiberaceae with about 150 species distributed in tropical to warm-temperate Asia.
No common denominator in international taxation discourse
3dLarge companies that sell their products and services worldwide, but do not pay income taxes on revenues generated in countries other than their own, are the reason why many are calling for new tax regulations. For legal expert Daniel Blum, the unproductive back and forth of arguments is rooted in different schools of thought that have no common denominator. – This insight is the result of several
What's behind the gender imbalance in top-level chess?
3dUnlike the wildly popular Netflix chess-themed series "The Queen's Gambit," female players have struggled to climb to the top of the real-life chess world. Just 37 of the more than 1,600 international chess grandmasters are women. The current top-rated female, Hou Yifan, is ranked 89th in the world, while the reigning women's world champion Ju Wenjun is 404th.
The moon controls the release of methane in Arctic Ocean
3dThe moon controls one of the most formidable forces in nature – the tides that shape our coastlines. Tides, in turn, significantly affect the intensity of methane emissions from the Arctic Ocean seafloor. High tides may even counter the potential threat of submarine methane release from the warming Arctic.
Chronic stress? Zebrafish to the rescue
3dA team of researchers led by MIPT's Allan Kalueff has studied chronic stress in zebrafish and determined that the animal can serve as a valuable model species for research into the associated brain diseases, complementing research currently done on rodents. The paper was published in Scientific Reports.
What makes peppers blush
3dBright red, tasty and healthy, that's how we know and love bell peppers. In a first, the team headed by Professor Sacha Baginsky from the Chair for Plant Biochemistry at Ruhr University (RUB) has deciphered in detail at the protein level what makes them turn red as they ripen. At the heart of the project are the so-called plastids, typical plant cell organelles in which chlorophyll is broken down
'Boss' genes could save human hearts – and the reef
3dUQ researchers have revealed rare decision-making genes in cells, which control how cells develop and respond to stress caused by disease or their environment. Researchers hope that in the future, they may be able to block a cell's bad decisions to prevent disease.
Changes in drinking contexts: adolescents' nightly alcohol use
3dNew research from the Prevention Research Center of the Pacific Institute for Research and Evaluation and the Illinois State University examines changes in adolescent drinking over the course of the evening.
Indonesia wants to lure SpaceX to build rocket launch site
3dIndonesia has invited Tesla boss Elon Musk to build a launch site for his SpaceX's rocket in the Southeast Asian country, pointing out the benefits of a location next to the equator, officials said.
Researchers report evidence for two main domestication paths for bread yeast
3dA team of researchers affiliated with multiple institutions in France has found evidence for two main domestication paths for bread yeast. In their paper published in the journal Current Biology, the group studied the chromosomes of hundreds of commercial and sourdough yeast strains.
Below-average fires in 2020 despite monster blazes: EU
3dThere was a lower-than-average number of wildfires in 2020 despite hotspots such as California and Australia being hit by blazes of unprecedented intensity, the European Union's satellite monitoring service said Monday.
Venus was once more Earth-like, but climate change made it uninhabitable
3dWe can learn a lot about climate change from Venus, our sister planet. Venus currently has a surface temperature of 450℃ (the temperature of an oven's self-cleaning cycle) and an atmosphere dominated by carbon dioxide (96 percent) with a density 90 times that of Earth's.
Study explores a unique filament of the Cygnus X complex
3dUsing the Shanghai 65-m TianMa Radio Telescope (TMRT), Chinese astronomers have investigated a gas filaments of the Cygnus X molecular cloud complex known as DR21SF. Results of the new study, presented in a paper published December 4, shed more light on the properties of this unique structure.
Researchers report evidence for two main domestication paths for bread yeast
3dA team of researchers affiliated with multiple institutions in France has found evidence for two main domestication paths for bread yeast. In their paper published in the journal Current Biology, the group studied the chromosomes of hundreds of commercial and sourdough yeast strains.
Black 'sand-like' asteroid dust found in box from Japan probe
3dBlack sandy dust found in a capsule brought to Earth by a Japanese space probe is from the distant asteroid Ryugu, scientists confirmed after opening it on Monday.
The Best Fantasy Books of an Unfantastic Year
3dIn the midst of a global pandemic, the genre got a lot more real.
'Boss' genes could save human hearts – and the reef
3dThe chain of command inside human cells is similar to the way a factory is run, two University of Queensland researchers say.
Thinking afresh about how cells respond to stress
3dJust like people, cells get stressed too. A sudden drop in oxygen, overheating, or toxins can trigger a cascade of molecular changes that lead cells to stop growing, produce stress-protective factors, and form stress granules—proteins and RNA molecules huddled together into membrane-less organelles. Although the function of stress granules remains largely unknown, it is assumed that they contain o
Researchers pinpoint more precise method for atomic-level manufacturing
3dQuantum computers have the potential to transform fields such as medicine, cybersecurity and artificial intelligence by solving hard optimization problems that are beyond the reach of conventional computing hardware.
'Boss' genes could save human hearts – and the reef
3dThe chain of command inside human cells is similar to the way a factory is run, two University of Queensland researchers say.
Physicists create time-reversed optical waves
3dOptics researchers from The University of Queensland and Nokia Bell Labs in the US have developed a new technique to demonstrate the time reversal of optical waves, which could transform the fields of advanced biomedical imaging and telecommunications.
Thinking afresh about how cells respond to stress
3dJust like people, cells get stressed too. A sudden drop in oxygen, overheating, or toxins can trigger a cascade of molecular changes that lead cells to stop growing, produce stress-protective factors, and form stress granules—proteins and RNA molecules huddled together into membrane-less organelles. Although the function of stress granules remains largely unknown, it is assumed that they contain o
Strengths and vulnerabilities of teen skateboarders
3dMore young people are opting for skateboards as a mode of transport, with fewer choosing to get their driver license, and more needs to be done to protect them on the road, a University of Otago study has found.
Ancient weather patterns in Europe
3dA landmark study led by the University of Aberdeen has provided the clearest ever picture of ancient weather patterns in Europe—and could improve models used to predict how climate change will affect the Continent in future.
Grasping exponential growth
3dMost people underestimate exponential growth, including when it comes to the spread of the coronavirus. The ability to grasp the magnitude of exponential growth depends on the way in which it is communicated. Using the right framing helps to understand the benefit of mitigation measures, especially during a pandemic.
Not so fast!: controlling the speed of light bullets
3dResearchers from Osaka University accurately and arbitrarily control flying velocities of light bullets, offering new opportunities for optical and physical applications.
Hinder handing the message — stopping tumors from creating new blood vessels
3dResearchers from Tokyo Medical and Dental University (TMDU) have found that vasohibin-1 (VASH1), a protein known to prevent the formation of new blood vessels, acts by changing the conditions of microtubules which bring blocking the certain signal from outside through encumbering transport of its message to the inner of cell. The unique function of this protein can inhibit tumor cells from spreadi
Mangroves lock away carbon
3dResearchers uncover an overlooked process enhancing the carbon-removal potential of mangroves.
Author Correction: Multifunctional light beam control device by stimuli-responsive liquid crystal micro-grating structures
3dScientific Reports, Published online: 14 December 2020; doi:10.1038/s41598-020-79343-6
Author Correction: Positive-negative tunable liquid crystal lenses based on a microstructured transmission line
3dScientific Reports, Published online: 14 December 2020; doi:10.1038/s41598-020-79341-8
Betelgeuse: The Supernova That Wasn't
3dOne of the brightest stars in our sky darkened, and soon there was talk of a supernova.
World's Largest Fusion Reactor Begins Assembly
3dThe pieces are finally coming together on the long-delayed ITER experiment to create nuclear fusion — Read more on ScientificAmerican.com
Hibernating lemurs may be the key to cryogenic sleep for human space travel
3dScience fiction is shifting into reality. With humanity's plans to return to the moon this decade and further ambitions to travel to Mars in the next, we need to figure out how to keep astronauts healthy for these years-long missions. One solution long championed by science fiction is suspended animation, or putting humans in a hibernation-like sleep for the duration of travel time.
When chemistry with green light mimics what happens in life
3dScientists frequently look at how molecules behave in nature to help them design chemical processes, and that's what QUT and Ghent University researchers did to create a green light-stabilized 3-D polymer structure that unfolds itself when left in darkness.
Nanoparticles, from hype to actual clinical product
3dPh.D. candidate Jaleesa Bresseleers, of the TU/e department of Biomedical Engineering, investigated a robust and scalable manufacturing process for nanocarriers and their building blocks. With these insights, the road to widely available clinical applications for nanocarriers has become much shorter.
Rapeseed research challenges previous thinking on flowering time
3dResearch has shed new light on the molecular mechanisms that allow crops to synchronize flowering with favorable conditions.
Controlling the speed of light bullets
3dThough it sounds like something straight out of science fiction, controlling the speed of light has in fact been a long-standing challenge for physicists. In a study recently published in Communications Physics, researchers from Osaka University generated light bullets with highly controllable velocities.
Researchers uncover an overlooked process enhancing the carbon-removal potential of mangroves
3dHigh levels of dissolved calcium carbonate present in their bedrock indicate that Red Sea mangroves are capable of removing more carbon than previously thought, KAUST researchers have found. The study's findings highlight the need to consider calcium carbonate dissolution in mangroves growing on carbonate platforms as an important carbon storage mechanism.
New gene family of antimicrobial proteins discovered in German cockroaches
3dResearchers from The Institute for Integrative Systems Biology have discovered a new gene family of antimicrobial peptides (small proteins) –the Blattellicins– in a German cockroach (Blattella germanica). The study, published in the journal Scientific Reports, may help to understand how these insects can live in unsanitary environments and defend themselves against the fungal and bacterial pathoge
Rapeseed research challenges previous thinking on flowering time
3dResearch has shed new light on the molecular mechanisms that allow crops to synchronize flowering with favorable conditions.
New gene family of antimicrobial proteins discovered in German cockroaches
3dResearchers from The Institute for Integrative Systems Biology have discovered a new gene family of antimicrobial peptides (small proteins) –the Blattellicins– in a German cockroach (Blattella germanica). The study, published in the journal Scientific Reports, may help to understand how these insects can live in unsanitary environments and defend themselves against the fungal and bacterial pathoge
Finding the best crop traits just got easier
3dIn a future not far away, a drone sweeps over a wheat crop and, by detecting leaf reflectance, sends a signal to the laptop of a crop breeder sitting in the shade. The signal shows her which plants contain the best genes to survive the next predicted long summer drought.
Is there a way to detect strange quark stars even though they look like white dwarfs?
3dMatter is built around quarks, forming the nuclei of the atoms and molecules. While there are six types of quarks, regular matter contains only two: up quarks and down quarks. Protons contain two ups and a down, while neutrons contain two downs and an up. On Earth, the other four types are only seen when created in particle accelerators. But some of them could also appear naturally in dense object
Finding the best crop traits just got easier
3dIn a future not far away, a drone sweeps over a wheat crop and, by detecting leaf reflectance, sends a signal to the laptop of a crop breeder sitting in the shade. The signal shows her which plants contain the best genes to survive the next predicted long summer drought.
Direct image of newly discovered brown dwarf captured
3dAstronomers using two Maunakea Observatories—Subaru Telescope and W. M. Keck Observatory—have discovered a key benchmark brown dwarf orbiting a sun-like star just 86 light-years from Earth that provides a key reference point for understanding the properties of the first directly-imaged exoplanets.
A young but completely evolved entirely self-made galaxy
3dSo young and already so evolved: Thanks to observations obtained at the Large Binocular Telescope, an international team of researchers coordinated by Paolo Saracco of the Istituto Nazionale di Astrofisica (INAF, Italy) was able to reconstruct the wild evolutionary history of an extremely massive galaxy that existed 12 billion years ago, when the universe was only 1.8 billion years old, less than
Elektronik og mekanik under samme tag
3dPLUS. SDU samler forskning og uddannelser i mekanik og elektronik på et nyt institut i håbet om at tiltrække flere studerende til syddanske industrivirksomheder.
Will the Slender-Yoke Moss Be Saved?
3dIn the crush of conservation priorities, scientists grapple with how to help an endangered species with no obvious value
Longevity hotspots in a world of trees: From bioecological research to environmental protection
3dIn a Tansley Review just published by New Phytologist, Gianluca Piovesan and Franco Biondi discuss tree longevity and the factors that favor a long lifespan in wood-forming plants.
Sheets of carbon nanotubes come in a rainbow of colors
3dNanomaterials researchers in Finland, the United States and China have created a color atlas for 466 unique varieties of single-walled carbon nanotubes.
Longevity hotspots in a world of trees: From bioecological research to environmental protection
3dIn a Tansley Review just published by New Phytologist, Gianluca Piovesan and Franco Biondi discuss tree longevity and the factors that favor a long lifespan in wood-forming plants.
As schools went online, food insecurity plans fell to the side
3dA new study examines the responses of child nutrition administrative agencies as schools across the United States moved to online learning or hybrid models due to the COVID-19 pandemic. "Our study aims to gather information on how states, territories, and Washington, DC, communicated with jurisdictions effectively to provide time-sensitive information on school meal programs as a result of the CO
Arab nations first to approve Chinese COVID vaccine — despite lack of public data
3dNature, Published online: 14 December 2020; doi:10.1038/d41586-020-03563-z The United Arab Emirates and Bahrain say the vaccine is 86% effective, but scientists would like to see data to support the claim.
Hubble Finds Exoplanet That Could Mirror Planet Nine
3dThis 11-Jupiter-mass exoplanet called HD106906 b occupies an unlikely orbit around a double star 336 light-years away and it may be offering clues to something that might be much closer to home: a hypothesized distant member of our Solar System dubbed "Planet Nine." This is the first time that astronomers have been able to measure the motion of a massive Jupiter-like planet that is orbiting very
How to Observe Today's Total Solar Eclipse From Anywhere
3d1/60 sec exposure of TSE 2019 at ISO 800 @ f/6.3 taken with a Sony A7r and a Sony 75-300mm lens set to 300mm by Tony Hoffman from near Iglesia, Argentina Today, Dec. 14, observers along a narrow path in northern Patagonia, crossing Chile and Argentina, will witness one of nature's most spectacular phenomena: a total eclipse of the Sun. Such an event usually draws travelers from around the world.
How repeat diarrhea could lead to nutritional problems
3dNew findings on E. coli offer a clue to why recurrent but short-lived episodes of diarrhea could lead to long-term nutritional problems. For people in wealthy countries, diarrhea is usually nothing more than an uncomfortable inconvenience for a few days. But for a poor child in a developing country, repeated bouts of diarrhea can lead to serious health consequences such as malnutrition, stunted g
mRNA Vaccines
3dThis week should see the first people in the US to actually receive an approved (at least EUA) vaccine to prevent SARS-CoV-2. There are three vaccines currently ready to go in the West, the Pfizer vaccine which received it's EUA in the US on Friday and was already approved in the UK, Moderna which should get approval this week, and the Astra Zeneca vaccine which should not be too far behind. The
Conferences After Covid Will Be Shorter—and Smarter
3dIn-person gatherings will resume eventually, but innovations born during the pandemic will remain.
An AI Used Facebook Data to Predict Mental Illness
3dVolunteers let an AI scan their messages from more than a year before they received a psychiatric diagnosis. It was able to flag signs of their conditions.
The best Secret Santa websites, ranked
3dThis year we're doing this—only through a screen. (Kira auf der Heide / Unsplash/) This holiday season has been rough. Cases of COVID-19 are surging across the country , and both the federal government and local authorities in multiple states have asked people to forgo Christmas parties and celebrate at home. That doesn't mean gift-giving is cancelled, though. Some websites have been doing digita
This Online Platform Makes It Easy for Anyone To Invest in Real Estate
3dWhether you're the CEO of a Fortune 500 company or a public school teacher, diversification the key to building a solid long term investment portfolio. That said, for a long time there were two different sets of rules governing what sorts of assets you could invest in: the set of rules that regular people had to play by, and the set of rules that the ultra rich had to play by. But now things are
To the moon and back, Chinese R&D is leaving the US behind
3dIt's telling that the same day a Chinese rocket collected lunar rocks, a key US radio telescope collapsed
"Coronastrategin var en strategi för en homogen befolkning"
3dMigranterna hade en livsstil och ett sätt att leva som inte förväntades inom den svenska strategin. Det ser ut som om de ansvariga helt missade detta i sina förberedelser, säger Komalsingh Rambaree, docent i socialt arbete vid Högskolan i Gävle. Komalsingh Rambaree är vice president för International Consortium for Social Development (ICSD) och styrelseledamot i Internationella rådet för social v
Legal researcher up to 23 retractions for false affiliations, plagiarism
3dA legal scholar with a peripatetic and checkered career — and questionable CV — now has 23 retractions by our count. Dimitris Liakopoulos, about whom we first wrote in July, has claimed to have held professorships in Europe and the United States, including at Columbia Law School, Stetson University and Tufts University, as well as … Continue reading
What Life in NASA's Mars Simulator on Hawaii's Mauna Loa Volcano Is Like
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Anyone hungry for an egg powder omelet?
These Drugs Might Prevent Severe COVID
3dEven with vaccines on the way, treatments are needed to prevent the disease from getting worse—and to be ready for COVID-25, COVID-37, and so on — Read more on ScientificAmerican.com
These Drugs Might Prevent Severe COVID
3dEven with vaccines on the way, treatments are needed to prevent the disease from getting worse—and to be ready for COVID-25, COVID-37, and so on — Read more on ScientificAmerican.com
Dressed for the Plague. No, Not This One.
3dAlexandra Vega calls her four pet leeches "the Squish Squad." They eat once every six months; yes, they drink blood; and yes, she lets them feed on her body. They're her friends! The leeches, named Chungus, Burrito, Wormitha, and Chocolate Chip, live in a fishbowl, but they're curious about the world. "They each have their own personalities," Vega, a 22-year-old biology student, told me. "Which a
Dear Therapist: I Was the Other Woman
3dEditor's Note: Every Monday, Lori Gottlieb answers questions from readers about their problems, big and small. Have a question? Email her at dear.therapist@theatlantic.com . Dear Therapist, This is the age-old story of a younger woman meeting an older, married man at work. I was aware that he was married with kids. He was always very active on social media, and often I thought, What a cute family
20 Great Green Monday Deals on Apple, Bose, Sonos, and More
3dWhether you've heard of this retail holiday or not, you should check out these tech deals.
26 of the Best Books WIRED Read in 2020
3dFrom pig poop to sunscreen to poker to hackers, the books we love dive deep to tell smart stories about how the world works.
This 'Invisible' Charger Juices Your Phone Through Your Desk
3dKew Labs' unique charger installs under your desk, where it sends electrons to your phone wirelessly through the tabletop.
Mass Transit Is in Jeopardy—and So Are Cities
3dSubways and buses are the lifeblood of dense cities like New York. If the system withers, the region becomes a less attractive place to live and work.
'Is anybody in there?' Life on the inside as a locked-in patient – podcast
3dJake Haendel spent months trapped in his body, silent and unmoving but fully conscious. Most people never emerge from 'locked-in syndrome', but as a doctor told him, everything about his case is bizarre by Josh Wilbur Continue reading…
Ocean heatwave has triggered new toxic algal blooms on the US west coast
3dFishermen, swimmers and seafood enthusiasts may already know the dangers of "red tides," but a recent study in Frontiers in Climate shows that climate change is increasing the frequency of one type of highly toxic algal bloom off the US west coast. These algae produce a neurotoxin—called domoic acid—that causes severe and potentially lethal digestive and neurological symptoms. This threat to marin
Vattenfall får – igen – tilladelse til at bygge to kystnære havmølleparker
3dPLUS. Efter analyse af nye miljøkonsekvens-rapporter har Energistyrelsen i dag givet Vattenfall tilladelse til at etablere kystmølleparkerne Vesterhav Syd og Vesterhav Nord, når fire ugers klagefrist er udløbet.
Stop Arguing over GMO Crops
3dThe vast majority of the scientific community agrees on both their safety and their potential to help feed the world sustainably — Read more on ScientificAmerican.com
Manliga chefer negativare till depression
3dDet är högre andel manliga än kvinnliga chefer som har negativ attityd till medarbetare med depression. Negativiteten ökar ju högre chefsroll man har, både hos män och kvinnor. Båda könen upplever sig också stressade med deprimerade medarbetare. Studien, som är publicerad i BMC Public Health , bygger på en webbaserad enkät och omfattar 2 663 chefer varav 901 kvinnor och 1 762 män. Studien tar spe
Fauci Explains How to End the COVID Pandemic
3dThe country's leading expert on infectious diseases shares his thoughts on resolving the current public health crisis and preparing for the next — Read more on ScientificAmerican.com
How a Spreadsheet Could Change the Criminal-Justice System
3dJudges have various restrictions on what they can say publicly, and for that reason, you don't often hear our voices in contemporary public-policy debates. But as momentum builds to address deep inequities in our criminal-justice system, we feel it's important to highlight a problem lurking in the background that could jeopardize these efforts: Many court systems lack basic data about themselves,
Hur klimatvänlig kan en ko bli?
3dAtt nötdjurs klimatpåverkan är betydligt större än exempelvis höns är ju numer välkänt. Men gäller det oavsett hur de föds upp, eller är det stor skillnad på till exempel gräsbetande boskap och boskap som får kraftfoder? Hur klimatvänlig kan en ko bli under rätt förutsättningar? /Gunnar Sjörs
Fauci Explains How to End the COVID Pandemic
3dThe country's leading expert on infectious diseases shares his thoughts on resolving the current public health crisis and preparing for the next — Read more on ScientificAmerican.com
How bits of 'glass' take shape inside a cell
3dNature, Published online: 14 December 2020; doi:10.1038/d41586-020-03546-0 Odd protein droplets that behave like liquids make a smooth shift to having the properties of a solid.
The best science images of 2020
3dNature, Published online: 14 December 2020; doi:10.1038/d41586-020-03436-5 A new virus, wafer-thin solar cells, gene-edited squid and more.
London likely to enter tier 3 Covid restrictions to curb surge in cases
3dPubs, restaurants and bars may close week before Christmas to stem rising number of cases in capital Coronavirus – latest updates See all our coronavirus coverage Tier 3 lockdown rules in England London is likely to be put under tougher coronavirus restrictions this week in order to contain surging cases in the capital, the Guardian understands. The health secretary, Matt Hancock will give a stat
The Atlantic's January/February Cover Story
3dWhen COVID-19 slowed the world to a halt in March, the scientific enterprise pivoted, with more researchers than ever focusing on a single problem at once. Their successes suggest that the end of the pandemic is now in sight, but science will never be the same. Staff writer Ed Yong 's " How Science Beat the Virus ," appearing on The Atlantic 's January/February cover, is the most complete account
Ocean heatwave has triggered new toxic algal blooms on the US west coast
3dOcean warming has created a toxic hotspot of harmful algae on the west coast of the US, shows a new study led by the US National Oceanic and Atmospheric Administration's (NOAA) Northwest Fisheries Science Center. The neurotoxins produced by these algae poison marine wildlife and humans, and researchers and local communities are learning to forecast and adapt to these recurring environmental hazard
Pregnant in the pandemic? It helps to have good Wi-Fi.
3dAs covid-19 has taken over the US, medical providers have looked for any possible way to keep people home and out of hospitals without compromising care. We're only now coming to grips with the unintended consequences of changes meant to slow the spread of the coronavirus and relieve strain on the medical system. One of the most significant is that millions of women and babies have become subject
Virus i havet har släktingar i människans tarm
3dEtt virus i Östersjön, som är nära släkt med ett virus i människans tarm, visade sig ha ett enzym som liknar det i flercelliga organismer. Nämligen ett RNA-polymeras, det som används för att förvandla gener till proteiner. – Det är spännande resultat. Det tyder på att vissa RNA-polymeras i flercelliga organismer, dit även människor tillhör, kan ha sitt ursprung hos virus, säger Karin Holmfeldt, d
The Professor and the Madman
3dJoseph Epstein's record of provocation and self-disgracing is long but not unbroken. To start with something positive: He revived the reputation of one of my favorite style guides, a book by F. L. Lucas that advises writers to avoid writing "in the weary monotone of a fretful midge." Sure enough, he wrote with fearless gusto an op-ed in The Wall Street Journal this weekend, advising Jill Biden, a
How Science Beat the Virus
3dThis article was published online on December 14, 2020. 1. In fall of 2019, exactly zero scientists were studying COVID‑19, because no one knew the disease existed. The coronavirus that causes it, SARS‑CoV‑2, had only recently jumped into humans and had been neither identified nor named. But by the end of March 2020, it had spread to more than 170 countries, sickened more than 750,000 people, and
A Bolivian 'Cloud Forest' Reveals a Bonanza of New Species
3dAn expedition into a steep, remote mountain area unveils discoveries of strange frogs, snakes, and plants—and the return of species thought to be extinct.
Minister vil undersøge anvendelsen af 'støj-kameraer' i Danmark
3dPLUS. Kameraer, der overvåger støjniveauet fra biler og motorcykler, er værd at undersøge nærmere, lyder det fra transportministeren, som har bedt Færdselsstyrelsen om en redegørelse.
The role of polygenic risk and susceptibility genes in breast cancer over the course of life
3dNature Communications, Published online: 14 December 2020; doi:10.1038/s41467-020-19966-5 Identifying women at high risk of breast cancer has important implications for screening. Here, the authors demonstrate that polygenic risk scores improve breast cancer risk prediction in the population, in women with mutations in high-risk genes and in women with close relatives with the disease.
Treatment of COVID-19 with remdesivir in the absence of humoral immunity: a case report
3dNature Communications, Published online: 14 December 2020; doi:10.1038/s41467-020-19761-2 Remdesivir is under evaluation for treatment of COVID-19 in clinical trials. Here, the authors report results of remdesivir treatment in a patient with COVID-19 and the genetic antibody deficiency XLA. They show a temporally correlated clinical and virological response, suggesting that remdesivir can reduce
Isolation of a member of the candidate phylum 'Atribacteria' reveals a unique cell membrane structure
3dNature Communications, Published online: 14 December 2020; doi:10.1038/s41467-020-20149-5 A key feature that differentiates prokaryotic cells from eukaryotes is the absence of an intracellular membrane surrounding the chromosomal DNA. Here, the authors isolate a member of the ubiquitous, yet-to-be-cultivated bacterial phylum 'Candidatus Atribacteria' that has an intracytoplasmic membrane apparent
Detection of eye contact with deep neural networks is as accurate as human experts
3dNature Communications, Published online: 14 December 2020; doi:10.1038/s41467-020-19712-x Eye contact is a key social behavior and its measurement could facilitate the diagnosis and treatment of autism. Here the authors show that a deep neural network model can detect eye contact as accurately has human experts.
Spectral extension and synchronization of microcombs in a single microresonator
3dNature Communications, Published online: 14 December 2020; doi:10.1038/s41467-020-19804-8 Broadband frequency combs are a key enabling technology for frequency metrology and spectroscopy. Here, the authors demonstrate that the spectrum of a soliton microcomb can be extended by bichromatic pumping resulting in two combs that synchronize their repetition rate via cross-phase modulation.
Activation of the IRE1 RNase through remodeling of the kinase front pocket by ATP-competitive ligands
3dNature Communications, Published online: 14 December 2020; doi:10.1038/s41467-020-19974-5 The RNase activity of Inositol-Requiring Enzyme 1 (IRE1) can be allosterically regulated by ATP-competitive inhibitors of the IRE1 kinase domain. Here, the authors identify ATP-competitive IRE1 RNase activators with improved selectivity and cellular activity, and elucidate their mechanism of action.
Revealing 3D magnetization of thin films with soft X-ray tomography: magnetic singularities and topological charges
3dNature Communications, Published online: 14 December 2020; doi:10.1038/s41467-020-20119-x Although magnetic tomography has been used in the past to determine the 3D magnetization of materials its application to thin films remains challenging. Here the authors reconstruct the magnetization of a thin film, enabling the measurement of topological charges of magnetic singularities.
Why many countries failed at COVID contact-tracing — but some got it right
3dNature, Published online: 14 December 2020; doi:10.1038/d41586-020-03518-4 Rich nations have struggled with one of the most basic and important methods for controlling infectious diseases.
Without Clear Pandemic Rules, People Take On More Risks As Fear And Vigilance Wane
3dOfficials may be relying on people to do their part to stop the spread of COVID-19 at a time when the public is simply not afraid enough anymore to keep up the recommended behaviors. (Image credit: Kimberly Paynter/WHYY)
Sperm biology and male reproductive health
3dScientific Reports, Published online: 14 December 2020; doi:10.1038/s41598-020-78861-7 Sperm are unique cells, produced through the complex and precisely orchestrated process of spermatogenesis, in which there are a number of checkpoints in place to guarantee delivery of a high-quality and high-fidelity DNA product. On the other hand, reproductive pressure in males means that to produce more is,
Characterization of Enterococcus faecalis in different culture conditions
3dScientific Reports, Published online: 14 December 2020; doi:10.1038/s41598-020-78998-5
Development of immunohistochemistry and in situ hybridisation for the detection of SARS-CoV and SARS-CoV-2 in formalin-fixed paraffin-embedded specimens
3dScientific Reports, Published online: 14 December 2020; doi:10.1038/s41598-020-78949-0
Effectiveness of transfer learning for enhancing tumor classification with a convolutional neural network on frozen sections
3dScientific Reports, Published online: 14 December 2020; doi:10.1038/s41598-020-78129-0
Upregulation of PI3K/AKT/PTEN pathway is correlated with glucose and glutamine metabolic dysfunction during tamoxifen resistance development in MCF-7 cells
3dScientific Reports, Published online: 14 December 2020; doi:10.1038/s41598-020-78833-x
Kinetics and thermodynamics of hydrolysis of crystal violet at ambient and below ambient temperatures
3dScientific Reports, Published online: 14 December 2020; doi:10.1038/s41598-020-78937-4
Relationship between fatty pancreas and hypertriglyceridemic waist phenotype: a cross-sectional study
3dScientific Reports, Published online: 14 December 2020; doi:10.1038/s41598-020-78883-1
Effects of wood resource size and decomposition on hyphal outgrowth of a cord-forming basidiomycete, Phanerochaete velutina
3dScientific Reports, Published online: 14 December 2020; doi:10.1038/s41598-020-79058-8
Coronavirus: key moments – timeline
3dFrom December 2019, when an unknown virus was found in China, to the release of vaccines for Covid-19 – here are the points where momentum shifted From December 2019, when an unknown virus was found in China, to the release of vaccines for Covid-19, it has been an extraordinary year. Here's how the momentum shifted Continue reading…
Remdesivir likely to be highly effective antiviral against SARS-CoV-2
3dThe drug remdesivir is likely to be a highly effective antiviral against SARS-CoV-2, according to a new study by a team of UK scientists. Writing in Nature Communications , the researchers describe giving the drug to a patient with COVID-19 and a rare immune disorder, and observing a dramatic improvement in his symptoms and the disappearance of the virus.
Sheets of carbon nanotubes come in a rainbow of colours
3dNanomaterials researchers in Finland, the United States and China have created a colour atlas for 466 unique varieties of single-walled carbon nanotubes.
A smart ring shows it's possible to detect fever before you feel it
3dAdvance could pave the way for early warning system on COVID-19 and flu using wearables.
Wearable sensor may signal you're developing COVID-19 – even if your symptoms are subtle
3dA smart ring that generates continuous temperature data may foreshadow COVID-19, even in cases when infection is not suspected. The device, which may be a better illness indicator than a thermometer, could lead to earlier isolation and testing, curbing the spread of infectious diseases, according to a preliminary study led by UC San Francisco and UC San Diego.
High blood pressure at any age, no matter how long you have it, may speed cognitive decline
3dMemory, concentration and other cognitive functions decline faster among middle-aged and older adults who have high blood pressure than those who do not. Even seemingly slight blood pressure elevation during middle and older age is linked to a faster decline in cognition.
CureVac launches large-scale Covid vaccine trial
3dGerman biotech group plans to test shot on 35,000 participants across Europe and Latin America
Mind uploading: Can we become immortal?
3dTechnology has evolved to a point where humans have overridden natural selection. So what will our species become? Immortal interstellar travelers, perhaps. Scientists are currently mapping the human brain in an effort to understand the connections that produce consciousness. If we can re-create consciousness, your mind can live on forever. You could even laser-port your consciousness to differen
Dansk professor skal undersøge COVID-19's oprindelse i Wuhan
3dSom en del af en større international forskningsgruppe udsendt af WHO skal forskningschef Thea Kølsen Fischer til Wuhan i begyndelsen af det nye år for at finde oprindelsen af COVID-19. Hvor længe hun bliver, og om arbejdet leder hende til andre lande, ved hun intet om.
Skoleledere langer ud efter Aula: »Har på ingen måde gjort hverdagen lettere«
3dTo skoleledere kritiserer folkeskolernes kommunikationsplatform Aula, der afløste Skoleintra i efteråret 2019, for ulogiske arbejdsgange, manglende funktionaliteter, et dårligt beskedsystem og en dårlig overbliksfunktion.
Kidney Dialysis Is a Booming Business. Is it Also a Rigged One?
3dA bill signed last fall by California Governor Gavin Newsom seeks to prevent dialysis companies from increasing corporate profits through a scheme to bankroll patients' health care premiums. A last minute injunction blocked the bill, but the fight belies a bigger question: Can the system be fixed?
U.K. Blood Donation Rules for Gay and Bisexual Men Will Be Eased
3dThe new policy, which will take effect next summer, was described by Britain's health secretary as a landmark and by an activist as "a fundamental shift toward recognizing people are individuals."
CAR-T-celler kan lede til nye behandlinger af patienter med type 1-diabetes
3dForskere har udviklet CAR T-celler, der angriber de af immunforsvarets celler, som leder til udvikling af type 1-diabetes.
Omkostninger ved diabetiske følgesygdomme kan bruges bedre
3dHvis behandling af personer med type 2-diabetes følger guidelines til punkt og prikke, kan vi i Danmark spare millioner på udgifter til diabetiske følgesygdomme, viser ny forskning. Pengene kan eventuelt benyttes til at købe flere gode leveår til diabetespatienter, foreslår forskere.
Virgin-rumfartøj mistede forbindelse til motor og opgav rumtur
3dRumfartøjet VSS Unity, med to piloter om bord, nåede kun at have sin raketmotor tændt i et kort øjeblik, før den slukkede igen.
Japan's symbol of year nods to no-lockdown virus strategy
3dA written character that evokes everything people in Japan were urged to avoid this year—crowds, confined spaces and close contact with others—was on Monday voted the country's top linguistic symbol of 2020.
Antistoftest skal afsløre: Kom corona til Danmark allerede sidste år?
3dPLUS. Dansk projekt skal vise, om coronavirus også fandtes i Danmark før julen 2019, som det er opdaget i andre lande. Viden om dette kan bruges præventivt, vurderer forsker.
Sizewell C: Government in talks to fund £20bn nuclear plant
3dOfficials will hold discussions with France's EDF about funding the Sizewell C project in Suffolk.
Righting a wrong, nuclear physicists improve precision of neutrino studies
3dLed by the Department of Energy's Oak Ridge National Laboratory, a new study clears up a discrepancy regarding the biggest contributor of unwanted background signals in specialized detectors of neutrinos. Better characterization of background could improve current and future experiments to detect real signals from these weakly interacting, electrically neutral subatomic particles and understand th
Russia stages 'successful' second launch of new rocket
3dRussia on Monday conducted a second launch of its new heavy-class Angara rocket—the first developed after the fall of the Soviet Union—nearly six years after its maiden voyage.
Storms help Australia contain UNESCO heritage island fire
3dAustralian firefighters have managed to control a bushfire that burned more than half of the UNESCO world heritage-listed Fraser Island, around two months after a suspected illegal campfire sparked the blaze.
Social media use increases belief in COVID-19 misinformation
3dThe more people rely on social media as their main news source the more likely they are to believe misinformation about the pandemic, according to a recent survey analysis by Washington State University researcher Yan Su.
Research reveals unexpected insights into early dinosaur's brain, eating habits and agility
3dA pioneering reconstruction of the brain belonging to one of the earliest dinosaurs to roam the Earth has shed new light on its possible diet and ability to move fast.
Endangered-species decision expected on beloved butterfly
3dTrump administration officials are expected to say this week whether the monarch butterfly, a colorful and familiar backyard visitor now caught in a global extinction crisis, should receive federal designation as a threatened species.
Paradoxen som kan vara nyckeln till effektivare vaccin
3dNär ett nytt vaccin ska tillverkas använder man vanligtvis de delar av mikroorganismens yta där flest antikroppar fastnar. Men en ny, omfattande kunskapssammanställning landar i en annan och paradoxal slutsats: att vaccin tycks bli effektivare om istället mindre "populära" delar används. Också coronavaccin kan vinna på detta omvända angreppssätt.
Endangered-species decision expected on beloved butterfly
3dTrump administration officials are expected to say this week whether the monarch butterfly, a colorful and familiar backyard visitor now caught in a global extinction crisis, should receive federal designation as a threatened species.
It was inevitable that antivaxxers would claim that COVID-19 vaccines make females infertile
3dAntivaxxers have been claiming that vaccines cause female infertility for as long as I can remember. So it's not surprising that they are now claiming that COVID-19 vaccines will make women infertile. Their assertion is based on a highly speculative and incredibly unlikely immunologic mechanism. Same as it ever was. The post first appeared on Science-Based Medicine .
Can you solve it? The colourful truth about elves
3dLogic with Santa's little helpers UPDATE: Solution now up here Here's a logic puzzle that was sent in to me by a (very smart) 12-year-old. Four elves Glarald, Mnementh, Virthana and Tinsel are each wearing tunics of a different colour. At least one of these elves is a liar. (A liar is someone who says only statements that are untrue). During a break at elf school, the following conversation is ov
Maurice Hilleman – en okänd hjälte
3d"The Master of Vaccines" Det kan hävdas att en person har bidragit till att förse världen med vaccin mer än någon annan. Maurice Hilleman var amerikansk mikrobiolog som föddes 1919 […] The post appeared first on Vetenskap och Folkbildning .
Spiders in Space Reveal The Weird Things That Happen to Webs in Microgravity
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Amazing little arachnauts!
Digital technology reveals secrets of UK's earliest dinosaur
3dThecodontosaurus antiquus a nimble omnivore that ran on two legs, CT scans and 3D modelling suggest Britain's earliest dinosaur was a nimble omnivore that ran around on two legs, unlike its later relatives brontosaurus and diplodocus, research suggests. Standing at about the height of a 10-year-old child, and 1.5 metres in length with a long thin tail, Thecodontosaurus antiquus roamed the Earth d
Starwatch: 'Christmas star' is the closest great conjunction in almost 400 years
3dThe gas giants Jupiter and Saturn will soon align so closely in the south-western sky they may appear as one Continue reading…
South Korea weighs tougher Covid-19 restrictions to stem third wave
3dHealth experts say government reluctant to impose further curbs for fear of damaging economy
Social media use increases belief in COVID-19 misinformation
3dThe more people rely on social media as their main news source the more likely they are to believe misinformation about the pandemic, according to a survey analysis. The study also found that levels of worry about COVID-19 increased the strength of people's belief in that misinformation. Two factors weakened beliefs in false information: having faith in scientists and a preference for "discussion
Researchers reveal how our brains know when something's different
3dNIH scientists discovered how a set of high frequency brain waves may help us unconsciously know when something's different by comparing memories of the past with present experiences.
Molecule holds promise to reprogram white blood cells for better cancer treatment
3dCancer immunotherapy using "designer" immune cells has revolutionized cancer treatment. In this type of therapy, T cells, a type of white blood cell, are collected from a patient's blood and genetically engineered to produce T cells carrying a synthetic molecule termed chimeric antigen receptor (CAR) that enables T cells to recognize and destroy cancer cells. Then these genetically modified CAR T
Everything you want to know about sunscreen
3dFrom safety and effectiveness to who should use sunscreen and how to apply it, Canadian dermatologists review the latest evidence and guidelines on use of sunscreen. The review, published in CMAJ ( Canadian Medical Association Journal ), recommends that everyone older than six months of age should use sunscreen to protect against skin cancer
Scientists Identify Genetic Variants Linked to Risk of Getting Severe COVID-19
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This could help save lives.
Codebreakers Finally Crack The Zodiac Killer's Diabolical Cipher After 50 Years
3d"I hope you are having lots of fun in trying to catch me…"
Forsker efter teledata-skandale: »Vi er nødt til ikke at se digitale politibeviser som objektive«
3dNorge og Sverige er i skrivende stund i gang med at undersøge, hvor mange gange det danske rigspoliti har givet vores nabolande fejlbehæftede teledata.
Vind med Ingeniørens julekalender: 14. december
3dVær med i Ingeniørens julekalender 2020. Hver dag med nye præmier!
China's Sinopharm Covid vaccine: how effective is it and where will it be rolled out?
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3dFDA Pfizer Vaccine US
Trials have claimed 86% efficacy, but Peru has suspended tests because of 'an adverse event' and there is concern about lack of transparency Read all our coronavirus coverage here Trials in the United Arab Emirates have shown that China's Sinopharm vaccine has 86% efficacy. So what is the Chinese treatment, where is it being trialled and will it challenge the vaccines being developed in western c
Controlling multiple wavelengths of light from a single source
3dResearchers have synthesized a collection of nanoparticles, known as carbon dots, capable of emitting multiple wavelengths of light from a single particle. Additionally, the team discovered that the dispersion of the carbon dots, or the interparticle distance between each dot, influences the properties of the light the carbon dots emit. The discovery will allow researchers to understand how to con
Rewiring stroke survivors brains could alleviate depression
3dResearchers have made a major breakthrough in the treatment of depression after stroke, using a high frequency brain stimulation device to improve low moods.
'Pizza' can help address the dark matter mystery?
3dA research team developed a novel multiple-cell cavity ('pizza cavity') haloscope that will extend the axion search band to higher-frequency regions.
Controlling multiple wavelengths of light from a single source
3dResearchers have synthesized a collection of nanoparticles, known as carbon dots, capable of emitting multiple wavelengths of light from a single particle. Additionally, the team discovered that the dispersion of the carbon dots, or the interparticle distance between each dot, influences the properties of the light the carbon dots emit. The discovery will allow researchers to understand how to con
Artificial intelligence helps scientists develop new general models in ecology
3dThe automation of scientific discoveries is here to stay. Among others, a machine-human cooperation found a hitherto unknown general model explaining the relation between the area and age of an island and the number of species it hosts.
Scientists Just Set a New World Record in Solar Cell Efficiency
3dClean energy just keeps getting stronger.
Artificial intelligence helps scientists develop new general models in ecology
3dThe automation of scientific discoveries is here to stay. Among others, a machine-human cooperation found a hitherto unknown general model explaining the relation between the area and age of an island and the number of species it hosts.
Record resolution in X-ray microscopy
3dResearchers have succeeded in setting a new record in X-ray microscopy. With improved diffractive lenses and more precise sample positioning, they were able to achieve spatial resolution in the single-digit nanometer scale.
Last Interglacial: warming amplified in mountain environments
3dSpeleothems turned out to be a great stroke of luck: dripstones from two caves in the Swiss Alps provide for the first time a continuous reconstruction of temperatures during the Last Interglacial period. A new study shows that high alpine regions were affected by stronger temperature increases than lower altitudes.
New analysis method for predicting the risks and effects of immunotherapy
3dIn a new study, researchers have been able to show differences in how Rituximab, a monoclonal antibody drug, interacts with the blood of healthy individuals compared to patients with chronic lymphatic leukemia. This has awakened hopes that this analysis method could pave the way for important breakthroughs in immunotherapy research and treatment.
Artificial visual system of record-low energy consumption for the next generation of AI
3dResearchers have built an ultralow-power consumption artificial visual system to mimic the human brain, which successfully performed data-intensive cognitive tasks. Their experiment results could provide a promising device system for the next generation of artificial intelligence (AI) applications.
Artificial Chemist 2.0: quantum dot R&D in less than an hour
3dA new technology, called Artificial Chemist 2.0, allows users to go from requesting a custom quantum dot to completing the relevant R&D and beginning manufacturing in less than an hour. The tech is completely autonomous, and uses artificial intelligence and automated robotic systems to perform multi-step chemical synthesis and analysis.
Perovskite/silicon tandem solar cells on the magic threshold of 30% efficiency
3dScientists have set the current world record of 29.15% efficiency for a tandem solar cell made of perovskite and silicon. The tandem cell provided stable performance for 300 hours – even without encapsulation. To accomplish this, the group investigated physical processes at the interfaces to improve the transport of the charge carriers.
Different forms of sugar impact hunger-suppressing hormones in young adults
3dDrinks with sucrose compared to glucose may cause young adults to produce lower levels of appetite-regulating hormones, according to a new study.
Artificial Chemist 2.0: quantum dot R&D in less than an hour
3dA new technology, called Artificial Chemist 2.0, allows users to go from requesting a custom quantum dot to completing the relevant R&D and beginning manufacturing in less than an hour. The tech is completely autonomous, and uses artificial intelligence and automated robotic systems to perform multi-step chemical synthesis and analysis.
The Ghostly Ruins of Chernobyl May Soon Be Enshrined With World Heritage Status
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"The time has come to do this."
Evolution of tropical biodiversity hotspots: Look to harsh species-poor areas
3dResearchers argue that tropical species form faster in harsh species-poor areas but accumulate in climatically moderate areas to form hotspots of species diversity. Drawing on decades of expeditions and research in the tropics and the scientists' own knowledge and sampling of tropical bird diversity, the team assembled a large and complete phylogenomic dataset for a detailed investigation of tropi
Using CRISPR, new technique makes it easy to map genetic networks
3dScientists have developed an easy way to genetically profile a cell, including human cells, and rapidly determine all DNA sequences in the genome that regulate expression of a specific gene. This can help track down upstream genes that regulate disease genes, and potentially find new drug targets. The technique involves 'CRISPRing' the entire genome while giving each CRISPR guide RNA a unique barc
Atom-thin transistor uses half the voltage of common semiconductors, boosts current density
3dResearchers report a new, two-dimensional transistor made of graphene and molybdenum disulfide that needs less voltage and can handle more current than today's semiconductors.
Preschool program linked with better social and emotional skills years later
3dA preschool enrichment program helps boost social and emotional skills that still have positive effects years later during middle and high school, according to a new study.
Role of quantum vibrations in electron transfer
3dScientists are reporting evidence that quantum vibrations participate in electron transfer, establishing with ultrafast laser spectroscopy that the vibrations provide channels through which the reaction takes place. Seeking to establish an experimental proof for a highly contested topic – the role of vibrations in processes fundamental to solar energy conversion – researchers set out to map the pr
Natural environmental conditions facilitate the uptake of microplastics into living cells
3dThe environment is polluted by microplastics worldwide. A research team has now discovered that microplastic particles find their way into living cells more easily if they were exposed to natural aquatic environments, i.e. fresh water and seawater. Biomolecules occurring in the water are deposited on the microplastic surfaces, which promote the internalization of the particles into cells.
Bosses need appreciation, too
3d'Tis the season to be grateful, even for your boss, according to a recent A new study suggests that when supervisors feel appreciated, it gives them a boost of energy and optimism. In the end, that's good for employees and the organization's bottom line.
Faster and more efficient information transfer
3dPhysicists use antiferromagnetic rust to carry information over long distances at room temperature.
Atom-thin transistor uses half the voltage of common semiconductors, boosts current density
3dResearchers report a new, two-dimensional transistor made of graphene and molybdenum disulfide that needs less voltage and can handle more current than today's semiconductors.
No association between COVID-19 and Guillain-Barré syndrome
3dNeuroscientists at UCL have found no significant association between COVID-19 and the potentially paralysing and sometimes fatal neurological condition Guillain-Barré syndrome.
Research reveals unexpected insights into early dinosaur's brain, eating habits and agility
3dA pioneering reconstruction of the brain belonging to one of the earliest dinosaurs to roam the Earth has shed new light on its possible diet and ability to move fast.
British engineers to start work on 'comet chaser' probe
3dMission will record details about the composition of the astral bodies and could be launched in 2028 British engineers are to start work on a new spacecraft that will lie in wait for passing comets then chase them down and map their surfaces in three dimensions. Appropriately dubbed the "comet chaser", the mission will not only record details of the comets' contours, but also the composition of t
When it comes to feeling pain, touch or an itch, location matters
3dWhen you touch a hot stove, your hand reflexively pulls away; if you miss a rung on a ladder, you instinctively catch yourself. Both motions take a fraction of a second and require no forethought. Now, researchers have mapped the physical organization of cells in the spinal cord that help mediate these and similar critical 'sensorimotor reflexes.'
A potential therapy for one of the leading causes of heart disease
3dAfter 15 years of unrelenting work, a team of scientists has discovered a potential drug candidate for heart valve disease that works in both human cells and animals and is ready to move toward a clinical trial.
New and unexplored dimension in the study of protein-protein interactions
3dCells accumulate glutamate and related molecules under stress, and so formation of high-order protein assemblies under these conditions has important biological implications. Specifically, this would represent a mechanism by which the presence of stressor compounds in the cell could control DNA replication.
A better kind of cybersecurity strategy
3dThe multilateral nature of cybersecurity today makes it markedly different than conventional security, according to a new study. The researchers' new model shows why countries that retaliate too much against online attacks can make things worse for themselves.
Tiny bubbles on electrodes key to speeding up chemical processes
3dNew research has shown the formation of bubbles on electrodes, usually thought to be a hindrance, can be beneficial, with deliberately added bubbles, or oil droplets, able to accelerate processes such as the removal of pollutants such as hydrocarbons from contaminated water and the production of chlorine.
Reactive Video playback that you control with your body
3dResearchers have created a system that dynamically adapts to mirror the position of the viewer's body and matches the speed of video playback to the viewer's movements.
Increased social media use linked to developing depression
3dYoung adults who increased their use of social media were significantly more likely to develop depression within six months, according to a new national study.
New study tests machine learning on detection of borrowed words in world languages
3dResearchers have investigated the ability of machine learning algorithms to identify lexical borrowings using word lists from a single language. Results show that current machine learning methods alone are insufficient for borrowing detection, confirming that additional data and expert knowledge are needed to tackle one of historical linguistics' most pressing challenges.
Gruesome 'Tower of Skulls' Discovery in Mexico Unearths Over 100 Aztec Sacrifices
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A pinnacle of death to appease the gods.
Tiny bubbles on electrodes key to speeding up chemical processes
3dNew research has shown the formation of bubbles on electrodes, usually thought to be a hindrance, can be beneficial, with deliberately added bubbles, or oil droplets, able to accelerate processes such as the removal of pollutants such as hydrocarbons from contaminated water and the production of chlorine.
Coronavirus live news: US nears 300,000 deaths; Trump 'to be offered vaccine' on Monday
3dESwatini Prime Minister Ambrose Dlamini dies of Covid-19; Trump, Pence and other officials to be offered vaccine starting Monday; US has suffered 298,923 deaths since start of pandemic How Covid revealed the truth about our world FDA chief urged by White House to approve Pfizer vaccine 'or quit' Scientists warn against Christmas gatherings in UK California's ICU beds near capacity as hospitalisat
Covid Patient Study Shows Some Benefit From an Arthritis Drug
4dBaricitinib had previously attracted some scrutiny from experts, who were unsure when it would most help their patients.
The most contentious election in American history happened in 1876
4dThe 2020 election cycle is wild, but the 1876 elections were even more contentious. In 1876, Rutherford B. Hayes became President despite losing the popular vote. That election included allegations of widespread fraud, violence, and was decided by a special Congressional committee. If you think the 2020 election has been a nerve-wrecking mess that threatens the very foundations of our country, it
Bird Poop 'Time Machine' Shows a Staggering Historic Decline in Sea Birds
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Even the researchers were surprised.
Google Ignores the Biggest Strike in World History and Dr.Kapany's Passing (the man who helped invent the high speed internet)…where is our future going? Is our reality going to be controlled by wealthy businessmen…the media is truly not free, it's all corrupt…even google.
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This AI can "Deepfake" Movements with only 1 target image
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Brain Implants Enable Man to Simultaneously Control Two Prosthetic Limbs with 'Thoughts'
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Toyota Is Launching Electric Car with 10 Minutes Fast Charging
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Electric airplanes are close to a commercial breakthrough
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What technology would you like to see in the next 10 years? Medical, energy, space travel: any category.
4dJust throwing ideas to the wind submitted by /u/ExpressionGreedy [link] [comments]
How Can We Fall Asleep More Easily? Neuralink 2021 And Beyond
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Why the Price of New Solar Electricity Fell an Incredible 89% in the Last Decade
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Hibernating lemurs may be the key to cryogenic sleep for human space travel
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A 3d printed material that is part matter and part light.
4dI was thinking about this the other day, and it seems to me that if the atoms in a material were to be arranged in just the right crystal lattice it might be possible to permanently embed photons into a 3d printed crystal. I did some reading and found out that something like this has already been done. https://www.extremetech.com/extreme/162289-light-stopped-completely-for-a-minute-inside-a-cryst
B.C. Doctors Are Now Prescribing Nature To Boost Patient Health
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According to a new analysis, despite a record drop in greenhouse gas emissions this year changes in the atmosphere were minimal. We need sustainable reductions in carbon dioxide emissions to halt the buildup of greenhouse gases.
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In 1942, Asimov gave us the Three Laws of Robotics. Now they've been updated
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Tiny four-bit computers are now all you need to train AI – Powerful neural networks could soon train on smartphones with dramatically faster speeds and less energy.
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Eye Treatment Stretches Mouse Sight Beyond Visible Spectrum
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New York Power Authority's plan for 70% renewable energy by 2030 approved
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Transparent Solar Panels Will Turn Windows Into Green Energy Collectors
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Toyota to Release An EV with 10 Minutes Charging in 2021
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Explainer: Why green hydrogen is finally getting its day in the sun "More than $150 billion worth of green hydrogen projects have been announced globally in the past nine months. In total, more than 70 gigawatts of such projects are in development"
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Physicists Prove Anyons Exist, a Third Type of Particle in the Universe
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3D-printed prefab homes aim to disrupt construction market
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Universal Basic Income has been a 'lifesaver' to families during coronavirus pandemic: California mayor
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300.000 coronatilfælde kan spores tilbage til én konference i februar
4dSupersprederbegivenhed i USA var langt værre end først antaget, konkluderer forskere i nyt studie.
Russia faces challenge to convince public over Covid vaccination push
4dProliferation of anti-vaccine content online leaves many citizens sceptical of coronavirus data
Johnson warned of third Covid wave by health experts
4dPM urged to use 'extreme caution' in Wednesday's review of England's tiered system of restrictions
Doctors ready to give first US doses of Covid-19 vaccine
4dTrump and top officials to be prioritised as Pfizer/BioNTech shot shipped to hospitals nationwide
Why the Price of New Solar Electricity Fell an Incredible 89% in the Last Decade
4dIn 1956, an early demonstration of solar photovoltaics produced a watt of energy for the modest price of an inflation-adjusted $1,865. Put another way, you'd need to spend over a half-million dollars to equal one modern 320-watt rooftop solar panel. Of course, price aside, you'd also need to find room for a boatload of solar cells from 1956 to equal the output of that single, solitary modern pane
The Curve Appears to Be Flattening on CO2 Emissions. What Does That Mean?
4dAnnual CO2 emission rates appear to be leveling off. Now they need to rapidly decline.
Chinese capsule with moon rocks begins return to Earth
4dA Chinese space capsule bringing back the first moon rocks in more than four decades started its three-day return to Earth on Sunday.
Europe struggles to free Christmas from Covid's shackles
4dRestrictions kept up or even tightened to curb high infection rates across continent
Any Delay in Ending COVID Could Spur a Different Pandemic
4dCoronavirus infections can lead to bacterial infections—and bacteria are becoming increasingly resistant to treatment with antibiotics — Read more on ScientificAmerican.com
Best food processor: Chop your way to easy meal prep
4dGreat food processors to help with your meal prep. (Hermes Rivera via Unsplash /) We all want more time, and the best food processors can offer you just that. Kitchen appliances are usually designed to perform one job really well, and when it comes to food processors, that job is to speed up and improve your food preparation. Hand chopping is very tedious, and often not even the best solution. Al
Coronavirus: socialising at Christmas 'very risky', say NHS bosses
4dFears that relaxing restrictions over festive period will put further pressure on hospitals Coronavirus – latest updates See all our coronavirus coverage Socialising over Christmas, particularly with those most vulnerable to Covid, will be "very risky" and threatens to put further pressure on hospital beds this winter, NHS bosses have warned. Chris Hopson, the head of NHS Providers, which represe
Virginia: Images of the Old Dominion
4dMore than 8.5 million people live across Virginia, the 35th-largest state by area. From the Blue Ridge Mountains, through the Shenandoah National Park, and from the Potomac River to Virginia Beach, here are a few glimpses of the landscape of Virginia, and some of the wildlife and people calling it home. This photo story is part of Fifty , a collection of images from each of the United States.
Bats and Swallows
4dWhatever the difference might be to one who knows, we couldn't see from where we stood in soft shadows any signs that they were swallows or bats. That there were wings was without doubt; you could see small pointed things swooping out into the gloaming— and sometimes back. One seemed almost iridescent as I tried to track its crescent flight across the hill. The lack of sound suggested bats to me;
Physicists Detect the "Spooky Popcorn of the Universe"
4dFor the first time, physicists measured fluctuations in the quantum realm.
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