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Scientist develops new way to test for COVID-19 antibodies
New research details how a cell-free test rapidly detects COVID-19 neutralizing antibodies and could aid in vaccine testing and drug discovery efforts.
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Future VR could employ new ultrahigh-res display
Repurposed solar panel research could be the foundation for a new ultrahigh-resolution microdisplay. The OLED display would feature brighter images with purer colors and more than 10,000 pixels per inch.
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Tænkeboks: Stiv kuling og en lille smule medvind på cykelstien
Her følger løsningen på Tænkeboksen fra uge 41
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The 20th Century's Greatest Debunker Has Died, Leaving a Precious Legacy of Truth
James Randi left the world better than he found it.
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F.D.A. Approves Remdesivir as First Drug to Treat Covid-19
The move indicated that the drug had cleared more rigorous hurdles since it was given emergency authorization in May.
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COVID-19 anxiety linked to body image issues
A new study has found that anxiety and stress directly linked to COVID-19 could be causing a number of body image issues. The research, which involved 506 UK adults, found that worries linked to COVID-19 were associated with body dissatisfaction and a desire for thinness in women, and associated with body fat dissatisfaction and a desire for muscularity in men.
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Covid slump in medical charity donations 'puts research at risk'
Report calls for government to set up partnership to support sector facing up to £4bn loss Coronavirus – latest updates See all our coronavirus coverage A slump in donations to medical charities will result in potentially life-saving research being shelved unless the government steps in to support the organisations, a leading thinktank has said. The closure of charity shops, suspension of fundrai
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Covid-19 blood plasma therapy has limited effect, study finds
Authors agree other trials using higher antibody levels may prove more effective Coronavirus – latest updates See all our coronavirus coverage It has been touted as a breakthrough treatment by Donald Trump, and there are hopes that blood plasma containing coronavirus antibodies may help British patients during the second wave of Covid-19 as well. But a study, which is published in the British Med
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Collaboration sparks new model for ceramic conductivity
As insulators, metal oxides – also known as ceramics – may not seem like obvious candidates for electrical conductivity. While electrons zip back and forth in regular metals, their movement in ceramic materials is sluggish and difficult to detect.
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A promising discovery could lead to better treatment for Hepatitis C
Virologists have identified a critical role played by a cellular protein in the progression of Hepatitis C virus infection, paving the way for more effective treatment. No vaccine currently exists for Hepatitis C virus infection, which affects more than 130 million people worldwide and nearly 250,000 Canadians. Antivirals exist but are expensive and not readily available in developing countries, w
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Coronavirus live news: remdesivir approved as Covid treatment by US FDA; France sees record new cases
Antiviral treatment is first to treat coronavirus approved by FDA; France extends curfew; Study finds between 130,000 and 210,000 US deaths could have been avoided. Follow the latest Surge 'very serious' in Germany and 'out of control' in Spain Belgium's deputy PM in intensive care with coronavirus See all our coronavirus coverage 12.39am BST In the UK, a slump in donations to medical charities w
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Preventive drugs halve malaria cases in African schoolchildren
Giving preventive drugs to school-age children in Africa substantially reduces malaria infections and cases of anaemia, according to a new study in The Lancet Global Health.
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Study: Malaria-preventive drugs dramatically reduce infections in school children
Use of preventive antimalarial treatments reduces by half the number of malaria infections among schoolchildren, according to a new analysis published today in The Lancet Global Health.
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Voters unlikely to blame politicians for their handling of the pandemic at next election
Politicians are unlikely to be punished or rewarded for their failures or successes in managing the coronavirus pandemic at the next election, suggests an analysis of survey data from the US, the UK and India, published in the online journal BMJ Global Health.
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'Foreign disinformation' social media campaigns linked to falling vaccination rates
'Foreign disinformation' social media campaigns are linked to falling vaccination rates, reveals an international time trends analysis, published in the online journal BMJ Global Health.
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The Lancet Infectious Diseases: Study provides estimates of the effect of introducing and lifting physical distancing measures on COVID-19 reproduction (R) number
Analysis suggests that individual measures (including school closure, workplace closure, public events ban, ban on gatherings of more than ten people, requirements to stay at home, and internal movement limits) are associated with a reduction in transmission of SARS-CoV-2 but combined measures are more effective at reducing transmission, according to a modelling study published in The Lancet Infec
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Schoolchildren Seem Unlikely to Fuel Coronavirus Surges, Scientists Say
Researchers once feared that school reopenings might spread the virus through communities. But so far there is little evidence that it's happening.
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Nobel Prize winner says scientific research has to be 'passion-driven'
Scientists cannot be expected to drop everything they're working on to turn their attention to beating COVID-19, according to the winner of the 2019 Nobel Prize in Physiology or Medicine, Professor Sir Peter Ratcliffe. He delivers the the prestigious Michel Clavel lecture to the 32nd EORTC-NCI-AACR Symposium on Molecular Targets and Cancer Therapeutics, which is taking place online.
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Vaccine to treat and prevent lung, bowel and pancreatic cancer shows promise in the lab
An experimental vaccine, designed to enlist the body's own immune system to target cancer cells, has shown promise for treating and preventing cancer in mice. The vaccine was created to target a gene called KRAS that is involved in the development of many types of cancer, including lung, bowel and pancreatic cancer.
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Author Correction: Evolution of etiology, presentation, management and prognostic tool in hepatocellular carcinoma
Scientific Reports, Published online: 23 October 2020; doi:10.1038/s41598-020-75523-6
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We finally know why sea pickles glow
Scientists have known that sea pickles have special cells called photosites, located as spots around their bodies, that allow them to glow. But the species has been hard to study. (Credit: David Gruber/) David Gruber was on the southeast shores of Brazil when the ocean started glowing. He was testing out a squishy robotic hand that was attached to his submarine with the help of two colleagues whe
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Can fake news help you remember real facts better?
In 2019, researchers at Stanford Engineering analyzed the spread of fake news as if it were a strain of Ebola. They adapted a model for understanding diseases that can infect a person more than once to better understand how fake news spreads and gains traction. A new study published in 2020 explores the idea that fake news can actually help you remember real facts better. "These findings demonstr
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Should a COVID-19 Vaccine Be Mandatory?
Despite evidence that compulsory vaccination programs work, public health experts predict (surprise!) a backlash.
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Gilead secures FDA approval for remdesivir
US agency grants first regulatory consent for a drug to treat Covid-19 patients
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AI detects hidden earthquakes
Tiny movements in Earth's outermost layer may provide a Rosetta Stone for deciphering the physics and warning signs of big quakes. New algorithms that work a little like human vision are now detecting these long-hidden microquakes in the growing mountain of seismic data.
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How to decide who to vote for
You don't need to ponder for hours to figure out who to vote for. You just need to have a solid strategy. (Kazi Mizan/Unsplash/) >> Voting is the first step toward making sure the government does what you want it to do—but it can be a daunting one. Elections can be overwhelming, and no matter how informed you'd like to be, you're never going to completely understand all the options on your ballot
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The Coronavirus Surge That Will Define the Next 4 Years
Editor's Note: The Atlantic is making vital coverage of the coronavirus available to all readers. Find the collection here . Updated at 9:20 p.m. ET on October 22, 2020 The United States is sleepwalking into what could become the largest coronavirus outbreak of the pandemic so far. In the past week alone, as voters prepare to go to the ballot box, about one in every 1,000 Americans has tested pos
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Questionnaire-based tool measures fatigue in patients receiving dialysis
A new patient-reported outcome measure assesses fatigue in patients receiving dialysis. The tool gauges tiredness, energy, and the impact of fatigue on life participation.
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Glomerular diseases linked to higher risk of cardiovascular conditions
Adults with glomerular diseases have a 2.5-times higher risk of developing cardiovascular disease than individuals in the general population. Results from the study will be presented online during ASN Kidney Week 2020 Reimagined October 19-October 25.
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SpaceX Will Build Starlink-Like Constellation Around Mars, Its President Says
Marslink It's no secret that SpaceX CEO Elon Musk wants to build a city on Mars . But in a recent interview with TIME magazine, SpaceX president and COO Gwynne Shotwell laid out the company's plans to bring its Starlink broadband satellite constellation technology to the Red Planet as well. "Once we take people to Mars, they're going to need a capability to communicate," Shotwell said during a pr
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Crystalline water in gypsum is unavailable for cyanobacteria in laboratory experiments and in natural desert endolithic habitats [Letters (Online Only)]
Huang et al. (1) describe a supposed mechanism of water extraction from gypsum by cyanobacteria sampled from endoliths inhabiting Ca sulfates in the Atacama Desert, and cultivated in the laboratory. The authors claim that the phase transformation from gypsum (CaSO4·2H2O) to anhydrite (CaSO4) (G→A) occurred under "dry conditions" in the…
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Reply to Wierzchos et al.: Microorganism-induced gypsum to anhydrite phase transformation [Letters (Online Only)]
In response to Wierzchos et al. (1) regarding the mechanism of water extraction from gypsum rock by desert colonizing microorganisms (2), we provide details that refute their incorrect assessments. We carefully selected areas without microorganism colonies that only contained gypsum, as confirmed by X-ray diffraction (XRD), for our culture experiments….
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Experimental evidence for silica-enriched Earth's lower mantle with ferrous iron dominant bridgmanite [Earth, Atmospheric, and Planetary Sciences]
Determination of the chemical composition of the Earth's mantle is of prime importance to understand the evolution, dynamics, and origin of the Earth. However, there is a lack of experimental data on sound velocity of iron-bearing Bridgmanite (Brd) under relevant high-pressure conditions of the whole mantle, which prevents constraints on…
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Mcl-1 and Bok transmembrane domains: Unexpected players in the modulation of apoptosis [Biochemistry]
The Bcl-2 protein family comprises both pro- and antiapoptotic members that control the permeabilization of the mitochondrial outer membrane, a crucial step in the modulation of apoptosis. Recent research has demonstrated that the carboxyl-terminal transmembrane domain (TMD) of some Bcl-2 protein family members can modulate apoptosis; however, the transmembrane interactome…
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A symmetry-derived mechanism for atomic resolution imaging [Applied Physical Sciences]
We introduce an image-contrast mechanism for scanning transmission electron microscopy (STEM) that derives from the local symmetry within the specimen. For a given position of the electron probe on the specimen, the image intensity is determined by the degree of similarity between the exit electron-intensity distribution and a chosen symmetry…
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FOXM1 drives HPV+ HNSCC sensitivity to WEE1 inhibition [Medical Sciences]
Head and neck squamous cell carcinoma (HNSCC) associated with high-risk human papilloma virus (HPV) infection is a growing clinical problem. The WEE1 kinase inhibitor AZD1775 (WEE1i) overrides cell cycle checkpoints and is being studied in HNSCC regimens. We show that the HPV16 E6/E7 oncoproteins sensitize HNSCC cells to single-agent WEE1i…
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The polar Ras-like GTPase MglA activates type IV pilus via SgmX to enable twitching motility in Myxococcus xanthus [Microbiology]
Type IV pili (Tfp) are highly conserved macromolecular structures that fulfill diverse cellular functions, such as adhesion to host cells, the import of extracellular DNA, kin recognition, and cell motility (twitching). Outstandingly, twitching motility enables a poorly understood process by which highly coordinated groups of hundreds of cells move in…
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SurA is a cryptically grooved chaperone that expands unfolded outer membrane proteins [Biophysics and Computational Biology]
The periplasmic chaperone network ensures the biogenesis of bacterial outer membrane proteins (OMPs) and has recently been identified as a promising target for antibiotics. SurA is the most important member of this network, both due to its genetic interaction with the β-barrel assembly machinery complex as well as its ability…
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Engineered ACE2 receptor traps potently neutralize SARS-CoV-2 [Biophysics and Computational Biology]
An essential mechanism for severe acute respiratory syndrome coronavirus 1 (SARS-CoV-1) and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection begins with the viral spike protein binding to the human receptor protein angiotensin-converting enzyme II (ACE2). Here, we describe a stepwise engineering approach to generate a set of affinity optimized,…
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Land-use intensity alters networks between biodiversity, ecosystem functions, and services [Sustainability Science]
Land-use intensification can increase provisioning ecosystem services, such as food and timber production, but it also drives changes in ecosystem functioning and biodiversity loss, which may ultimately compromise human wellbeing. To understand how changes in land-use intensity affect the relationships between biodiversity, ecosystem functions, and services, we built networks from…
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Amyloid formation of fish {beta}-parvalbumin involves primary nucleation triggered by disulfide-bridged protein dimers [Biochemistry]
Amyloid formation involves the conversion of soluble protein species to an aggregated state. Amyloid fibrils of β-parvalbumin, a protein abundant in fish, act as an allergen but also inhibit the in vitro assembly of the Parkinson protein α-synuclein. However, the intrinsic aggregation mechanism of β-parvalbumin has not yet been elucidated….
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Reversible autoinhibitory regulation of Escherichia coli metallopeptidase BepA for selective {beta}-barrel protein degradation [Biochemistry]
Escherichia coli periplasmic zinc-metallopeptidase BepA normally functions by promoting maturation of LptD, a β-barrel outer-membrane protein involved in biogenesis of lipopolysaccharides, but degrades it when its membrane assembly is hampered. These processes should be properly regulated to ensure normal biogenesis of LptD. The underlying mechanism of regulation, however, remains to…
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A release from developmental bias accelerates morphological diversification in butterfly eyespots [Evolution]
Development can bias the independent evolution of traits sharing ontogenetic pathways, making certain evolutionary changes less likely. The eyespots commonly found on butterfly wings each have concentric rings of differing colors, and these serially repeated pattern elements have been a focus for evo–devo research. In the butterfly family Nymphalidae, eyespots…
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Visualization of the HIV-1 Env glycan shield across scales [Biophysics and Computational Biology]
The dense array of N-linked glycans on the HIV-1 envelope glycoprotein (Env), known as the "glycan shield," is a key determinant of immunogenicity, yet intrinsic heterogeneity confounds typical structure–function analysis. Here, we present an integrated approach of single-particle electron cryomicroscopy (cryo-EM), computational modeling, and site-specific mass spectrometry (MS) to probe…
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Laser spectroscopic technique for direct identification of a single virus I: FASTER CARS [Biophysics and Computational Biology]
From the famous 1918 H1N1 influenza to the present COVID-19 pandemic, the need for improved viral detection techniques is all too apparent. The aim of the present paper is to show that identification of individual virus particles in clinical sample materials quickly and reliably is near at hand. First of…
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The pandemic exposes human nature: 10 evolutionary insights [Perspectives]
Humans and viruses have been coevolving for millennia. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2, the virus that causes COVID-19) has been particularly successful in evading our evolved defenses. The outcome has been tragic—across the globe, millions have been sickened and hundreds of thousands have died. Moreover, the quarantine has…
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Anthropogenic Asian aerosols provide Fe to the North Pacific Ocean [Earth, Atmospheric, and Planetary Sciences]
Fossil-fuel emissions may impact phytoplankton primary productivity and carbon cycling by supplying bioavailable Fe to remote areas of the ocean via atmospheric aerosols. However, this pathway has not been confirmed by field observations of anthropogenic Fe in seawater. Here we present high-resolution trace-metal concentrations across the North Pacific Ocean (158°W…
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High-amplitude cofluctuations in cortical activity drive functional connectivity [Applied Mathematics]
Resting-state functional connectivity is used throughout neuroscience to study brain organization and to generate biomarkers of development, disease, and cognition. The processes that give rise to correlated activity are, however, poorly understood. Here we decompose resting-state functional connectivity using a temporal unwrapping procedure to assess the contributions of moment-to-moment activity
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Origin of exponential growth in nonlinear reaction networks [Biophysics and Computational Biology]
Exponentially growing systems are prevalent in nature, spanning all scales from biochemical reaction networks in single cells to food webs of ecosystems. How exponential growth emerges in nonlinear systems is mathematically unclear. Here, we describe a general theoretical framework that reveals underlying principles of long-term growth: scalability of flux functions…
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Medical minds meet to develop novel treatment for one patient's immune system defect
A young woman who had been hospitalized for three months straight due to debilitating, recurrent infections with no apparent underlying cause was finally able to go home thanks to a Massachusetts General Hospital (MGH) team who put their heads together, discovered a root of the problem, and developed a novel treatment strategy just for her.
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Report calls for easing access, improving home health for older adults
Older adults have suffered disproportionately from the COVID-19 pandemic, with increased risk of severe illness and death reported across the globe. A new report argues that one policy change made during the pandemic should remain in place after the novel coronavirus virus fades away: better access to home health services through Medicare. In a set of recommendations published by the Commonwealth
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COVID-19 news from Annals of Internal Medicine
Experts suggest establishing general clinical endpoints for evaluating efficacy in COVID-19 vaccine trials
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Facebook Promises Privacy Reform. Critics Aren't Convinced
In an interview with WIRED, Facebook's chief privacy officers argue that the company has turned a corner. Again.
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Relativistic effects on humans/ Perception of time
I have no experience with cognitive science or writing Reddit posts so i'll try to keep this brief. I want to point out that humans experience time dilation in everyday life dependent on there mood changing. There is the classic saying "time fly's when you have fun" (it should be time fly's when you learn), but because time is universally believed to be a cosmological concept, nobody considers wh
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Difference between Cognitive Computing and Computational Cognitive Science
Hello, I'm a final year undergraduate student of Computer Science, and am searching for a Cognitive Science programme that'd let me learn about First Language Acquisition Global Workspace Theory (and related, eg. LIDA) Cognitive Architectures (and related, eg. SOAR) Conceptual Spaces and may be more related topics, but currently those are at the top of my mind. In the search, I came across Comput
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Negative Behavior Triggers Same Brain Patterns as Bad Smells
submitted by /u/tahutahut [link] [comments]
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What We Can Learn from Measuring Metabolites Between Neurons
submitted by /u/tahutahut [link] [comments]
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How smell works – Olfactory system
submitted by /u/methinks2015 [link] [comments]
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DNA in fringe-lipped bat poop reveals unexpected eating habits
Poop is full of secrets. For scientists, digging into feces provides insights into animal diets and is particularly useful for understanding nocturnal or rare species. When animals eat, prey DNA travels all the way through animal digestive tracts and comes out again. Poop contains very precise information about the prey species consumed. At the Smithsonian Tropical Research Institute (STRI), a tea
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Chicago tightens restrictions as cases spread across Midwest
Illinois, Indiana and Ohio report biggest one-day rises since start of pandemic
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DNA in fringe-lipped bat poop reveals unexpected eating habits
Poop is full of secrets. For scientists, digging into feces provides insights into animal diets and is particularly useful for understanding nocturnal or rare species. When animals eat, prey DNA travels all the way through animal digestive tracts and comes out again. Poop contains very precise information about the prey species consumed. At the Smithsonian Tropical Research Institute (STRI), a tea
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Collaboration sparks new model for ceramic conductivity
As insulators, metal oxides—also known as ceramics—may not seem like obvious candidates for electrical conductivity. While electrons zip back and forth in regular metals, their movement in ceramic materials is sluggish and difficult to detect.
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Supercomputers dig into first star fossils
No one has yet found the first stars.
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Ancient Maya built sophisticated water filters
Ancient Maya in the once-bustling city of Tikal built sophisticated water filters using natural materials they imported from miles away, according to the University of Cincinnati.
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Axing the ACA means young adults with cancer lose coverage
A new study led by UCSF Benioff Children's Hospitals and the Children's Hospital of Philadelphia (CHOP) has quantified the impact of repealing the 2010 Affordable Care Act (ACA) for 18 to 25-year-old cancer patients, who are covered by their parents' health insurance.
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Sociologist: Fracking is a Mental Health Disaster
Fracking's devastating impact on our health and the planet, not to mention its contributions to climate change , are extremely well-documented. What's not as well understood, however, is how it impacts our mental health. As it turns out, Colorado State University sociologist Stephanie Malin wrote in The Conversation , the answer is "quite a bit." As she describes it, the problem is two-fold: stre
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Carbon capture and storage can rapidly reduce emissions in sectors that have few other options
Today, the Energy Futures Initiative (EFI) and Stanford University released "An Action Plan for Carbon Capture and Storage in California: Opportunities, Challenges, and Solutions," a report providing policymakers with options for near-term actions to deploy carbon capture and storage (CCS) to meet the state's climate goals.
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Turning streetwear into solar power plants
Researchers at Empa and ETH Zurich succeeded in developing a material that works like a luminescent solar concentrator and can even be applied to textiles. This opens up numerous possibilities for producing energy directly where it is needed, i.e. in the use of everyday electronics.
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Aerial images detect and track food security threats for millions of African farmers
New research shows how a combination of imagery from mobile phones, drones and satellites can be used to clamp down on banana threats. The images of varying resolutions are fed into a platform "trained" through machine learning to identify banana crops and analyze threats with 97% overall accuracy. The findings were published in the ISPRS Journal of Photogrammetry and Remote Sensing.
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A unique pre-Columbian manuscript and the mystery behind its colors
The Codex Cospi is one of the few Aztec 'books' in the world and it is kept at Bologna University Library. A new research project will investigate with unprecedented detail the painting techniques and tools with which it was made.
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Tilting oil tanker threatens 'environmental catastrophe'
Venezuela's opposition warned of a potential "environmental catastrophe" Thursday as a damaged oil tanker threatened to spill 1.3 million barrels of crude into waters separating Venezuela from Trinidad and Tobago.
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Aerial images detect and track food security threats for millions of African farmers
New research shows how a combination of imagery from mobile phones, drones and satellites can be used to clamp down on banana threats. The images of varying resolutions are fed into a platform "trained" through machine learning to identify banana crops and analyze threats with 97% overall accuracy. The findings were published in the ISPRS Journal of Photogrammetry and Remote Sensing.
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Colorado wildfires drag on later than normal, break records
Orange skies, winds gusting up to 70 mph, smoke tornadoes and hazardous air. While it could be an apocalyptic scene out of a movie, it's become the reality of Colorado's wildfire season.
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Ancient Maya built sophisticated water filters
Ancient Maya in the once-bustling city of Tikal built sophisticated water filters using natural materials they imported from miles away, according to new research. A multidisciplinary team of anthropologists, geographers and biologists identified quartz and zeolite, a crystalline compound consisting of silicon and aluminum, that created a natural molecular sieve. Both minerals are used in modern w
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Galactic archaeology
Computational astrophysics study modeled for the first time faint supernovae of metal-free first stars, yielding carbon-enhanced abundance patterns for star formation. Study investigated formation of first stars and the origin of elements heavier than hydrogen, helium, lithium.
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5G Has Arrived. What Is It and How Does It Work?
The fifth generation of wireless cellular connection is poised to usher in a new era of technology. Here's what you need to know — including whether you'll need a new 5G smartphone.
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Ancient Maya built sophisticated water filters
Ancient Maya in the once-bustling city of Tikal built sophisticated water filters using natural materials they imported from miles away, according to new research. A multidisciplinary team of anthropologists, geographers and biologists identified quartz and zeolite, a crystalline compound consisting of silicon and aluminum, that created a natural molecular sieve. Both minerals are used in modern w
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Mexican Senate Votes to Cut Research Funding, Disaster Relief
Government leaders claim the reductions are necessary to free up assets to deal with COVID-19 and address corruption in research.
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DNA in fringe-lipped bat poop reveals unexpected eating habits
By examining the poop of the fringe-lipped bat (Trachops cirrhosus), a team at the Smithsonian Tropical Research Institute (STRI) encountered surprising results about its eating habits and foraging abilities.
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DrugCell: New experimental AI platform matches tumor to best drug combo
UC San Diego researchers use experimental artificial intelligence system called DrugCell to predict the best approach to treating cancer.
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Bird flu fears: Dutch farms ordered to keep poultry indoors
The Dutch government said Thursday it is ordering poultry farms to keep their birds indoors after six wild swans were found recently dead and tests on two of the birds came back positive for a highly pathogenic strain of bird flu.
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Bird flu fears: Dutch farms ordered to keep poultry indoors
The Dutch government said Thursday it is ordering poultry farms to keep their birds indoors after six wild swans were found recently dead and tests on two of the birds came back positive for a highly pathogenic strain of bird flu.
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Sexual assault, shame and teaching kids to ask for help | Kristin Jones
Sexual assault is never the victim's fault, says advocate Kristin Jones. In this courageous talk, she tells her story of overcoming the shame that followed sexual abuse as a teenager — and shares how parents can foster an open conversation about abuse to empower kids and encourage them to ask for help. (This talk contains mature content)
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COVID-19 and Drug-Resistant Superbugs Are a Frightening Combination
Antibiotic resistance is a threat that's lurking in the shadow of the coronavirus pandemic.
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Coronavirus mutations show early safety measures and restrictions limited viral spread
Scientists analyzed genomic information from over 6,000 samples of SARS-CoV-2, the coronavirus behind the COVID-19 pandemic. Results show that early measures in states such as California and Washington were effective at limiting viral spread in the early phases of the pandemic.
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Your grip strength could hint at future health problems
Some medical researchers think that grip strength is an important health metric. (Kelly Sikkema/Unsplash/) Adam Taylor is a professor and director of the Clinical Anatomy Learning Centre at Lancaster University. This story originally featured on The Conversation . The human hand is remarkable. Not only does it allow us to throw, grab, climb and pick things up, it can also be a measure of health.
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As Japan's Population Ages, a Rare Brain-Eating Disease Is Becoming More Common
Over the last 15 years, an extremely rare neurodegenerative disease that eats holes into the human brain has grown increasingly common in Japan. The disease, Creutzfeldt-Jakob disease (CJD) can be caused by eating tainted meat but is more closely associated with seemingly-spontaneous cases linked to old age, according to the Mayo Clinic . And with Japan's notoriously-elderly population, Gizmodo r
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Artificial intelligence can now predict students' educational outcomes based on tweets
The new model, created by computational social scientist Ivan Smirnov of HSE University, predicts the academic success of Russian high school students with an accuracy of 94%. The model generates its predictions based on users' distinctive vocabulary and speech patterns, and the predictions have strongly correlated with students' Unified State Exam (USE) scores.
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Tel Aviv University researchers discover molecular link between diet and risk of cancer
An international team of researchers has identified a direct molecular link between meat and dairy diets and the development of antibodies in the blood that increase the chances of developing cancer. This connection may explain the high incidence of cancer among those who consume large amounts of dairy products and red meat, similar to the link between high cholesterol and an increased risk of hea
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Collaboration sparks new model for ceramic conductivity
As insulators, metal oxides – also known as ceramics – may not seem like obvious candidates for electrical conductivity. While electrons zip back and forth in regular metals, their movement in ceramic materials is sluggish and difficult to detect.
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Shared religious experiences bring couples together
Couples that pray together stay together. It's a common religious saying, but a new study from the University of Georgia is giving the proverb some scientific credence.
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Galactic archaeology
Computational astrophysics study modeled for the first time faint supernovae of metal-free first stars, yielding carbon-enhanced abundance patterns for star formation. Study investigated formation of first stars and the origin of elements heavier than hydrogen, helium, lithium. XSEDE allocations on systems Stampede2 of TACC and Comet of SDSC; Georgia Tech PACE Hive cluster aided researchers explor
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Ancient Maya built sophisticated water filters
Ancient Maya in the once-bustling city of Tikal built sophisticated water filters using natural materials they imported from miles away, according to the University of Cincinnati. A multidisciplinary team of UC anthropologists, geographers and biologists identified quartz and zeolite, a crystalline compound consisting of silicon and aluminum, that created a natural molecular sieve. Both minerals a
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SpaceX President: Starship Could Help Pick Up Space Junk
After being named one of the 100 most influential people in the world by TIME magazine, SpaceX president and COO Gwynne Shotwell revealed the company's ambitious plans to solve one of the biggest problems facing the future of space exploration: an increasingly littered orbit . According to Shotwell, SpaceX has an ace up its sleeve in the form of Starship , a 165-foot rocket primarily designed to
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Can you solve what an MIT professor once called 'the hardest logic puzzle ever'?
Logician Raymond Smullyan devised tons of logic puzzles, but one was declared by another philosopher to be the hardest of all time. The problem, also known as the Three Gods Problem, is solvable, even if it doesn't seem to be. It depends on using complex questions to assure that any answer given is useful. Despite the general dislike of mathematics that most profess to have, many people enjoy log
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Why bird brains are more brilliant than anyone suspected
The secret may lie in a newly discovered brain structure
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Future VR could employ new ultrahigh-res display
Repurposed solar panel research could be the foundation for a new ultrahigh-resolution microdisplay. The OLED display would feature brighter images with purer colors and more than 10,000 pixels per inch.
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Tackling alarming decline in nature requires 'safety net' of multiple, ambitious goals
A "safety net" made up of multiple ambitious and interlinked goals is needed to tackle nature's alarming decline, according to an international team of researchers analyzing the new goals for biodiversity being drafted by the UN's Convention on Biological Diversity (CBD).
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USC leads massive new artificial intelligence study of Alzheimer's
Forty co-investigators at 11 research centers will team up to leverage artificial intelligence and machine learning to bolster precision diagnostics, prognosis and the development of new treatments for Alzheimer's disease.
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Scientists Discover "Lost" Tectonic Plate With Ominous Name
New Plate A team of scientists discovered an ancient tectonic plate that used to be part of the crust beneath northern Canada. The existence of the plate, which has the ominous name "Resurrection," has been theorized previously. But it's remained a touchy subject among geologists, Live Science reports , with many disputing its existence. Now, though, new research lends more evidence for the forme
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Researchers Make 'Super-Tomatoes' With Genetically Stressed Root Grafts
Humans have been grafting plants onto other plants for thousands of years, but only in the last few generations have we understood the genetic implications of the technique. Researchers from Penn State and the University of Florida partnered with a Nebraska startup to combine genetically "stressed" roots with regular tomato plants to study the effects on crop yields. The team found that stressed
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No Grumpy Old Men in the Chimp World
Older male chimps follow a pattern that researchers also see in humans, preferring to have positive relationships with a few good friends.
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Is spirituality a component of wisdom?
In a recent study, researchers at University of California San Diego School of Medicine found a seventh component of wisdom: spirituality.
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Gender insecurity prompts women MMA fighters to date hypermasculine men
Women who compete in martial arts and combat sports challenge gender norms in their profession but often embrace them wholeheartedly and even overdo them in their personal lives, finds a UC Riverside study published in Sociology of Sport Journal . The findings underscore the need for caution when assigning a feminist label to an organization or activity simply because it features women in powerful
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New study: aspirin use reduces risk of death in hospitalized patients
Hospitalized COVID-19 patients who were taking a daily low-dose aspirin to protect against cardiovascular disease had a significantly lower risk of complications and death compared to those who were not taking aspirin, according to a new study led by researchers at the University of Maryland School of Medicine (UMSOM).
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Media alert–forthcoming reviews from RAPID REVIEWS:COVID-19
Media Alert–MIT Press journal Rapid Reviews: COVID-19 will review preprints on evidence that racial/ethnic disparities are bigger than previously reported, the prevalence of antibodies in healthcare workers, and the effectiveness of 10-day quarantines
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CCS can rapidly reduce emissions in sectors that have few other options to decarbonize, EFI/Stanford
The Energy Futures Initiative (EFI) and Stanford University released "An Action Plan for Carbon Capture and Storage in California: Opportunities, Challenges, and Solutions," a report providing policymakers with options for near-term actions to deploy carbon capture and storage (CCS) to meet the state's climate goals.
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Robotic trunk support trainer improves upper body control of children with cerebral palsy
Columbia Engineering researchers report their innovative robotic Trunk Support Trainer, when combined with active practice of postural movements, improves trunk and reaching control in CP children with impaired sitting control. TruST helps physical therapists to not only support the children in the region of the trunk where they suffer from weakness and incoordination but also challenge them to pe
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COVID-19 infection may be part of a 'perfect storm' for Parkinson's disease
Can COVID-19 infection increase the risk of developing Parkinson's disease? That's the question posed by a new commentary published in the journal Trends in Neurosciences, which explores three known case studies of people developing Parkinson's-like symptoms in the weeks following infection with SARS-CoV-2, the virus that causes COVID-19. While rare, these cases provide important insights into pot
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NRL researchers evaluate ultraviolet sources, combat COVID-19
NRL researchers evaluated commercial ultraviolet (UV) sources for viral disinfection to combat COVID-19 on land and at sea, and established a dedicated UV characterization lab in five days.
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AI detects hidden earthquakes
Tiny movements in Earth's outermost layer may provide a Rosetta Stone for deciphering the physics and warning signs of big quakes. New algorithms that work a little like human vision are now detecting these long-hidden microquakes in the growing mountain of seismic data.
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Research shows aging chimps, like humans, value friendships
Chimpanzee and human friendships show many parallels, according to new research published this week in Science by associate professor Martin Muller at The University of New Mexico Anthropology department, associate professor of Anthropology and co-director of the Comparative Human and Primate Physiology Center Melissa Emery Thompson, and their colleagues.
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Findings shed light on the ancient origins of speed control during movement
Movement in animals is complex. Little has been known about how spinal inhibitory interneurons work to silence other neurons and related muscle groups in coordination with the active muscle groups across changing speeds. Now a Northwestern University research team has discovered in a study of zebrafish that there is a very orderly relationship between when these critical inhibitory neurons are bor
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Do the twist: Making two-dimensional quantum materials using curved surfaces
Scientists at the University of Wisconsin-Madison have discovered a way to control the growth of twisting, microscopic spirals of materials just one atom thick. The continuously twisting stacks of two-dimensional materials built by a team led by UW-Madison chemistry Professor Song Jin create new properties that scientists can exploit to study quantum physics on the nanoscale.
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The next generation of biodiversity conservation targets must aim higher than ever
Writing this week in Science , 40 researchers argue for a set of holistic actions for new biodiversity goals that are unambiguously clear, sufficiently ambitious, and based on the best knowledge available. Most importantly, the goals need to aim higher if they are to be successful in the face of worsening trends for the climate and life on Earth.
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How'd we get so picky about friendship late in life? Ask the chimps
When humans age, they tend to favor small circles of meaningful, already established friendships rather than seek new ones. People are also more likely to lean toward positive relationships rather than ones that bring tension or conflict. These behaviors were thought to be unique to humans but it turns out chimpanzees, one of our closest living relatives, have these traits, too. The study shows wh
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New method for upcycling polyethylene creates value from plastic waste
Using a unique catalyst to molecularly deconstruct polyethylene, the most commonly used form of plastic, researchers present a solvent-free way to transform it into higher-value, widely used chemical compounds.
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Multi-mucus barrier segregates colon microbiota from host tissue
Whole-colon imaging in mice has revealed a continuous colonic mucus system, which forms a protective barrier between potentially harmful gut microbiota and host tissue by encapsulating fecal pellets as they form and as they are eliminated from the colon.
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To avoid impression that SARS-CoV-2 transmission is ever-changing, interpret new info using existing
The global spread of SARS-CoV-2 has taken a variety of forms, ranging from localized and quickly controlled outbreaks to large, ongoing epidemics with deadly consequences.
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Like humans, aging wild chimpanzees value their more "positive" friendships most
Like humans, wild chimpanzees focus on fewer yet more meaningful friendships as they grow older, say researchers who studied male chimps over two decades.
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Closing the plastic loop
Researchers develop a one-pot, low temperature catalytic method to turn polyethylene polymers into alkylaromatic molecules.
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A sustainable future requires holistic actions towards ambitious biodiversity goals
A 'safety net' made up of multiple, interlinked and ambitious goals is needed to tackle nature's alarming decline. No single goal can capture the broad range of characteristics that need to be sustained, concludes a large international team of researchers analysing the new goals for nature being drafted by the UN's Convention on Biological Diversity.
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Discoveries reshape understanding of gut microbiome
The findings redefine how the so-called gut microbiome operates and how our bodies coexist with some of the 100 trillion bacteria that make it up. The discoveries could lead to new therapies for inflammatory bowel disease and people who've had portions of their bowels removed due to conditions like colon cancer and ulcerative colitis. They also help explain why the use of antibiotics can create a
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Pituitary puzzle gets a new piece, revising evolutionary history
For decades, the front lobe of the pituitary was thought to be an evolutionary development that arose in vertebrates from a particular type of embryonic structure located in the ectoderm. USC researchers now present evidence that, in some vertebrates, the endoderm also forms part of the pituitary's front lobe. Findings from the study suggest that the gland may have a longer evolutionary history th
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How genetic variation gives rise to differences in mathematical ability
DNA variation in a gene called ROBO1 is associated with early anatomical differences in a brain region that plays a key role in quantity representation, potentially explaining how genetic variability might shape mathematical performance in children, according to a study published October 22nd in the open-access journal PLOS Biology by Michael Skeide of the Max Planck Institute for Human Cognitive
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Why cats have 9 lives – high-quality cat genome helps identify novel cause of dwarfism
A new and improved cat genome developed by the feline research teams at the University of Missouri and Texas A&M University has already proven to be a valuable tool for feline biomedical research by helping to confirm existing gene variants and new candidate genes underlying diseases in cats. The new findings are published October 22nd in PLOS Genetics.
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How herpes infection may impair human fetal brain development
Three cell-based models shed light on how herpes simplex virus type 1 (HSV-1) infection, which can spread to the fetal brain during pregnancy, may contribute to various neurodevelopmental disabilities and long-term neurological problems into adulthood, according to a study published October 22, 2020 in the open-access journal PLOS Pathogens by Pu Chen and Ying Wu of Wuhan University, and colleague
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Like humans, male chimps mellow with age
Findings could provide clues to the roots of human aging behavior patterns
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Chimps pare down their social circle in later years – study
Researchers say chimpanzees and humans share same pattern of social ageing There is more that comes with older age than greying hair and wrinkled skin. When humans reach their later years, they favour more established friends and their social circle is pared down. Now, for what appears to be the first time, scientists have seen the same behaviour in another species. More than two decades of obser
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Stigma impacts psychological, physical health of multiracial people
Policy changes can help to fight stigmas of multiracial Americans, one of the fasting growing minority groups in the United States according to a new study.
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Humans are born with brains 'prewired' to see words
Humans are born with a part of the brain that is prewired to be receptive to seeing words and letters, setting the stage at birth for people to learn how to read, a new study suggests. Analyzing brain scans of newborns, researchers found that this part of the brain — called the 'visual word form area' (VWFA) — is connected to the language network of the brain.
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Individuals may legitimize hacking when angry with system or authority
New research has found that when individuals feel that a system or authority is unresponsive to their demands, they are more likely to legitimize hacker activity at an organization's expense.
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Increasing sleep time after trauma could ease ill effects
Increasing the amount of time spent asleep immediately after a traumatic experience may ease any negative consequences, suggests a new study conducted by researchers. The study helps build a case for use of sleep therapeutics following trauma exposure. The finding holds promise for populations that are routinely exposed to trauma, such as military personnel and first responders, and may also benef
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Turning streetwear into solar power plants
Researchers have developed a material that works like a luminescent solar concentrator and can even be applied to textiles. This opens up numerous possibilities for producing energy directly where it is needed, i.e. in the use of everyday electronics.
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New tool can diagnose strokes with a smartphone
A new tool could diagnose a stroke based on abnormalities in a patient's speech ability and facial muscular movements, and with the accuracy of an emergency room physician — all within minutes from an interaction with a smartphone.
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News at a glance
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Undermining CDC
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How CDC foundered
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The upside of aging
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Trot on the wild side
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Detecting toxic protein
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The iron did it
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Damaging the heart
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Protected by dimerization
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So much more to mucus
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Old chimp friends
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Obesity and inflammation
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Organized but dynamic
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Looking for charge order
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Siderophore piracy
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De novo design of picomolar SARS-CoV-2 miniprotein inhibitors
Targeting the interaction between the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein and the human angiotensin-converting enzyme 2 (ACE2) receptor is a promising therapeutic strategy. We designed inhibitors using two de novo design approaches. Computer-generated scaffolds were either built around an ACE2 helix that interacts with the spike receptor binding domain (RBD)
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Orderly compartmental mapping of premotor inhibition in the developing zebrafish spinal cord
In vertebrates, faster movements involve the orderly recruitment of different types of spinal motor neurons. However, it is not known how premotor inhibitory circuits are organized to ensure alternating motor output at different movement speeds. We found that different types of commissural inhibitory interneurons in zebrafish form compartmental microcircuits during development that align inhibito
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Polyethylene upcycling to long-chain alkylaromatics by tandem hydrogenolysis/aromatization
The current scale of plastics production and the accompanying waste disposal problems represent a largely untapped opportunity for chemical upcycling. Tandem catalytic conversion by platinum supported on -alumina converts various polyethylene grades in high yields (up to 80 weight percent) to low-molecular-weight liquid/wax products, in the absence of added solvent or molecular hydrogen, with lit
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Supertwisted spirals of layered materials enabled by growth on non-Euclidean surfaces
Euclidean geometry is the fundamental mathematical framework of classical crystallography. Traditionally, layered materials are grown on flat substrates; growing Euclidean crystals on non-Euclidean surfaces has rarely been studied. We present a general model describing the growth of layered materials with screw-dislocation spirals on non-Euclidean surfaces and show that it leads to continuously t
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Triple iron isotope constraints on the role of ocean iron sinks in early atmospheric oxygenation
The role that iron played in the oxygenation of Earth's surface is equivocal. Iron could have consumed molecular oxygen when Fe 3+ -oxyhydroxides formed in the oceans, or it could have promoted atmospheric oxidation by means of pyrite burial. Through high-precision iron isotopic measurements of Archean-Paleoproterozoic sediments and laboratory grown pyrites, we show that the triple iron isotopic
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Structural basis of nucleosome-dependent cGAS inhibition
Cyclic guanosine monophosphate (GMP)–adenosine monophosphate (AMP) synthase (cGAS) recognizes cytosolic foreign or damaged DNA to activate the innate immune response to infection, inflammatory diseases, and cancer. By contrast, cGAS reactivity against self-DNA in the nucleus is suppressed by chromatin tethering. We report a 3.3-angstrom-resolution cryo–electron microscopy structure of cGAS in com
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Structural basis for the inhibition of cGAS by nucleosomes
The cyclic guanosine monophosphate–adenosine monophosphate synthase (cGAS) senses invasion of pathogenic DNA and stimulates inflammatory signaling, autophagy, and apoptosis. Organization of host DNA into nucleosomes was proposed to limit cGAS autoinduction, but the underlying mechanism was unknown. Here, we report the structural basis for this inhibition. In the cryo–electron microscopy structure
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Metasurface-driven OLED displays beyond 10,000 pixels per inch
Optical metasurfaces are starting to find their way into integrated devices, where they can enhance and control the emission, modulation, dynamic shaping, and detection of light waves. In this study, we show that the architecture of organic light-emitting diode (OLED) displays can be completely reenvisioned through the introduction of nanopatterned metasurface mirrors. In the resulting meta-OLED
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Lineage analysis reveals an endodermal contribution to the vertebrate pituitary
Vertebrate sensory organs arise from epithelial thickenings called placodes. Along with neural crest cells, cranial placodes are considered ectodermal novelties that drove evolution of the vertebrate head. The anterior-most placode generates the endocrine lobe [adenohypophysis (ADH)] of the pituitary, a master gland controlling growth, metabolism, and reproduction. In addition to known ectodermal
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Proximal colon-derived O-glycosylated mucus encapsulates and modulates the microbiota
Colon mucus segregates the intestinal microbiota from host tissues, but how it organizes to function throughout the colon is unclear. In mice, we found that colon mucus consists of two distinct O-glycosylated entities of Muc2: a major form produced by the proximal colon, which encapsulates the fecal material including the microbiota, and a minor form derived from the distal colon, which adheres t
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Social selectivity in aging wild chimpanzees
Humans prioritize close, positive relationships during aging, and socioemotional selectivity theory proposes that this shift causally depends on capacities for thinking about personal future time horizons. To examine this theory, we tested for key elements of human social aging in longitudinal data on wild chimpanzees. Aging male chimpanzees have more mutual friendships characterized by high, equ
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Experimental evolution makes microbes more cooperative with their local host genotype
Advances in microbiome science require a better understanding of how beneficial microbes adapt to hosts. We tested whether hosts select for more-cooperative microbial strains with a year-long evolution experiment and a cross-inoculation experiment designed to explore how nitrogen-fixing bacteria (rhizobia) adapt to legumes. We paired the bacterium Ensifer meliloti with one of five Medicago trunca
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Mentorship at a distance
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Oxygen-sensing mechanisms across eukaryotic kingdoms and their roles in complex multicellularity
Oxygen-sensing mechanisms of eukaryotic multicellular organisms coordinate hypoxic cellular responses in a spatiotemporal manner. Although this capacity partly allows animals and plants to acutely adapt to oxygen deprivation, its functional and historical roots in hypoxia emphasize a broader evolutionary role. For multicellular life-forms that persist in settings with variable oxygen concentratio
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Inborn errors of type I IFN immunity in patients with life-threatening COVID-19
Clinical outcome upon infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ranges from silent infection to lethal coronavirus disease 2019 (COVID-19). We have found an enrichment in rare variants predicted to be loss-of-function (LOF) at the 13 human loci known to govern Toll-like receptor 3 (TLR3)– and interferon regulatory factor 7 (IRF7)–dependent type I interferon (IFN)
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Autoantibodies against type I IFNs in patients with life-threatening COVID-19
Interindividual clinical variability in the course of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is vast. We report that at least 101 of 987 patients with life-threatening coronavirus disease 2019 (COVID-19) pneumonia had neutralizing immunoglobulin G (IgG) autoantibodies (auto-Abs) against interferon- (IFN-) (13 patients), against the 13 types of IFN-α (36), or agains
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Design of higher valency in covalent organic frameworks
The valency (connectivity) of building units in covalent organic frameworks (COFs) has been primarily 3 and 4, corresponding to triangles and squares or tetrahedrons, respectively. We report a strategy for making COFs with valency 8 (cubes) and "infinity" (rods). The linker 1,4-boronophenylphosphonic acid—designed to have boron and phosphorus as an isoelectronic combination of carbon-group elemen
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Deep abiotic weathering of pyrite
Pyrite is a ubiquitous iron sulfide mineral that is oxidized by trace oxygen. The mineral has been largely absent from global sediments since the rise in oxygen concentration in Earth's early atmosphere. We analyzed weathering in shale, the most common rock exposed at Earth's surface, with chemical and microscopic analysis. By looking across scales from 10 –9 to 10 2 meters, we determined the fac
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Researchers develop an efficient, low-energy method for upcycling polyethylene plastic waste into valuable molecules
When we started using plastics about 70 years ago, not much thought—if any—was given to the implications of their lifespan and the fact that they can take centuries to decompose. Consequently, as plastics have diversified and become easier to manufacture, the planet is now straddling some 8.3 billion tons of the stuff—almost every bit of plastic ever produced—without enough technology or incentive
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Do the twist: Making two-dimensional quantum materials using curved surfaces
Scientists at the University of Wisconsin-Madison have discovered a way to control the growth of twisting, microscopic spirals of materials just one atom thick.
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The next generation of biodiversity conservation targets must aim higher than ever
Nearly three decades have passed since world leaders agreed to reverse biodiversity loss. It hasn't gone according to plan. This year, the current decade of biodiversity conservation targets are set to expire well short of the goal line. The world needs to change strategies if we are to have any hope for biodiversity. A global group of scientists has provided advice for a more successful replaceme
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Pituitary puzzle gets a new piece, revising evolutionary history
A new USC-led study suggests a change to the developmental—and evolutionary—story of the pituitary gland.
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New tool can diagnose strokes with a smartphone
A new tool could diagnose a stroke based on abnormalities in a patient's speech ability and facial muscular movements, and with the accuracy of an emergency room physician — all within minutes from an interaction with a smartphone.
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Type 1 diabetes: Tannic acid encapsulation protects transplanted islets from rejection
One therapy for Type 1 diabetes is promising — transplanting pancreatic islets from cadavers — but a need for immunosuppression and a reactivated autoimmunity lead to low graft viability and function after five years. Now researchers show that a protective coating of alternating layers of two biopolymers delays allograft and autoimmune-mediated rejection in mouse models of T1D.
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Trot on the wild side
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Detecting toxic protein
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The iron did it
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Damaging the heart
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Protected by dimerization
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So much more to mucus
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Old chimp friends
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The next generation of biodiversity conservation targets must aim higher than ever
Nearly three decades have passed since world leaders agreed to reverse biodiversity loss. It hasn't gone according to plan. This year, the current decade of biodiversity conservation targets are set to expire well short of the goal line. The world needs to change strategies if we are to have any hope for biodiversity. A global group of scientists has provided advice for a more successful replaceme
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Pituitary puzzle gets a new piece, revising evolutionary history
A new USC-led study suggests a change to the developmental—and evolutionary—story of the pituitary gland.
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Chile celebrates successful breeding of endangered frog
A critically endangered species of frog seems to have a bright future after conservationists in Chile launched a rescue campaign that has produced 200 offspring.
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Chile celebrates successful breeding of endangered frog
A critically endangered species of frog seems to have a bright future after conservationists in Chile launched a rescue campaign that has produced 200 offspring.
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Heat-reflecting paint keeps things cool without AC
A new white paint can keep surfaces up to 18 degrees Fahrenheit cooler than their ambient surroundings, researchers report. The paint would absorb nearly no solar energy and send heat away from the building, replacing the need for air conditioning, according to the researchers. Without the building heating up, air conditioning wouldn't have to kick on. "It's very counterintuitive for a surface in
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Stigma impacts psychological, physical health of multiracial people
Policy changes can help to fight stigmas of multiracial Americans, one of the fasting growing minority groups in the United States according to a Rutgers University-led study.
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Common treatment for diabetic macular edema not effective in Black individuals
A medication frequently used to treat diabetic macular edema, which is the most common cause of blindness in people with diabetes, is less effective when used to treat the condition in Black patients, new study results show.
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Do asymptomatic kids with COVID-19 carry less virus?
New questions are at the forefront as a study published in the Journal of Clinical Microbiology from nine children's hospitals finds that most asymptomatic children who tested positive for COVID-19 had relatively low levels of the virus compared to symptomatic children. The authors caution that the reason for this finding is unclear and more questions need to be answered.
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Nasal septum surgery can affect behaviour, say medics from RUDN University
A team of medics from RUDN University conducted an experiment on rats and confirmed that surgeries in the nasal cavity can cause behavioral changes, namely, make the animals timider. This effect is associated with an ANS reaction triggered by stress.
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Video: Why is fertilizer used in explosives?
Over the last century, the compound ammonium nitrate has been involved in at least 30 disasters and terrorist attacks.
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When fracking moves into the neighborhood, mental health risks rise
Hydraulic fracturing has boomed in the U.S. over the past decade, but unless you live near it, you may not realize just how close fracking wells can be to homes and schools. In Colorado, the wellbore—the hole drilled to extract oil or gas—can be 500 feet from someone's house under current state rules. In some states, like Texas, drilling can be even closer.
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Space for climate
The scientific evidence of global climate change is irrefutable. The consequences of a warming climate are far-reaching—affecting fresh water resources, global food production, sea level and triggering an increase in extreme-weather events.
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Mystery of unusual neutron star system revealed after 20 years, thanks to thousands of volunteers
After more than two decades, an international research team has identified a galactic mystery source of gamma rays: a heavy neutron star with a very low mass companion orbiting it.
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Diversity improves among TV actors, but executives still overwhelmingly white and male
When it comes to gender and racial diversity in television industry jobs, the playing field continues to level for women and minorities, but there's stubborn structural gridlock at the highest ranks and behind the camera.
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Microscopy breakthrough reveals how proteins behave in 3-D
Six years ago, the Nobel Prize in chemistry was awarded to three scientists for finding ways to visualize the pathways of individual molecules inside living cells.
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Researchers identify how night-shift work causes internal clock confusion
Night-shift workers face an increased risk of obesity and diabetes, but the underlying reason for that has been a mystery. Now, researchers have found a potential cause for metabolic changes during night-shift work that creates confusion between cells in the body and the central clock in the brain.
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Are bushmeat hunters aware of zoonotic disease? Yes, but that's not the issue
A recent article outlines how researchers with the measured the attitudes, practices and zoonoses awareness among community members associated with the bushmeat trade in northern Uganda.
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Toward a new staging system for prostate cancer, and why it matters
The development and validation of a staging system for non-metastatic prostate cancer could help doctors and patients assess treatment options, as well as improve clinical trials.
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Simple actions can help people survive landslides
Simple actions can dramatically improve a person's chances of surviving a landslide, according to records from 38 landslides in the US and around the world. People who survived landslides tended to show key behaviors such as being aware of the risk, moving to higher ground, and making noise if buried.
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The presence of pets in dune ecosystems is incompatible with the conservation of coastal birds
An investigation by the Department of Microbiology and Ecology of the University of Valencia published in the Ibis magazine warns about the impact of human activities –mainly dog walking– on one of the threatened bird species that reproduce in these ecosystems, the Kentish plover. The study calls for the adoption of measures that separate both uses and allow the coexistence between the recreationa
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Telecom transmitter masts can be used to predict rain
Rain showers are difficult to predict, as they usually develop into a downpour within half an hour, resulting in flooding. Much depends on being able to spot time, location and precipitation ahead of time on the radar. The well-known precipitation radar now gets unexpected help. Researchers from WUR, KNMI (Dutch national meteorological institute) and Deltares use the signal strength of commercial
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The presence of pets in dune ecosystems is incompatible with the conservation of coastal birds
An investigation by the Department of Microbiology and Ecology of the University of Valencia published in the Ibis magazine warns about the impact of human activities –mainly dog walking– on one of the threatened bird species that reproduce in these ecosystems, the Kentish plover. The study calls for the adoption of measures that separate both uses and allow the coexistence between the recreationa
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Enzyme biofactories to enhance cord blood transplants
A new way of producing an enzyme called fucosyltransferase VI (FTVI) in the lab could help enhance the therapeutic potential of cord blood transplants.
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Why do white Americans support both strict immigration policies and dream act?
White Americans support strict immigration policies while at the same time favor the DREAM Act that would grant legal status to some immigrants who were brought to the United States as children, a contradiction linked to racial resentment and the belief that equality already exists, according to a Rutgers-led study.
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Enzyme biofactories to enhance cord blood transplants
A new way of producing an enzyme called fucosyltransferase VI (FTVI) in the lab could help enhance the therapeutic potential of cord blood transplants.
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A tiny circular racetrack for light can rapidly detect single molecules
My Little Sensor Lab at the University of Arizona develops ultrasensitive optical sensors for medical diagnostics, medical prognostics, environmental monitoring and basic science research. Our sensor technology identifies substances by shining light on samples and measuring the index of refraction, or how much light is slowed down when it passes through a material, which is different from one subs
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Author Correction: Allele specific repair of splicing mutations in cystic fibrosis through AsCas12a genome editing
Nature Communications, Published online: 22 October 2020; doi:10.1038/s41467-020-19351-2
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Researchers: Claim of Life Molecules on Venus May Have Been an Error
Clear Skies After last month's landmark discovery that there's phosphine gas — a potential sign of life — in the clouds of Venus, a separate team of scientists now has more sobering news. A followup analysis on data from 2015 didn't find any phosphine at all, according to New Scientist . The scientists behind the study say that it doesn't necessarily discredit the phosphine discovery, mind you, b
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Little bat-winged dinos could glide, but not fly
Two small dinosaurs with bat-like wings struggled to fly but could glide clumsily between trees, researchers report. Unable to compete with other tree-dwelling dinosaurs and early birds , Yi and Ambopteryx went extinct after just a few million years. The findings, published in iScience , support that dinosaurs evolved flight in several different ways before modern birds evolved. Theropods are car
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Comparing canine brains using 3-D-endocast modelling
Based on digital endocranial cast models, the canine brain does not increase proportionally with body size. Researchers at ELTE Eötvös Loránd and Kaposvár University in Hungary reconstructed the surface morphology of 28 canine brains, including various dog breeds, wolves, coyotes, and jackals. The shortening of the facial skeleton greatly influences the ratio of certain brain regions, primarily th
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Comparing canine brains using 3-D-endocast modelling
Based on digital endocranial cast models, the canine brain does not increase proportionally with body size. Researchers at ELTE Eötvös Loránd and Kaposvár University in Hungary reconstructed the surface morphology of 28 canine brains, including various dog breeds, wolves, coyotes, and jackals. The shortening of the facial skeleton greatly influences the ratio of certain brain regions, primarily th
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A tiny circular racetrack for light can rapidly detect single molecules
My Little Sensor Lab at the University of Arizona develops ultrasensitive optical sensors for medical diagnostics, medical prognostics, environmental monitoring and basic science research. Our sensor technology identifies substances by shining light on samples and measuring the index of refraction, or how much light is slowed down when it passes through a material, which is different from one subs
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Cicada-inspired waterproof surfaces closer to reality, researchers report
A multidisciplinary group that studies the physical and chemical properties of insect wings has demonstrated the ability to reproduce the nanostructures that help cicada wings repel water and prevent bacteria from establishing on the surface. The new technique—which uses commercial nail polish—is economical and straightforward, and the researchers said it will help fabricate future high-tech water
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Will you give a new leader a chance? One can get stuck on negativity
The first year of a new leader can be challenging—particularly if he or she comes from outside the organization, reveals Hilpi Kangas' doctoral dissertation at the University of Vaasa, Finland.
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Airbus set to boost production of world's most popular passenger jet
Group aims to lift output of A320neo single-aisle aircraft next year
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FEFU scientists helped design a new type of ceramics for laser applications
Material scientists from Far Eastern Federal University (FEFU) joined an international team of researchers to develop new nanocomposite ceramics (Ho3+:Y2O3-MgO) that can be employed in high-capacity laser systems operating in the medium infrared range (IR) of 2-6 micrometers. These lasers are safe for the human vision and have multiple applications in various fields of economy, including industry,
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Time is not on their side: physicians face barriers to voting
Two new UT Southwestern studies published today report some surprising findings: Only half of practicing physicians are registered to vote, and the most common obstacle faced by resident physicians is the lack of time to vote. The researchers say finding ways to increase voter participation among doctors is critical as the nation tackles health care issues.
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Cord blood DNA can hold clues for early ASD diagnosis and intervention
Specific regions in cord blood DNA can help identify kids who might develop autism, according to a UC Davis MIND Institute study. The findings from the study may hold clues for early autism diagnosis and intervention.
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Cold? Flu? COVID? Here's how to tell
How can you tell if you have a cold, the flu, or COVID-19? An expert offers advice for those worried sick about their symptoms. You wake up one morning feeling under the weather. While in previous years you may have chalked up a sore throat or body aches to a run-of-the-mill cold or flu, this year's COVID-19 pandemic adds a new element of concern to getting sick. "There is significant overlap bet
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Reviewing multiferroics for future, low-energy data storage
Big data and exponential demands for computations are driving an unsustainable rise in global ICT energy use. A new study reviews the use of the 'multiferroic' material bismuth-ferrite, which allows for low-energy switching in data storage devices and could be applied in a future generation of ultra-low-energy electronics.
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Researchers solve 'protein paradox' and suggest way to exploit cancer weakness
Researchers have discovered how thus far a mysterious function of the so-called MCM proteins protect the human cells against DNA instability, which can cause devastating diseases including cancer. In addition to their known role as molecular motors of genome duplication, MCM proteins control the speed of this process. How cells manage to constrain the speed of DNA replication has puzzled researche
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Norway funds satellite map of world's tropical forests
Norway pays for a monthly satellite dataset to track the state of the world's tropical forests.
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The moon will soon have cell service
Talk about roaming! (NASA /) If NASA's Artemis program succeeds in returning humans to the moon in 2024, the astronauts may have the option of tweeting their first words before leaving their first footprints. Last week, the US space agency announced a $14.1 million contract with the telecommunications company Nokia to build an LTE cellular network on the moon, one of 15 NASA grants awarded this y
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Daily briefing: How the uncrushable beetle got so strong
Nature, Published online: 22 October 2020; doi:10.1038/d41586-020-02996-w What makes the diabolical ironclad beetle unsquashable, faster-than-light travels in quantum tunnels and the false promise of herd immunity for COVID-19.
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Rapid method of isolating tumor-targeting T cells could propel personalized cancer treatment
When it comes to defeating cancer, some immune cells are mightier than others. But even the best-trained eye and today's advanced scientific tools have trouble discerning the most powerful tumor-fighting cells from the rest. A new technique developed by Scripps Research scientist Peng Wu, PhD, aims to change that–offering a new platform that could propel personalized cancer treatments that have b
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Bat-winged dinosaurs that could glide
Despite having bat-like wings, two small dinosaurs, Yi and Ambopteryx, struggled to fly, only managing to glide clumsily between the trees where they lived, according to a new study led by an international team of researchers, including McGill University Professor Hans Larsson. Unable to compete with other tree-dwelling dinosaurs and early birds, they went extinct after just a few million years. T
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Tracer molecule may improve imaging tests for brain injury
Researchers have validated a new radiolabeled molecule that can be used with imaging tests to accurately detect and characterize brain injury.
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Traceable, Reliable, and Reproducible Science: TRACKMAN® Connected
TRACKMAN® Connected is a tablet with accessories and apps that makes pipetting faster and more verifiable, which improves reliability, traceability, and reproducibility at the bench.
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AI Assesses Alzheimer's Risk by Analyzing Word Usage
New models used writing samples to predict the onset of the disease with 70 percent accuracy — Read more on ScientificAmerican.com
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Brain scans show partisan response to key words
Brain scans indicate that liberals and conservatives respond differently to the same videos about hot-button topics. That's especially when the content contains vocabulary that frequently pops up in political campaign messaging. Researchers scanned the brains of more than three dozen politically left- and right-leaning adults as they viewed short videos involving controversial immigration policie
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Cicada-inspired waterproof surfaces closer to reality
A multidisciplinary group that studies the physical and chemical properties of insect wings has demonstrated the ability to reproduce the nanostructures that help cicada wings repel water and prevent bacteria from establishing on the surface. The new technique – which uses commercial nail polish – is economical and straightforward, and the researchers said it will help fabricate future high-tech w
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Traceable, Reliable, and Reproducible Science: TRACKMAN® Connected
TRACKMAN® Connected is a tablet with accessories and apps that makes pipetting faster and more verifiable, which improves reliability, traceability, and reproducibility at the bench.
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COVID-19 Surges In Rural Communities, Overwhelming Some Local Hospitals
As COVID-19 cases increase, many rural communities, places which were largely spared during the early months of the pandemic, are now contending with a spike in infections and hospitalizations. (Image credit: Daniel Acker/Bloomberg via Getty Images)
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Details about broadly neutralizing antibodies provide insights for universal flu vaccine
New research from an immunology team at the University of Chicago may shed light on the challenges of developing a universal flu vaccine that would provide long-lasting and broad protection against influenza viruses.
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'Mini-lungs' reveal early stages of SARS-CoV-2 infection
'Mini-lungs' grown from tissue donated to Cambridge hospitals has provided a team of scientists from South Korea and the UK with important insights into how COVID-19 damages the lungs. Writing in the journal Cell Stem Cell, the researchers detail the mechanisms underlying SARS-CoV-2 infection and the early innate immune response in the lungs.
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Increasing sleep time after trauma could ease ill effects, study says
Increasing the amount of time spent asleep immediately after a traumatic experience may ease any negative consequences, suggests a new study conducted by WSU researchers. Published today in Scientific Reports, the study helps build a case for use of sleep therapeutics following trauma exposure. The finding holds promise for populations that are routinely exposed to trauma, such as military personn
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Individuals may legitimize hacking when angry with system or authority
University of Kent research has found that when individuals feel that a system or authority is unresponsive to their demands, they are more likely to legitimise hacker activity at an organisation's expense.
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Aerial images detect and track food security threats for millions of African farmers
New research shows how a combination of imagery from mobile phones, drones and satellites can be used to clamp down on banana threats. The images of varying resolutions are fed into a platform 'trained' through machine learning to identify banana crops and analyze threats with 97% overall accuracy.
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Humans are born with brains 'prewired' to see words
Humans are born with a part of the brain that is prewired to be receptive to seeing words and letters, setting the stage at birth for people to learn how to read, a new study suggests.Analyzing brain scans of newborns, researchers found that this part of the brain – called the "visual word form area" (VWFA) – is connected to the language network of the brain.
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Why do white Americans support both strict immigration policies and dream act?
White Americans support strict immigration policies while at the same time favor the DREAM Act that would grant legal status to some immigrants who were brought to the United States as children, a contradiction linked to racial resentment and the belief that equality already exists, according to a Rutgers-led study.
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Toward a new staging system for prostate cancer, and why it matters
The development and validation of a staging system for non-metastatic prostate cancer could help doctors and patients assess treatment options, as well as improve clinical trials.
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Hacker Says He Got Into Trump's Twitter Account
Weak Sauce A Dutch security researcher named Victor Gevers claims he managed to get into president Donald Trump's Twitter account — by guessing an "extremely weak and easy to guess password," as Dutch newspaper de Volksrant reports . Trump didn't even bother to turn on two-step verification, according to the researcher. Gevers was astonished when, on just on his fifth try, he was able to get in t
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AI Assesses Alzheimer's Risk by Analyzing Word Usage
New models used writing samples to predict the onset of the disease with 70 percent accuracy — Read more on ScientificAmerican.com
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AI Assesses Alzheimer's Risk by Analyzing Word Usage
New models used writing samples to predict the onset of the disease with 70 percent accuracy — Read more on ScientificAmerican.com
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Simplified method to modify disease signaling with light
Cellular optogenetics is a technique that allows researchers to use light to precisely control cell signaling and function in space and time enabling the investigation of mechanisms involved in disease processes. A research team has developed a novel way to make cellular optogenetic tools much easier to monitor and apply, and showed how they can be used to investigate the cellular side effects of
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Cicada-inspired waterproof surfaces closer to reality
A multidisciplinary group that studies the physical and chemical properties of insect wings has demonstrated the ability to reproduce the nanostructures that help cicada wings repel water and prevent bacteria from establishing on the surface. The new technique – which uses commercial nail polish – is economical and straightforward, and the researchers said it will help fabricate future high-tech w
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These two bird-sized dinosaurs evolved the ability to glide, but weren't great at it
Despite having bat-like wings, two small dinosaurs, Yi and Ambopteryx, struggled to fly, only managing to glide clumsily between the trees where they lived, researchers report. Unable to compete with other tree-dwelling dinosaurs and early birds, they went extinct after just a few million years. The findings support that dinosaurs evolved flight in several different ways before modern birds evolve
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A wearable sensor to help ALS patients communicate
Researchers have designed a skin-like device that can be attached to the face and measure small movements such as a twitch or a smile. With this approach, patients with amyotrophic lateral sclerosis (ALS) could communicate a variety of sentiments with small movements that are measured and interpreted by the device.
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Antiretroviral therapy can't completely stop accelerated cell aging seen in HIV
Untreated HIV infection is linked with epigenetic changes that suggest rapid aging. A new study shows that antiretroviral therapy given over two years was unable to completely restore age-appropriate epigenetic patterns, leaving patients more susceptible to aging-related illnesses.
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Multiple sclerosis as the flip side of immune fitness
About half of the people with multiple sclerosis have the HLA-DR15 gene variant. A study has now shown how this genetic predisposition contributes to the development of the autoimmune disease multiple sclerosis in combination with environmental factors. The decisive factor is the shaping of a repertoire of immune cells which – although they are effective in fighting off pathogens such as Epstein-B
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New approach to fighting cancer could reduce costs and side effects
Researchers have developed a novel approach based on microfluidic technology to 'purify' the immune cells of patients in the fight against cancer.
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The Militia That Fox News Built
Getty / Paul Spella / The Atlantic As early voting began in Atlanta, Georgia, last week, members of the local Security Force Three Percent, a self-styled military group composed of roughly 400 members, were smoking Marlboro 100s and waxing apocalyptic about the state of America. "Well, I think the coronavirus is a scam, first and foremost," declared Chris Hill, the commanding officer of the milit
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Researcher: Electric Cars Aren't the Answer to Climate Change
Share The Road Electric cars are becoming increasingly-feasible replacements for their gas-guzzling cousins, which is a nice sign for the survival of our species. But streets filled with battery-powered cars won't be nearly enough to stop climate change, University of Toronto environmental engineer Alexandre Milovanoff wrote in The Conversation . According to his work, we'll have to get more ambi
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Axillary surgery may not be necessary for all women with invasive breast cancer
More women could potentially be spared an axillary lymph node dissection — the surgical removal of 10-20 lymph nodes — a procedure that causes disabling arm swelling in up to 25% of women, according to a UCLA study.
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Are bushmeat hunters aware of zoonotic disease? Yes, but that's not the issue
A recent paper published in the journal PLOS ONE, outlines how researchers with the University of Tennessee College of Veterinary Medicine and Department of Forestry, Wildlife and Fisheries, measured the attitudes, practices and zoonoses awareness among community members associated with the bushmeat trade in northern Uganda.
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Simplified method to modify disease signaling with light
Cellular optogenetics is a technique that allows researchers to use light to precisely control cell signaling and function in space and time enabling the investigation of mechanisms involved in disease processes. A research team has developed a novel way to make cellular optogenetic tools much easier to monitor and apply, and showed how they can be used to investigate the cellular side effects of
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U.S. Cities' Actions Fall Short of Lofty Climate Goals
Only 45 of the 100 largest municipalities have set clear targets for reducing emissions, but most are falling behind on them — Read more on ScientificAmerican.com
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Dinosaur fossil with preserved genital orifice hints how they mated
The shape of the dinosaur's cloaca, the orifice used for excretion and mating, resembles those of crocodiles, which suggests dinosaurs did have penises after all
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Colorado River drought can be predicted by warming in the ocean
A climate model that accounts for the ocean's ability to retain heat and release it slowly can forecast drought in the Colorado River, which provides water to 30 million people in the US and Mexico
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Llamas may have been buried alive in ritual sacrifice by the Incas
The remains of llamas killed in mass sacrifices by the Incas have been found, and there is no sign of injury – suggesting the animals were buried alive
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Robot trained in a game-like simulation performs better in real life
A robot controlled by a neural network algorithm that was trained in a video game-like simulation is better able to navigate difficult terrain in real life
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Email should be obsolete by now, so why are we still using it?
Email is often slow, dull and annoying, yet its dogged determination has allowed it to weather dramatic changes in technology over the decades, writes Annalee Newitz
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Covid-19 news: Sheffield and Doncaster set for tier 3 restrictions
The latest coronavirus news updated every day including coronavirus cases, the latest news, features and interviews from New Scientist and essential information about the covid-19 pandemic
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More doubts cast on potential signs of life on Venus
A new analysis of the recent observations that seemed to show phosphine gas on Venus – a potential sign of life – suggests that the original claimed detection might be a statistical error
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Superwhite paint can cool buildings even in hot sunlight
A new superwhite paint is so reflective that it can cool a surface to below the surrounding air temperature, even under sunlight. It could help reduce the use of energy-intensive air conditioning in hot countries
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Near-uncrushable beetle's exoskeleton could inspire tough structures
The diabolical ironclad beetle is almost uncrushable thanks to two newly discovered features of its exoskeleton. Mimicking these could help us build tougher structures
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US election 2020: Trump's impact on the environment, health and space
Whatever the outcome of the US presidential election, Donald Trump is likely to have a lasting impact on the nation's health, environmental regulations and space exploration
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Is the coronavirus evolving and will it become more or less deadly?
So far, we haven't seen much change in the coronavirus, but as we develop more therapies and potentially a vaccine it could mutate
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Some male fish use their tails to fan rivals' sperm away from eggs
To boost their chances of fertilising a nest-load of eggs, male dusky frillgoby fish use their tailfin to fan away the sperm deposited by rivals
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UK's vital covid-19 infection tracking survey deluged by complaints
The UK's flagship covid-19 infection tracking survey has been deluged by complaints, with volunteers calling it an "absolute shambles" and "disappointing and frustrating"
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Venus might not have signs of life after all, say astronomers
Measurements of phosphine in Venus's clouds have sparked speculation that it could have come from life, but a new analysis of infrared measurements from 2015 has failed to find the gas
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UK trial plans to infect volunteers with the coronavirus in January
A UK trial that involves intentionally infecting healthy volunteers with the coronavirus will start in January if approved by health authorities. The aim is to establish the minimum infectious dose before testing potential vaccines
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NASA is about to grab a chunk of rock from asteroid Bennu
NASA's OSIRIS-REx spacecraft is about to extend its robotic arm and bounce off the asteroid Bennu, collecting a sample of dust and rocks to bring back to Earth in 2023
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India's coronavirus pandemic is leading to many more deaths from TB
The coronavirus pandemic has made it harder for people in India to access healthcare for tuberculosis and almost 88,000 additional deaths due to TB are expected this year
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Plastic baby bottles shed millions of microplastics when shaken
The plastic bottles used to feed babies shed an average of 4 million microplastic particles per litre into infant formula, but the impact on child health is unclear
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Facebook AI can translate directly between any of 100 languages
Facebook has developed an AI that can translate directly between any pair of 100 languages without having to go through an English translation first, as many existing systems do
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Should we plan for regular 'circuit-breaker' coronavirus lockdowns?
Planning regular two-week lockdowns could be better than reacting to changing covid-19 case numbers, some scientists argue – but the UK may have left it too late for this strategy
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Covid-19 slowed climate action but now we know we can make big changes
The covid-19 pandemic has shown us that rapid change to both systems and behaviours are possible – now we must harness what we have learned as we rebuild our economies
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Finally, a way to see molecules 'wobble'
Researchers have found a way to visualize those molecules in even greater detail, showing their position and orientation in 3D, and even how they wobble and oscillate. This could shed invaluable insights into the biological processes involved, for example, when a cell and the proteins that regulate its functions react to a COVID-19 virus.
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Social life as a driving factor of birds' generosity
Taking a look at generosity within the crow family reveals parallels with human evolution. Working together to raise offspring and increased tolerance towards group members contribute to the emergence of generous behavior among ravens, crows, magpies and company. Biologists found that the social life of corvids is a crucial factor for whether the birds act generously or not.
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For the first time: Realistic simulation of plasma edge instabilities in tokamaks
Among the loads to which the plasma vessel in a fusion device may be exposed, so-called edge localized modes are particularly undesirable. By computer simulations the origin and the course of this plasma-edge instability could now be explained for the first time in detail.
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Optical wiring for large quantum computers
Researchers have demonstrated a new technique for carrying out sensitive quantum operations on atoms. In this technique, the control laser light is delivered directly inside a chip. This should make it possible to build large-scale quantum computers based on trapped atoms.
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Preventing lead poisoning at the source
Using a variety of public records, researchers examined every rental property in Cleveland from 2016-18 on factors related to the likelihood that the property could have lead-safety problems.
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Researchers identify how night-shift work causes internal clock confusion
Night-shift workers face an increased risk of obesity and diabetes, but the underlying reason for that has been a mystery. Now, University of Missouri School of Medicine researchers have found a potential cause for metabolic changes during night-shift work that creates confusion between cells in the body and the central clock in the brain.
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Why is fertilizer used in explosives? (video)
Over the last century, the compound ammonium nitrate has been involved in at least 30 disasters and terrorist attacks. Under normal circumstances, it's totally harmless and used in things like fertilizer, so what makes ammonium nitrate turn deadly?: https://youtu.be/-SeT3N3A19c.
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New tool can diagnose strokes with a smartphone
A new tool created by researchers at Penn State and Houston Methodist Hospital could diagnose a stroke based on abnormalities in a patient's speech ability and facial muscular movements, and with the accuracy of an emergency room physician — all within minutes from an interaction with a smartphone.
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I Found a Clinton-Trump Voter
PHILADELPHIA—They had to be out there. The country is too big for them not to be. Somewhere in the electorate existed that scarce band of voters: the few and far between who backed Hillary Clinton in 2016 and now want to keep President Donald Trump in power. But where? Who are the people who looked at two candidates different in every way imaginable and concluded, four years apart, that both are
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Communication Experts' Advice for Handling Trump's Interruptions
The first presidential debate between President Donald Trump and former Vice President Joe Biden, which took place near the end of last month, was an incoherent mess , with Trump interrupting Biden and the moderator, Chris Wallace, incessantly . "I'm just sad with the way last night turned out," Wallace told a reporter the following day. In advance of the second, and final, presidential debate, s
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Finally, a way to see molecules 'wobble'
Researchers have found a way to visualize those molecules in even greater detail, showing their position and orientation in 3D, and even how they wobble and oscillate. This could shed invaluable insights into the biological processes involved, for example, when a cell and the proteins that regulate its functions react to a COVID-19 virus.
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The highly effective and affordable highway ITL Interchange
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Physicists create 3-D printed microboat
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Forget AR glasses. Augmented reality is headed to your windshield
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Where are we at towards arthritis/joint/cartilage improvements?
As of now, if your joints are damaged that's pretty much it. Their is no way to grow back cartilage, and you cannot get joints replaced (especially if it's in the spine). Do we have any hope for arthritis/joint/cartilage improvements in our lifetimes? submitted by /u/tits_mcgee_92 [link] [comments]
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White House Nears New Rules on Artificial Intelligence
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How China could be carbon neutral by mid-century
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Shetland Island (UK) Space Centre plans one step closer to launch
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Electric cars as cheap to manufacture as regular models by 2024
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Scientists drive tiny robot around inside living butthole
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Bot posing as human fooled people on Reddit for an entire week
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Scientists Restore Vision in Blind Mice Using Gene Therapy
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Growing Human Neurons Connected to a Computer
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Government urged to sell cocaine and ecstasy in pharmacies
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Geothermal energy is poised for a big breakout
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Journal flags — but does not retract — decades-old paper on "correcting" gender identity
A psychology journal has expressed concern about a 46-year-old paper which described attempts to correct "deviant" gender identity in a 5-year-old boy using physical violence — the latest example of journals purging (or semi-purging) their pages of offensive studies. The 1974 article, "Behavioral treatment of deviant sex‐role behaviors in a male child," appeared in the … Continue reading
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Hot från rymden – en stor smäll
I september for en asteroid, stor som en minibuss, förbi jorden. Den kunde lika gärna ha krockat med oss. Nya observationer visar att risken för ödesdigra krockar med jordnära asteorider är betydligt större än man tidigare trott. En asteroid gjorde slut på dinosaurierna och banade väg för människan. Till skillnad från urtidsdjuren har människan förmåga att upptäcka nästa stora stenbumling som när
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Oh No: Boston Dynamics Will Start Selling Arms For Its Robodogs
Right to Bear Arms Boston Dynamics is getting ready to start selling a whole lineup of accessories for its robodog extraordinaire Spot, including charging bricks, camera kits — and even a prehensile arm that attaches to the robot's "head." The robot went on sale to the public for $75,000 apiece last year. The robodog has found plenty of jobs since then, from completing mundane tasks like doing ni
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How to safely visit the doctor during COVID-19
It's important not to put off doctor appointments and there are ways you can stay safe when seeing your doctor in person, Ann M. Nguyen argues. The COVID-19 pandemic has left many people with chronic health conditions relying on telemedicine rather than seeing their doctor in person when necessary or putting off important visits entirely because they fear being infected. Nguyen , an assistant res
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A New Map of All the Particles and Forces
A ll of nature springs from a handful of components — the fundamental particles — that interact with one another in only a few different ways. In the 1970s, physicists developed a set of equations describing these particles and interactions. Together, the equations formed a succinct theory now known as the Standard Model of particle physics. The Standard Model is missing a few puzzle pieces (cons
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The Hidden Structure of the Universe
Around 400 BCE, Democritus declared that the cosmos is "in reality only atoms and the void," a prophetic statement if ever there was one. It would take over 2,000 years for scientists to conclusively demonstrate that the hidden structure underlying all the things we see — steel and stars, frogs and fire — could be described in terms of fundamental, indistinguishable building blocks. Then we looke
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Lab-grown mini-lungs mimic the real thing – right down to covid infection
A team of Duke researchers has developed a lab-grown living lung model that mimics the tiny air sacs of the lungs where coronavirus infection and serious lung damage take place. This advance has enabled Duke and UNC virologists to watch the battle between the SARS-CoV-2 coronavirus and lung cells at the finest molecular scale. In experiments so far, the mini lungs respond just like the real thing.
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Soil fungi act like a support network for trees, study shows
University of Alberta research is first to show that growth rate of adult trees is linked to fungal networks colonizing their roots.
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COVID-19: Dexamethasone discovery carries treatment implications
A new finding about dexamethasone suggests diabetes and other factors may reduce its potentially lifesaving effectiveness for patients with severe COVID-19.
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Hackensack Meridian CDI, University of Michigan show faster COVID-19 antibody test
A new portable "lab on a chip," developed by the U-M scientists and demonstrated with help of the CDI, can identify the presence of COVID-19 antibodies in blood donors with greater speed and efficiency than the current standard
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Telehealth saved lives in the pandemic. Now, its days may be numbered.
When telehealth visits began skyrocketing at the start of the pandemic, hospitals had to increase their number of virtual appointments by magnitudes. Most did it seamlessly. Big Think spoke to Dr. Martin Doerfler, director of the Office of Clinical Transformation at Northwell Health, about this transition and how it benefited patients. Telehealth has proven its value during the pandemic, but it m
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Cognitive elements of language have existed for 40 million years
Humans are not the only beings that can identify rules in complex language-like constructions — monkeys and great apes can do so, too, a new study has shown. Researcher used a series of experiments based on an 'artificial grammar' to conclude that this ability can be traced back to our ancient primate ancestors.
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Einstein's theory of relativity, critical for GPS, seen in distant stars
What do Albert Einstein, the Global Positioning System (GPS), and a pair of stars 200,000 trillion miles from Earth have in common?
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U.S. cities struggling to meet lofty climate goals
Roughly half of 100 largest cities have failed to set targets, new report finds
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Proteintech Acquires ChromoTek, Expanding its Next Generation Antibody Tools
Proteintech, the benchmark in antibodies, today announces the acquisition of ChromoTek, a manufacturer of Camelid, single-domain antibodies, also known as nanobodies.
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Is Your PCR Reaction Healthy?
In this webinar brought to you by MilliporeSigma, explore how improving nucleic acid extraction is vital for PCR robustness.
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Ideologi avslöjas av magnetkamera
Vad händer i hjärnan när samma information får personer att reagera helt olika utifrån politisk inriktning? Den frågan har forskare vid University of California undersökt i en studie där 38 deltagare fick titta på videor och samtidigt undersökas med magnetkamera, som förutom att hitta tumörer och hjärnblödningar även avbildar hjärnaktivitet.
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Shedding light on moiré excitons: A first-principles perspective
Moiré superlattices that are located within van der Waals (vdW) heterostructures can trap long-lived interlayer excitons to form ordered quantum dot arrays, paving the way for unprecedented optoelectronic and quantum information applications. Excitons are an electrically neutral quasiparticle that can transport energy without transporting net electric charge. They form when a material absorbs a ph
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Tooth marks and lost teeth offer insights into dinosaur feeding behavior
The carcass of a large long-necked dinosaur in the Junggar Basin in northwestern China served as food for several other dinosaurs, Tübingen paleontologists say, citing tooth marks on the bones and several dinosaur teeth, which matched the tooth marks perfectly. A research team from the Geoscience Department at the University of Tübingen found that the large number of bite marks on the 20-meter car
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Author Correction: Concerted pulsatile and graded neural dynamics enables efficient chemotaxis in C. elegans
Nature Communications, Published online: 22 October 2020; doi:10.1038/s41467-020-19316-5
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Comparing canine brains using 3D-endocast modelling
Based on digital endocranial cast models the canine brain does not increase proportionally with body size. Researchers at ELTE Eötvös Loránd and Kaposvár University in Hungary reconstructed the surface morphology of 28 canine brains, including various dog breeds, wolves, coyotes, and jackals. The shortening of the facial skeleton greatly influences the ratio of certain brain regions, primarily the
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Global MRI data offers hope for improving treatment of brain injuries
A sizable research consortium coordinated by NTNU and St. Olavs Hospital will analyse large amounts of MRI exam data from around the world. The data will help researchers gain important new understanding about brain injuries in people who have had trauma to the head. The goal is to improve patient health care.
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Finally, a way to see molecules 'wobble'
Researchers at the University of Rochester and the Fresnel Institute in France have found a way to visualize those molecules in even greater detail, showing their position and orientation in 3D, and even how they wobble and oscillate. This could shed invaluable insights into the biological processes involved, for example, when a cell and the proteins that regulate its functions react to a COVID-19
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Turning streetwear into solar power plants
Researchers at Empa and ETH Zurich succeeded in developing a material that works like a luminescent solar concentrator and can even be applied to textiles. This opens up numerous possibilities for producing energy directly where it is needed, i.e. in the use of everyday electronics.
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Cicada-inspired waterproof surfaces closer to reality, researchers report
A multidisciplinary group that studies the physical and chemical properties of insect wings has demonstrated the ability to reproduce the nanostructures that help cicada wings repel water and prevent bacteria from establishing on the surface. The new technique – which uses commercial nail polish – is economical and straightforward, and the researchers said it will help fabricate future high-tech w
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How does the immune system develop in the first days of life?
Researchers highlight the anti-inflammatory response taking place after birth and designed to shield the newborn from infection. Early protection is ensured by the innate immunity through the rapid development of the complement pathway during the first week after birth.
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RUDN University chemist suggested synthesizing bioactive substances using a copper catalyst
A chemist from RUDN University used a copper catalyst in the click reaction of triazole synthesis. Triazoles are bioactive substances that are used to treat fungal diseases and synthesize pharmaceutical drugs and also play a role in polymer chemistry. The catalyst not only accelerated the reaction several times but also helped perform it at room temperature and without any bases or solvents. The r
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Researchers discover 'spooky' similarity in how brains and computers see
The brain detects 3D shape fragments (bumps, hollows, shafts, spheres) in the beginning stages of object vision – a newly discovered strategy of natural intelligence that Johns Hopkins University researchers also found in artificial intelligence networks trained to recognize visual objects.
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A wearable sensor to help ALS patients communicate
MIT researchers have designed a skin-like device that can be attached to the face and measure small movements such as a twitch or a smile. With this approach, patients with amyotrophic lateral sclerosis (ALS) could communicate a variety of sentiments with small movements that are measured and interpreted by the device.
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Rural-urban differences in health care use, survival among individuals with Alzheimer disease, related dementia
Researchers investigated differences in health care use and survival between Medicare patients with Alzheimer disease and related dementia living in rural compared with urban areas.
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Troubled independent oncology practices in COVID-19 era
The financial risks and challenges for independent oncology practices in the COVID-19 era and possible solutions to promote their stability and survival are discussed in this Viewpoint.
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Paediatrics: Antiepileptic drug exposure in pregnancy and neurodevelopmental disorder risk
Children born to mothers who took the antiepileptic drug sodium valproate during pregnancy may have a four to five-fold increased risk of developing neurodevelopmental disorders in early childhood, according to a study in Scientific Reports. Fifty of the 991 French children (5%) who were exposed to sodium valproate were diagnosed with neurodevelopmental disorders in their first five years, compare
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These two bird-sized dinosaurs evolved the ability to glide, but weren't great at it
Despite having bat-like wings, two small dinosaurs, Yi and Ambopteryx, struggled to fly, only managing to glide clumsily between the trees where they lived, researchers report October 22 in the journal iScience. Unable to compete with other tree-dwelling dinosaurs and early birds, they went extinct after just a few million years. The findings support that dinosaurs evolved flight in several differ
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Soil fungi act like a support network for trees, study shows
Being highly connected to a strong social network has its benefits. Now a new University of Alberta study is showing the same goes for trees, thanks to their underground neighbors.
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Researchers publish rebuttal of prior study on ocean acidification effects on the behavior of coral reef fishes
A group of thirteen researchers from six countries has released a new scientific paper rejecting an earlier study claiming ocean acidification has no effects of the behavior of coral reef fishes.
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Researchers solve longstanding 'protein paradox' and suggest way to exploit cancer weakness
Researchers from UCPH have discovered how a mysterious function of the so called minichromosome maintenance (MCM) proteins protect the human cells against DNA instability, which can cause devastating diseases including cancer. In addition to their known role as molecular motors of genome duplication, MCM proteins in inactive state are now found to control the speed of this process. How cells manag
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African crocodiles lived in Spain six million years ago
Millions of years ago, several species of crocodiles of different genera and characteristics inhabited Europe and sometimes even coexisted. But among all these species, it was thought unlikely that crocodiles of the genus Crocodylus, of African origin, had ever lived in the Mediterranean basin. The remains found in the Italian regions of Gargano, Tuscany and Scontrone over the last few decades con
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Why lockdown had little to no effect on global temperatures
Countries across the world took unprecedented action in the first few months of 2020 to control the spread of COVID-19. At its peak, one-third of the world's population was in lockdown. Around the world, car travel fell by 50%, the number of flights plummeted by 75% and industrial activity fell by around 35%.
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Soil fungi act like a support network for trees, study shows
Being highly connected to a strong social network has its benefits. Now a new University of Alberta study is showing the same goes for trees, thanks to their underground neighbors.
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Does going green pay off?
Research published in the World Review of Entrepreneurship, Management and Sustainable Development hopes to answer that question from a sustainability performance perspective.
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Researchers publish rebuttal of prior study on ocean acidification effects on the behavior of coral reef fishes
A group of thirteen researchers from six countries has released a new scientific paper rejecting an earlier study claiming ocean acidification has no effects of the behavior of coral reef fishes.
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A dead end on the way to the sky
Nature, Published online: 22 October 2020; doi:10.1038/d41586-020-02936-8 Little bat-like dinosaurs could glide — but only just.
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SARS-CoV-2 Disables Key Components of Human Cells' Defense System
Researchers detail how viral proteins interact with host RNA to disrupt the cell's ability to fight back against infection.
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Researchers solve longstanding 'protein paradox' and suggest way to exploit cancer weakness
Researchers from UCPH have discovered how a mysterious function of the so called minichromosome maintenance (MCM) proteins protect the human cells against DNA instability, which can cause devastating diseases including cancer. In addition to their known role as molecular motors of genome duplication, MCM proteins in inactive state are now found to control the speed of this process. How cells manag
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Reviewing multiferroics for future, low-energy data storage
,A new UNSW study comprehensively reviews the magnetic structure of the multiferroic material bismuth ferrite (BiFeO3—BFO).
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Hotspots Explorer makes climate risk research accessible
IIASA, the United Nations Industrial Development Organisation, and the Global Environment Facility have launched an interactive online mapping tool that allows the public and policymakers to easily explore overlapping and interconnected climate risks around the world.
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Preventing lead poisoning at the source
More than 103,000 rental units spread across Cleveland are potentially vulnerable to lead contamination because they were built before 1978 when lead paint was outlawed. According to a new study from Case Western Reserve University's Center on Urban Poverty and Community Development at the Jack, Joseph and Morton Mandel School of Applied Social Sciences, over one-third of these units are in poor c
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Researchers eye a system that uses marine microplastics to get rid of marine microplastics
Tiny particles of plastic, called microplastics, pose a host of environmental problems in marine ecosystems and beyond. Recent research has found that these microplastics are found in more places, and in larger amounts, than anyone anticipated. Now researchers from NC State and Cornell are working to develop a self-sustaining system that uses microplastics to capture more microplastics.
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2020 is shaping up to be America's deadliest year in recent memory
Excess deaths, the CDC reported, occurred at higher rates among a number of minority groups including Latinx, Black Americans, Asian, and American Indian compared to white people. (Unsplash/) This week the Centers for Disease Control published an updated report on this year's "excess deaths"—fatalities from any cause that exceed the number of mortalities expected in a given year or time period. T
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AMD Wants to Prevent Bots and Scalpers From Wrecking Ryzen 5000, Radeon Launches
Bots and scalpers have been a problem at all of the major tech launches this year, to the general dismay of people who want to buy products at the price they're actually supposed to sell for. AMD hasn't said much publicly about what it plans to do about the bot problem, but a leaked document sheds light on what the company is doing behind the scenes. AMD has apparently sent a letter to multiple r
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Lydbølgers hastighed er bestemt af kvantefysik
En overraskende formel for lydbølgers hastighed sætter den øvre grænse til omkring 36.000 m/s i metallisk hydrogen.
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How to reduce the wealth gap between Black and white Americans | Kedra Newsom Reeves
The racial wealth gap in the United States is shocking: white families have a median wealth nearly 10 times greater than that of Black families. How did we get here, and how can we stop the gap from growing? Wealth equity strategist Kedra Newsom Reeves provides a short history on the origins and perpetuation of racial wealth inequality in the US — and outlines four ways financial institutions can
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These two bird-sized dinosaurs evolved the ability to glide, but weren't great at it
Despite having bat-like wings, two small dinosaurs, Yi and Ambopteryx, struggled to fly, only managing to glide clumsily between the trees where they lived, researchers report October 22 in the journal iScience. Unable to compete with other tree-dwelling dinosaurs and early birds, they went extinct after just a few million years. The findings support that dinosaurs evolved flight in several differ
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New research reveals why low oxygen damages the brain
Brain cell dysfunction in low oxygen is, surprisingly, caused by the very same responder system that is intended to be protective, according to a newly published study.
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Management of exploited transboundary fish stocks requires international cooperation
Marine fish species are migratory in nature and not respectful of human-made territorial boundaries, which represents a challenge for fisheries management as policies tend to focus at the national level. With an average catch of 48 million tonnes per year, and USD $77 billion in annual fishing revenue, these species support critical fisheries, and require international cooperation to manage.
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African crocodiles lived in Spain six million years ago
The crocodiles that inhabited the coasts of North Africa during the late Miocene period embarked on a journey to Europe across what is now the Mediterranean basin. This is confirmed by the analysis of the first fossils of the Crocodylus genus in the Iberian Peninsula, found in the Valencian site of Venta del Moro between 1995 and 2006, and which are now being described for the first time.
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Samara Polytech chemists designed portable analyzers
Employees of the laboratory 'Multivariate Analysis and Global Modelling' of Samara Polytech design portable analyzers for a wide range of practical applications that can quickly and accurately determine the content of the examined component.
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Politics this week
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Business this week
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KAL's cartoon
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Brexit: £3bn standoff over UK-EU scientific collaboration
Sector calls for compromise to ensure UK researchers stay in Horizon Europe The UK's post-Brexit collaboration with European scientists hangs in the balance after it emerged that the EU offer of staying in the Horizon research programme could leave London with a £3bn deficit. "The financial negotiations are not in a good position and the offer that the [European] commission has made to the UK is
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Fences are bad for wildlife
Where possible, they should be removed or redesigned
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There's a science to food pairing, and you can learn it here
A little sweet, salty, and spicy can make for an ace taste-bud combination. (Dhaya Eddine Bentaleb/Unsplash/) This adapted excerpt is taken from The Art & Science of Foodpairing by Peter Coucquyt, Bernard Lahousse, and Johan Langenbick. Published by Firefly Books Ltd. Food pairing makes it easy to discover new ingredient combinations based on their aromatic matches, but that is not all there is t
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Researchers develop a simplified method to modify disease signaling with light
Cellular optogenetics is a technique that allows researchers to use light to precisely control cell signaling and function in space and time enabling the investigation of mechanisms involved in disease processes. A research team from the University of Turku have developed a novel way to make cellular optogenetic tools much easier to monitor and apply, and showed how they can be used to investigate
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Relieving the cost of COVID-19 by Parrondo's paradox
The health and well-being of the population will be affected if the community is kept open, but the lockdown strategy taken on due to COVID-19 also incurs economic and financial impacts. Each strategy on its own will increase the total 'cost' to society. Can both losing strategies be combined in a manner that leads to a winning outcome?
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Enzyme biofactories to enhance cord blood transplants
Stem cell trafficking to the bone marrow is improved by enzyme manufactured in silkworms and yeast.
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Reviewing multiferroics for future, low-energy data storage
Big data and exponential demands for computations are driving an unsustainable rise in global ICT energy use. A new UNSW study reviews the use of the 'multiferroic' material bismuth-ferrite, which allows for low-energy switching in data storage devices and could be applied in a future generation of ultra-low-energy electronics.
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AI counts 1.8 billion trees in Sahara Desert
There are far more trees in the West African Sahara Desert than you might expect, according to a study that combined artificial intelligence and detailed satellite imagery. Researchers counted over 1.8 billion trees and shrubs in the 1.3 million square kilometer (501,933 square miles) area that covers the western-most portion of the Sahara Desert, the Sahel, and what are known as sub-humid zones
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Magnetic field and hydrogels could be used to grow new cartilage
Instead of using synthetic materials, a new study shows magnets could be used to arrange cells to grow new tissues.
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Drinking green tea and coffee daily linked to lower death risk in people with diabetes
Drinking plenty of both green tea and coffee is linked to a lower risk of dying from any cause among people with type 2 diabetes, suggests new research.
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One in six children aged 5-16 in England 'likely to have a mental disorder'
Survey published by NHS Digital shows increase of almost half since 2017 Coronavirus – latest updates See all our coronavirus coverage The probable rates of mental disorders among children and young people has increased by almost half since 2017, England's official survey into child mental health has found, with Covid and lockdown identified as aggravating factors. One in six children aged five t
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New experimental blood test determines which pancreatic cancers will respond to treatment
Scientists have developed a simple, experimental blood test that distinguishes pancreatic cancers that respond to treatment from those that do not. This critical distinction could one day guide therapeutic decisions and spare patients with resistant cancers from undergoing unnecessary treatments with challenging side effects. The findings were published today in Clinical Cancer Research , a journa
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MRI safely performed in patients with pacemakers and ICDs
MRI examinations can be performed safely in patients with non-MR compatible cardiac devices, including those who are pacemaker-dependent or have abandoned leads, according to a new study.
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Researchers develop simple way to capture high quality 3d images of live cells and organisms
Researchers have developed a simple method for simultaneously acquiring images at different depths with a standard microscope. The new technique can be applied to a variety of microscopy methods, making it useful for a wide range of biological and biomedical imaging applications.
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Don't Count Out the Latina Vote
This year, scores of young Latinos will be eligible to vote for the first time in North Carolina. They've joined the ranks of more than 300,000 others in the state, who have historically been neglected by the major parties and get-out-the-vote efforts. But activists see a change coming, and they're counting on women to make it happen. Arianna Genis and Cris Batista are two organizers with Mijente
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Big-hearted corvids
Ravens, crows, magpies and their relatives are known for their exceptional intelligence, which allows them to solve complex problems, use tools or outsmart their conspecifics. One capability, however, that we humans value highly, seems to be missing from their behavioral repertoire: generosity. Only very few species within the crow family have so far been found to act generously in experimental pa
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Watch NASA's Spacecraft Touch Down on a Tiny Asteroid
Touchdown Confirmed NASA has finally released footage from a truly epic moment: the agency's OSIRIS-REx spacecraft touching down on asteroid Bennu's surface to scoop up a bunch of space rocks. Years have led up to this moment. Finally, on Tuesday, the spacecraft made its careful approach to go in for a bite . The tiny spacecraft spent two years orbiting Bennu, an asteroid 500 meters across, which
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Big-hearted corvids
Ravens, crows, magpies and their relatives are known for their exceptional intelligence, which allows them to solve complex problems, use tools or outsmart their conspecifics. One capability, however, that we humans value highly, seems to be missing from their behavioral repertoire: generosity. Only very few species within the crow family have so far been found to act generously in experimental pa
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Simple actions can help people survive landslides
The March 2014 landslide in Oso, Washington, about 55 miles northeast of Seattle, became the deadliest landslide event in United States history. Forty-three people died and 49 homes and structures were destroyed.
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For the first time: Realistic simulation of plasma edge instabilities in tokamaks
Edge Localized Modes, ELMs for short, are one of the disturbances of the plasma confinement that are caused by the interaction between the charged plasma particles and the confining magnetic field cage. During ELM events, the edge plasma loses its confinement for a short time and periodically throws plasma particles and energy outwards onto the vessel walls. Typically, one tenth of the total energ
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Turbulent era sparked leap in human behavior, adaptability 320,000 years ago
The first analysis of a sedimentary drill core representing 1 million years of environmental history in the East African Rift Valley shows that at the same time early humans were abandoning old tools in favor of more sophisticated technology and broadening their trade, their landscape was experiencing frequent fluctuations in vegetation and water supply that made resources less reliably available.
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Steroid inhalers/pills for asthma linked to heightened risk of brittle bones and fractures
Taking steroid inhalers or tablets to treat asthma or control flare-ups is linked to a heightened risk of brittle bones (osteoporosis) and increased vulnerability to broken bones (fragility fractures), finds new research.
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The New Adaptation of The Witches Is Almost Too Much Fun
HBO Max's new movie evokes a very un-Dahlian mood.
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Researchers develop simple way to capture high quality 3-D images of live cells and organisms
Researchers have developed a simple method for simultaneously acquiring images at different depths with a standard microscope. The new technique can be applied to a variety of microscopy methods, making it useful for a wide range of biological and biomedical imaging applications.
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New European Space Agency website puts climate in your hands
Witness the changing planet through the eye of Earth-orbiting satellites with Climate from Space, a new interactive website developed by ESA.
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COVID-19 study: Meaning in life and self-control protect against stress
During the Corona crisis mental distress increased substantially. What helps people get through this time well? The psychologists Tatjana Schnell from the University of Innsbruck and Henning Krampe from the Charité – Universitätsmedizin Berlin have conducted a study with more than 1500 people. First results: Meaning in life is a stress buffer, but depression and anxiety have nevertheless increased
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Researchers solve 'protein paradox' and suggest way to exploit cancer weakness
Researchers from UCPH have discovered how thus far a mysterious function of the so-called MCM proteins protect the human cells against DNA instability, which can cause devastating diseases including cancer. In addition to their known role as molecular motors of genome duplication, MCM proteins control the speed of this process. How cells manage to constrain the speed of DNA replication has puzzled
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Immune response the probable underlying cause of neural damage in COVID-19
It is probably the immune response to, rather than the virus in itself, that causes sudden confusion and other symptoms from the nervous system in some patients with COVID-19. This is shown by a study of cases involving six Swedish patients, now published in the journal Neurology.
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Big-hearted corvids
Taking a look at generosity within the crow family reveals parallels with human evolution. Working together to raise offspring and increased tolerance towards group members contribute to the emergence of generous behavior among ravens, crows, magpies and company. Lisa Horn of the Department of Behavioral and Cognitive Biology found that the social life of corvids is a crucial factor for whether th
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Exercising one arm has twice the benefits
New research from Edith Cowan University (ECU) has revealed that training one arm can improve strength and decrease muscle loss in the other arm – without even moving it. The findings could help to address the muscle wastage and loss of strength often experienced in an immobilised arm, such as after injury, by using eccentric exercise on the opposing arm.
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Gold Rush Season 11: The Richest Season Yet | Sneak Peek
Stream Full Episodes of Gold Rush: https://go.discovery.com/tv-shows/gold-rush/ Subscribe to Discovery: http://bit.ly/SubscribeDiscovery Join us on Facebook: https://www.facebook.com/GoldRush/ https://www.facebook.com/Discovery Follow us on Twitter: https://twitter.com/Gold_Rush https://twitter.com/Discovery We're on Instagram! https://www.instagram.com/GoldRushTV/ https://www.instagram.com/Disco
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How Future AI Could Recognize a Kangaroo Without Ever Having Seen One
AI is continuously taking on new challenges, from detecting deepfakes (which, incidentally, are also made using AI) to winning at poker to giving synthetic biology experiments a boost. These impressive feats result partly from the huge datasets the systems are trained on. That training is costly and time-consuming, and it yields AIs that can really only do one thing well. For example, to train an
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25 000 svenskar kan ha långtidscovid
Två och en halv procent i Sverige har haft covid-19-symptom i minst två månader visar en ny studie. Enligt SVT:s beräkningar är det sannolikt runt en miljon svenskar som smittats av covid-19 hittills. Det betyder i så fall att 25 000 är drabbade av långtidscovid.
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Anxious about the election? Political scientists explain why
There are arguably historic levels of anxiety leading up to the 2020 presidential election, and forthcoming UCR research holds the party faithful on one side are feeling it more than the other.
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Scientists break resolution records to visualize individual atoms with single-particle cryo-EM
Looking at the precise three-dimensional arrangement of atoms within a protein helps us to understand how it can perform its functions. Although electron cryo-microscopy (cryo-EM) has developed rapidly as an important structural biology technique in recent years, X-ray crystallography had been the only technique able to visualize individual atoms. Radu Aricescu's and Sjors Scheres' groups at the M
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Americans under 40 want major reforms, expanded Supreme Court
Americans under 40 largely favor major political reforms, finds a new survey. The poll revealed that most would want to expand the Supreme Court, impose terms limits, and make it easier to vote. Millennials are more liberal and reform-centered than Generation Z. A new nonpartisan poll of Americans under 40 finds they want serious reforms in the American political system. The survey, conducted by
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Researchers attempt to piece together the puzzle of tree species diversity
Questions about the origin of nature have fascinated humans since the dawn of culture. One phenomenon of particular interest is the high diversity of forests in the tropics, relative to those in the temperate zone. Even Humboldt, pioneering polymath of the late 18th century, was already searching for possible explanations for this observation. One prominent hypothesis is that the greater stability
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Simple actions can help people survive landslides
Simple actions can dramatically improve a person's chances of surviving a landslide, according to records from 38 landslides in the US and around the world. People who survived landslides tended to show key behaviors such as being aware of the risk, moving to higher ground, and making noise if buried.
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Multiple sclerosis as the flip side of immune fitness
About half of the people with multiple sclerosis have the HLA-DR15 gene variant. A study led by the University of Zurich has now shown how this genetic predisposition contributes to the development of the autoimmune disease multiple sclerosis in combination with environmental factors. The decisive factor is the shaping of a repertoire of immune cells which – although they are effective in fighting
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Optical wiring for large quantum computers
Researchers at ETH have demonstrated a new technique for carrying out sensitive quantum operations on atoms. In this technique, the control laser light is delivered directly inside a chip. This should make it possible to build large-scale quantum computers based on trapped atoms.
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For the first time: Realistic simulation of plasma edge instabilities in tokamaks
Among the loads to which the plasma vessel in a fusion device may be exposed, so-called edge localised modes are particularly undesirable. By computer simulations the origin and the course of this plasma-edge instability could now be explained for the first time in detail.
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Oxygen can do a favor to synthesize metal-organic frameworks
IBS scienetists have identified how oxygen affects the synthesis of a novel metal-organic framework.
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Covid vaccine: US regulators and scientists to make debate public
Food and Drug Administration may have to decide by year's end whether to allow use of first vaccines against the virus The US regulators who will decide the fate of Covid-19 vaccines took an unusual step on Thursday: asking outside scientists if their standards are high enough. The Food and Drug Administration may have to decide by year's end whether to allow use of the first vaccines against the
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Researchers attempt to piece together the puzzle of tree species diversity
Questions about the origin of nature have fascinated humans since the dawn of culture. One phenomenon of particular interest is the high diversity of forests in the tropics, relative to those in the temperate zone. Even Humboldt, pioneering polymath of the late 18th century, was already searching for possible explanations for this observation. One prominent hypothesis is that the greater stability
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Possible evidence of Inca burying llama alive in ritualistic ceremonies
A team of researchers from Canada and Peru has found evidence of Inca people burying llamas alive as part of ritualistic ceremonies approximately 600 years ago. In their paper published in the journal Antiquity, the group describes their study of five preserved llama remains found at a southern Peruvian dig site called Tambo Viejo.
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Waste-to-energy plants add to Delhi's pollution woes
An official report admitting to toxic emissions being generated by three waste-to-energy (WtE) plants operating in the Indian capital has thrown a question mark on the future of WtE incinerators as a way to deal with the municipal solid waste generated by the country's 1.3 billion people.
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Control ions for quantum computing and sensing via on-chip fiber optics
Walk into a quantum lab where scientists trap ions, and you'll find benchtops full of mirrors and lenses, all focusing lasers to hit an ion "trapped" in place above a chip. By using lasers to control ions, scientists have learned to harness ions as quantum bits, or qubits, the basic unit of data in a quantum computer. But this laser setup is now holding research back—making it difficult to experim
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World record resolution in cryo electron microscopy
Holger Stark from the Max Planck Institute for Biophysical Chemistry in Göttingen and his team have broken a crucial resolution barrier in cryo electron microscopy. For the first time, his group succeeded in observing individual atoms in a protein structure and taking the sharpest images ever with this method. Such detailed insights make it easier to understand how proteins do their work or cause
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New technology finds long-hidden quakes and possible clues about how earthquakes evolve
Measures of Earth's vibrations zigged and zagged across Mostafa Mousavi's screen one morning in Memphis, Tenn. As part of his Ph.D. studies in geophysics, he sat scanning earthquake signals recorded the night before, verifying that decades-old algorithms had detected true earthquakes rather than tremors generated by ordinary things like crashing waves, passing trucks or stomping football fans.
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With innovative nanofiber membranes, cloth masks' efficacy goes up to 99%
The cloth masks many are sporting these days offer some protection against COVID-19. However, they typically provide much less than the professional N95 masks used by healthcare workers.
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Turbulent environment set the stage for leaps in human evolution and technology 320,000 years ago
People thrive all across the globe, at every temperature, altitude and landscape. How did human beings become so successful at adapting to whatever environment we wind up in? Human origins researchers like me are interested in how this quintessential human trait, adaptability, evolved.
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Plant defense layer has unexpected effect on volatile compounds, study finds
A Purdue University biochemist and her colleagues have pioneered new methods for increasing production of volatile compounds important for plant defenses and for use in biofuels, pharmaceuticals and other products. While investigating how plants can more efficiently emit those compounds, Natalia Dudareva's team also found an unanticipated factor playing a role in plant cellular functions.
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Plant defense layer has unexpected effect on volatile compounds, study finds
A Purdue University biochemist and her colleagues have pioneered new methods for increasing production of volatile compounds important for plant defenses and for use in biofuels, pharmaceuticals and other products. While investigating how plants can more efficiently emit those compounds, Natalia Dudareva's team also found an unanticipated factor playing a role in plant cellular functions.
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OSIRIS-REx TAGs surface of asteroid Bennu
Captured on Oct. 20, 2020 during the OSIRIS-REx mission's Touch-And-Go (TAG) sample collection event, this series of images shows the SamCam imager's field of view as the NASA spacecraft approaches and touches down on asteroid Bennu's surface, over 200 million miles (321 million km) away from Earth. The sampling event brought the spacecraft all the way down to sample site Nightingale, touching dow
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What South African women told us about being the main breadwinner
Nearly 38% of households in South Africa are headed by women. They largely—or solely—support the home financially as breadwinners. That amounts to nearly 6.1 million homes in which women are the primary breadwinners.
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Ineffective regulation on discharge from hospital in England leaves patients at risk
Regulators have failed to properly address patient safety on discharge from hospital in England, leaving the physical wellbeing and dignity of patients continuously at risk at a time when they should be returning safely home, finds new research.
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Preventing lead poisoning at the source
Using a variety of public records, researchers from Case Western Reserve University examined every rental property in Cleveland from 2016-18 on factors related to the likelihood that the property could have lead-safety problems.
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New tricks for old antibiotics
The study published in the journal Immunity reveals that tetracyclines (broad spectre antibiotics), by partially inhibiting cell mitochondria activity, induce a compensatory response on the organism that decreases tissue damage caused during infection. This finding opens new doors in the field of disease tolerance and positions this group of antibiotics as potential adjuvant treatment for sepsis,
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A promising discovery could lead to better treatment for Hepatitis C
Virologists at Institut national de la recherche scientifique (INRS) have identified a critical role played by a cellular protein in the progression of Hepatitis C virus infection, paving the way for more effective treatment. No vaccine currently exists for Hepatitis C virus infection, which affects more than 130 million people worldwide and nearly 250,000 Canadians. Antivirals exist but are expen
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Antiretroviral therapy can't completely stop accelerated cell aging seen in HIV
Untreated HIV infection is linked with epigenetic changes that suggest rapid aging. A new study by UCLA researchers shows that antiretroviral therapy given over two years was unable to completely restore age-appropriate epigenetic patterns, leaving patients more susceptible to aging-related illnesses.
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Millions under lockdown on wrong side of digital divide
Research by the University of Liverpool's Professor Simeon Yates, on behalf of Good Things Foundation, reveals that millions of people are facing tougher regional lockdowns on the wrong side of the digital divide.
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Optical wiring for large quantum computers
Researchers at ETH have demonstrated a new technique for carrying out sensitive quantum operations on atoms. In this technique, the control laser light is delivered directly inside a chip. This should make it possible to build large-scale quantum computers based on trapped atoms.
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The science behind life in space on 'Away'
Do you feel like you've been locked in a small room for months on end, isolated from the people that you love? Welcome to Netflix's "Away" and the bubble of five scientists on the world's first manned mission to Mars.
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Oxygen can do a favor to synthesize metal-organic frameworks
Metal-organic frameworks, or MOFs, are composed of metal ions periodically surrounded by organic bridging molecules, and these hybrid crystalline frameworks feature a cage-like hollow structure. This unique structure motif offers great potential for a range of applications in energy storage, chemical transformations, optoelectronics, chemiresistive sensing, and (photo)electrocatalysis, among other
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Physicists create 3-D printed microboat
From prow to stern, this little boat measures 30 micrometers, about a third of the thickness of a hair. It has been 3-D-printed by Leiden physicists Rachel Doherty, Daniela Kraft and colleagues.
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Unravelling prehistoric fire use: Variation in fire conditions equals variation in human behavior
Building a fire involves many variables, such as size, choice of fuel, temperature, and burn time, that affect the way the generated heat can be used, and therefore the potential function of a fire. A group of Leiden archeologists are, together with a team of international colleagues, investigating remains of Paleolithic hearths in order to characterize the use of fire by our distant ancestors. Re
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Q&A: How might this year's forest fires impact glaciers in the West?
Mauri Pelto, a glaciologist at Nicholls College, has directed the North Cascades Glacier Climate Project since 1983, which focuses on the glaciers of that range, located in Washington State. He has written about that project for GlacierHub, and contributed posts as well about other glaciers in Washington State and Alaska as well as in New Zealand and Kerguelen, an island in the southern Indian Oce
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It's time environmentalists talked about the population problem
In all the talk of tackling environmental problems such as climate change, the problem of population growth often escapes attention. Politicians don't like talking about it. By and large, neither do environmentalists—but former Greens leader Bob Brown has bucked that trend.
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Wikipedia and W.H.O. Join to Combat Covid-19 Misinformation
The health agency will license much of its material to the online encyclopedia, allowing the information to be reposted widely into almost 200 languages.
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What would a realistic space battle look like?
Science fiction space movies can do a poor job of educating people about space. In the movies, hot-shot pilots direct their dueling space ships through space as if they're flying through an atmosphere. They bank and turn and perform loops and rolls, maybe throw in a quick Immelman turn, as if they're subject to Earth's gravity. Is that realistic?
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The plastic myth and the misunderstood triangle
Of all the plastic we've ever produced, only 9% has been recycled. So what happened to all that plastic you've put in the recycling bin over the years?
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Sponges as biomonitors of micropollution
Sponges are filter feeders that live on particulate matter—but they can also ingest microscopic fragments of plastics and other pollutants of anthropogenic origin. They can therefore serve as useful bioindicators of the health of marine ecosystems.
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Why Is Everyone Building an Electric Pickup Truck?
Tesla has the Cybertruck, GM a $113,000 Hummer, and Ford an electric F-150. And then there are the startups.
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So Your Wearable Tracks Blood Oxygen Data. How Do You Use It?
The latest smartwatches come with sensors that measure oxygen levels in your blood. If you own one, here's what that means for you.
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Trump's Un-American Failure to Protect Internet Freedom
Dictators are gleefully filling the leadership vacuum the administration has created and choking the open web around the globe.
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Bacterial metabolism of dietary soy may lower risk factor for dementia
A metabolite produced following consumption of dietary soy may decrease a key risk factor for dementia – with the help of the right bacteria, according to a new discovery.
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Grafting with epigenetically-modified rootstock yields surprise
Novel grafted plants — consisting of rootstock epigenetically modified to 'believe' it has been under stress — joined to an unmodified scion, or above-ground shoot, give rise to progeny that are more vigorous, productive and resilient than the parental plants.
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Wildfires can cause dangerous debris flows
Wildfires don't stop being dangerous after the flames go out. Even one modest rainfall after a fire can cause a deadly landslide, according to new research.
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Innovation spins spider web architecture into 3D imaging technology
Innovators are taking cues from nature to develop 3D photodetectors for biomedical imaging. The researchers used some architectural features from spider webs to develop the technology.
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Social Media Restrictions Cannot Keep Up with Hidden Codes and Symbols
Much like spoken language, Internet memes take on shifting political meanings according to context — Read more on ScientificAmerican.com
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OSIRIS-REx TAGs surface of asteroid Bennu
Captured on Oct. 20, 2020 during the OSIRIS-REx mission's Touch-And-Go (TAG) sample collection event, this series of images shows the SamCam imager's field of view as the NASA spacecraft approaches and touches down on asteroid Bennu's surface, over 200 million miles away from Earth.
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Social Media Restrictions Cannot Keep Up with Hidden Codes and Symbols
Much like spoken language, Internet memes take on shifting political meanings according to context — Read more on ScientificAmerican.com
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Engineers devise new method to remove harmful E. coli from water
Engineers at Monash University have come up with an improved method to remove potentially deadly bacteria, such as E. coli, from water using graphitic carbon nitride and sunlight.
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Successful leaders are 'one of us'
A successful leader is one who creates a shared sense of "us-ness" in the groups they lead, according to University of Queensland research.
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Political scientist describes the rise of negative partisanship and how it drives voters
Democrats and Republicans are about as warm toward their own political parties as they were decades ago, but their dislike for the opposition has significantly increased, says UArizona political scientist Chris Weber.
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The language of health and wealth
What impact does a person's proficiency in English as a second language have on their health and economic integration when they settle in the U.S.? That's the issue addressed in new research published in the International Journal of Economics and Business Research.
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Why Reports of Legionnaires' Disease Are on the Rise in the United States
Though less common than in the past, Legionella bacteria and other dangerous pathogens still lurk in drinking water
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How Hedges Became the Unofficial Emblem of Great Britain
A shear celebration of the ubiquitous boxy bushes that have defined the British landscape since the Bronze Age
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Modeller för beräkning av mikroplastspridning behöver förbättras
Trots att däckslitagepartiklar bedöms vara den största källan till utsläpp av mikroplast i Sverige behöver befintliga modeller för att beräkna spridning av mikroplaster i naturen utvecklas för att kunna simulera däck- och vägslitage. I en rapport från Statens väg- och trafikforskningsinstitut, VTI, presenteras befintliga modeller som kan användas för simulering av mikroplastspridning i naturen sa
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The implications of signs of life on Venus?
The planet Venus has arguably remained less captivating than, say, the legendary tennis star or, for that matter, the women's razor blade company—both of those Venuses have at least enjoyed ample airtime on cable TV.
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Det kan hända när kunskap cirkulerar
Kunskap är inte neutral. Det händer något när kunskapen cirkulerar, tolkas och förstås på olika sätt av olika människor. Det menar forskarna som fördjupat sig i hur medicinsk kunskap plockas i sär och rekonstrueras – för att till slut implementeras i olika delar av samhälle. För att förstå varför vi gör som vi gör, måste vi också förstå kunskapens cirkulation i samhället bättre, medicinsk kunskap
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Structure of photosystem protein supercomplex from diatom reveals its highly sophisticated energy transfer network
Diatoms are a group of phytoplankton that is widely distributed in the hydrosphere and even in moist soil. They play important roles in global carbon-oxygen cycles and provide valuable products and biomasses. Diatom cells are brown due to the presence of special chlorophylls (Chl), Chl c, as well as carotenoids fucoxanthins and diadinoxanthins.
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What We Know So Far about How COVID Affects the Nervous System
Neurological symptoms might arise from multiple causes. But does the virus even get into neurons? — Read more on ScientificAmerican.com
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Structure of photosystem protein supercomplex from diatom reveals its highly sophisticated energy transfer network
Diatoms are a group of phytoplankton that is widely distributed in the hydrosphere and even in moist soil. They play important roles in global carbon-oxygen cycles and provide valuable products and biomasses. Diatom cells are brown due to the presence of special chlorophylls (Chl), Chl c, as well as carotenoids fucoxanthins and diadinoxanthins.
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A new data assimilation system to improve precipitation forecast
Data assimilation systems can provide accurate initial fields for further improving numerical weather prediction (NWP). Since 2008, Tian Xiangjun and his team at the Institute of Atmospheric Physics (IAP) of the Chinese Academy of Sciences have been devoted to developing the nonlinear least-squares 4-D ensemble variational data assimilation method (NLS-4DVar).
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Adaptive turbo equalizer for underwater acoustic differential orthogonal frequency-division multiplexing systems
In mobile underwater acoustic communications (UAC), the relative movement between the transceivers will cause Doppler spread in the received signal, which will bring inter-carrier interference to the orthogonal frequency-division multiplexing (OFDM) UAC system, thereby distorting the transmitted symbols. The design of a high-performance low-complexity receiver in mobile OFDM UAC systems remains a
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Researchers develop new molecular ferroelectric metamaterials
A University at Buffalo-led research team has reported a new 3-D-printed molecular ferroelectric metamaterial.
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What a crystal reveals about nuclear materials processing
While studying legacy contaminated soil samples from the Plutonium Finishing Plant waste crib at the Hanford Site (Richland, WA), Pacific Northwest National Laboratory (PNNL) researchers located and extracted tiny crystals containing plutonium. How, they wondered, had the crystals formed?
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A machine-learning algorithm that can infer the direction of the thermodynamic arrow of time
The second law of thermodynamics delineates an asymmetry in how physical systems evolve over time, known as the arrow of time. In macroscopic systems, this asymmetry has a clear direction (e.g., one can easily notice if a video showing a system's evolution over time is being played normally or backward).
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Vanilla cultivation under trees promotes pest regulation
The cultivation of vanilla in Madagascar provides a good income for smallholder farmers, but without trees and bushes, the plantations can lack biodiversity. Agricultural ecologists from the University of Göttingen, in cooperation with colleagues from the University in Antananarivo (Madagascar), have investigated the interaction between prey and their predators in these cultivated areas. To do thi
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Your Brain Prefers Happy Endings. That's Not Always Smart
People tend to focus on whether an experience ends on an up note or a sour one, even if it leads us to make bad decisions. A new study examines why.
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Vanilla cultivation under trees promotes pest regulation
The cultivation of vanilla in Madagascar provides a good income for smallholder farmers, but without trees and bushes, the plantations can lack biodiversity. Agricultural ecologists from the University of Göttingen, in cooperation with colleagues from the University in Antananarivo (Madagascar), have investigated the interaction between prey and their predators in these cultivated areas. To do thi
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Photoshop's Neural Filters can alter people's expressions in convincing—and nightmarish—ways
The Happiness filter quickly becomes the nightmare filter when you max it out. (Stan Horaczek /) Artificial intelligence sometimes comes in very handy when using Photoshop . For years, now, users have been able to employ the software's Content Aware tech to quickly and easily remove objects from images and expand photos beyond their natural borders. The latest AI innovation to make its way into t
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COVID-19 Becoming Less Deadly
Over the course of the pandemic the death rate in people diagnosed with COVID-19 (the case-fatality rate) has declined. Unpacking all the reasons this may be the case can help us better understand and fight this disease. A few recent studies shed some light on this question. While there might be some encouraging news here, it highlights that this is still a "novel" virus and we have a lot to lear
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What We Know So Far about How COVID Affects the Nervous System
Neurological symptoms might arise from multiple causes. But does the virus even get into neurons? — Read more on ScientificAmerican.com
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What We Know So Far about How COVID Affects the Nervous System
Neurological symptoms might arise from multiple causes. But does the virus even get into neurons? — Read more on ScientificAmerican.com
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Author Correction: A consensus S. cerevisiae metabolic model Yeast8 and its ecosystem for comprehensively probing cellular metabolism
Nature Communications, Published online: 22 October 2020; doi:10.1038/s41467-020-19358-9
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London council sets up own same-day Covid testing service
Exclusive: Barking and Dagenham says it acted because of delays at NHS centres Coronavirus – latest updates See all our coronavirus coverage A London council is thought to be the first in the country to set up its own same-day Covid testing service for key workers, sidestepping the nationwide system over delays in getting tests and results. Barking and Dagenham council in east London said it had
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Why hasn't space tourism taken off? – video
Listening to Richard Branson over the past 20 years, you'd be forgiven for assuming that space was by now being frequented by lots of tourists. However, despite the Virgin Galactic chief's optimism, the space tourism industry has yet to take off. Up to now there have been only seven self-funded citizens in space. And with billionaires such as Jeff Bezos and Elon Musk in the space race, why are th
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Hovedstaden samler hæmatologien på Rigshospitalet
Region Hovedstadens budgetaftale for 2021 betyder, at behandling af blodsygdomme samles fysisk på Rigshospitalet.
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Dansk professor: Stellaratoren er det bedste bud på et fremtidigt fusionskraftværk
Se videooptagelse af Thomas Sunn Pedersens foredrag i IDA Energi om status på vejen til et fusionskraftværk og lær mere om, hvordan fusionsenergi dannes i en stellarator og de tekniske udfordringer forbundet hermed.
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Hvis Biden vinder, kan det blive ekstra gode tider i Ringkøbing
Joe Biden vil investere massivt i vindmøller – Donald Trump mener, de er kræftfremkaldende fugledræbere.
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Trump Thinks He's Found Biden's Greatest Vulnerability
After 18 months of flogging the Hunter Biden story, what does President Donald Trump have to show for his efforts? His opposition research on former Vice President Joe Biden's son culminated in his own impeachment. Despite railing against the scion's alleged swampiness at nearly every rally, Trump's convoluted narrative about Biden family corruption has taken root only on Fox News. At the very le
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Study helps explain declines in death rates from COVID-19
Fewer New Yorkers are dying from the coronavirus than health experts had anticipated, a new study shows. Regional death rates have dropped from the highs seen at the start of the outbreak, partially due to a shift in the population contracting the disease toward those who are more resilient.
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Bacterial metabolism of dietary soy may lower risk factor for dementia
A metabolite produced following consumption of dietary soy may decrease a key risk factor for dementia – with the help of the right bacteria, according to a new discovery led by researchers at the University of Pittsburgh Graduate School of Public Health.
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The Tech Issues You Won't Hear About at Tonight's Debate
Neither President Trump nor Joe Biden is talking much about broadband access, retraining workers, or US spending on research.
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ClickHole Started as a Meat Joke. Can It Avoid Being Offal?
The humor site has survived it all: new owners, layoffs, a culture war. Now a worker-owned cooperative, it needs to update its voice—and bring home the bacon.
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The TikTok Teens Trying to Meme the Vote
Groups like Tok the Vote believe viral clips are the best way to get young people to cast their ballots.
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12 Cyber Threats That Could Wreak Havoc on the Election
From targeted misinformation to manipulated data, these are the cybersecurity concerns election officials worry about most.
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Should the Professional Be Political?
L ast month, Brian Armstrong, the CEO of the cryptocurrency platform Coinbase, observed that although many Silicon Valley companies engage in wide-ranging social activism unrelated to their core businesses, his firm would move away from that approach. "While I think these efforts are well intentioned, they have the potential to destroy a lot of value at most companies, both by being a distraction
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The Supreme Court Is Helping Republicans Rig Elections
F or a judge with a brilliant legal mind, Amy Coney Barrett seemed oddly at a loss for words. Does a president have the power to postpone an election? Senator Dianne Feinstein of California asked. Barrett said she would have to approach that question—about a power the Constitution explicitly grants to Congress—"with an open mind." Is voter intimidation illegal? Senator Amy Klobuchar of Minnesota
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A Sustainable Alternative to Blanket Lockdowns
Instead of shutting down whole cities, we can use big data to take a more targeted approach — Read more on ScientificAmerican.com
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Can a Moon Base Be Safe for Astronauts?
Creating a sustainable human presence beyond low-Earth orbit requires a clear-eyed view of the risks—and rewards—inherent in spaceflight — Read more on ScientificAmerican.com
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Can a Moon Base Be Safe for Astronauts?
Creating a sustainable human presence beyond low-Earth orbit requires a clear-eyed view of the risks—and rewards—inherent in spaceflight — Read more on ScientificAmerican.com
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Glitter is an environmental abomination. It's time to stop using it | Adrienne Matei
This year, several British brands announced they'd ban glitter from holiday products. US companies should follow suit Glitter is notorious for getting everywhere – touch one sparkly Christmas card and you'll be finding flecks of the stuff in your food, hair and carpet for months. It's so obnoxious some people even slather a mixture of it and Vaseline on political yard signs to punish thieves. But
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Mar Menor – när ekosystem flippar
Plötsligt fylls stranden av tusentals fiskar, krabbor och räkor. De krälar på varandra och kippar efter andan. Boende vid stranden undrar vad som händer – forskarnas svar är obehagliga. Finns det någon räddning för lagunen?
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The New Debate Rules Are a Mistake
The Commission on Presidential Debates has announced that it will employ mute buttons during tonight's debate, cutting off President Donald Trump or Vice President Joe Biden if either attempts to interrupt the other's two-minute speaking time. On the surface, this might seem like an excellent idea: We'll get to hear more of the candidates' answers to questions, and less crosstalk, than we did fou
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Bødeblokken er rødglødende i Storbritannien, men alligevel vil briterne droppe GDPR
De største GDPR-bøder er blevet udskrevet i Storbritannien, men alligevel har premierminister Boris Johnson lagt op til at skrotte de europæiske dataregler, når landet forlader EU.
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Region H melder sig selv til Datatilsynet efter sikkerhedsbrud
Fem filmapper på Region Hovedstadens interne netværksdrev har været tilgængelige for alle regionens medarbejdere. Mapperne har indeholdt helbredsoplysninger på borgere, og de er nu blevet lukket, oplyser regionen.
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Could you stick to a Covid 5:2 diet?
'A regular "circuit-breaker" requires not just two weeks of social spinach but five weeks of self-discipline'
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Algebra paper retracted because of questions about the "integrity of the mathematics"
A physicist who in 2016 threatened to sue Elsevier after the publisher retracted one of his papers has lost another article over concerns about the "integrity of the mathematics" in the paper. The article, "Eight-dimensional octonion-like but associative normed division algebra," by Joy Christian, of the Einstein Centre for Local-Realistic Physics in Oxford, UK, appeared … Continue reading
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The Pratfalls of Domenico Pratico
Next time you wonder why mouse research does not translate to humans, think of Domenico Pratico work on Alzheimer's and other brain diseases.
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The Case Against Donald Trump
Editor's Note: The Atlantic is making this endorsement freely available to all readers until November 5. I n 1973 , a United States Air Force officer, Major Harold Hering, asked a question that the Air Force did not want asked. Hering, a decorated Vietnam War veteran, was then in training to become a Minuteman-missile crewman. The question he asked one of his instructors was this: "How can I know
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Are We Trading Our Happiness for Modern Comforts?
" How to Build a Life " is a biweekly column by Arthur Brooks, tackling questions of meaning and happiness. One of the greatest paradoxes in American life is that while, on average, existence has gotten more comfortable over time, happiness has fallen. According to the United States Census Bureau, average household income in the U.S., adjusted for inflation, was higher in 2019 than has ever been
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KOMMENTAR: Det er uetisk at holde dansk forskningsresultat om mundbind tilbage
PLUS. Tre førende videnskabelige tidsskrifter har nu afvist dansk undersøgelse om brugen af mundbind. Men da forskerne mener, at deres forskningsresultat er vigtigt, må de nu fremlægge det for offentligheden og deres kolleger.
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Teori måste kombineras med praktik i musikundervisningen
För att elever ska kunna ta till sig musikteorin i skolan behöver teorin kombineras med praktiska musikexempel. Det är också viktigt att det råder samförstånd kring de teoretiska begreppen så att elever och lärare talar samma språk. Niklas Rudbäck har undersökt hur gymnasieelever på ett estetiskt program med musikinriktning lär sig att använda kvintcirkeln, ett musikteoretiskt diagram som visar r
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Wildfires can cause dangerous debris flows
Wildfires don't stop being dangerous after the flames go out. Even one modest rainfall after a fire can cause a deadly landslide, according to new UC Riverside research.
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Luftforurening koster hver dansker 8400 kroner
Mere lægebehandling, flere sygefraværsdage og en for tidlig død rammer os ikke bare på helbredet, men også på pengepungen.
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Daily briefing: 'Previously unnoticed' glands found in humans' heads
Nature, Published online: 21 October 2020; doi:10.1038/d41586-020-02982-2 Oncologists spot a hidden pair of spit glands, how obesity could create problems for a COVID vaccine and Nature's pandemic progress report.
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Moving in unison after perceptual interruption
Scientific Reports, Published online: 22 October 2020; doi:10.1038/s41598-020-74914-z
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Distribution of genetic diversity reveals colonization patterns and philopatry of the loggerhead sea turtles across geographic scales
Scientific Reports, Published online: 22 October 2020; doi:10.1038/s41598-020-74141-6
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Volumetric breast density estimation on MRI using explainable deep learning regression
Scientific Reports, Published online: 22 October 2020; doi:10.1038/s41598-020-75167-6
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Survival is reduced when endogenous period deviates from 24 h in a non-human primate, supporting the circadian resonance theory
Scientific Reports, Published online: 22 October 2020; doi:10.1038/s41598-020-75068-8 Survival is reduced when endogenous period deviates from 24 h in a non-human primate, supporting the circadian resonance theory
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Causes of Variations in Sediment Yield in the Jinghe River Basin, China
Scientific Reports, Published online: 22 October 2020; doi:10.1038/s41598-020-74980-3
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The fast-acting "pulse" of Heinrich Stadial 3 in a mid-latitude boreal ecosystem
Scientific Reports, Published online: 22 October 2020; doi:10.1038/s41598-020-74905-0
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Characterizing microfluidic approaches for a fast and efficient reagent exchange in single-molecule studies
Scientific Reports, Published online: 22 October 2020; doi:10.1038/s41598-020-74523-w
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Marine plankton show threshold extinction response to Neogene climate change
Nature Communications, Published online: 22 October 2020; doi:10.1038/s41467-020-18879-7 High-latitude records show large diversity losses of marine plankton, such as radiolarians, with historical climate change. Here, Trubovitz et al. present a low-latitude record spanning the last 10 million years, finding that many high-latitude radiolarians did not shift equatorward but instead went extinct.
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Natural antisense transcripts of MIR398 genes suppress microR398 processing and attenuate plant thermotolerance
Nature Communications, Published online: 22 October 2020; doi:10.1038/s41467-020-19186-x MiRNAs and natural antisense transcripts can both regulate gene expression and plant development. Here, the authors show that cis-NATs to MIR398 repress processing of pri-miR398 and that cis-NAT expression is downregulated at high temperatures, contributing to miR398 mediated thermotolerance responses.
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Targeting N-myristoylation for therapy of B-cell lymphomas
Nature Communications, Published online: 22 October 2020; doi:10.1038/s41467-020-18998-1 N-myristoyltransferases (NMTs) target many signaling proteins to membranes. Here the authors show an NMT inhibitor named PCLX-001 selectively kills lymphoma cells by shutting down their main survival signaling pathway and offers an additional treatment strategy for lymphoma patients.
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Carotenoids modulate kernel texture in maize by influencing amyloplast envelope integrity
Nature Communications, Published online: 22 October 2020; doi:10.1038/s41467-020-19196-9 Very little is known about how vitreous endosperm in the mature maize kernel is created. Here, via map-based cloning, the authors find that mutation of a β-carotene hydroxylase 3 encoding gene Ven1 affects carotenoids and lipids composition, which consequently influences amyloplast envelope integrity.
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Type III ATP synthase is a symmetry-deviated dimer that induces membrane curvature through tetramerization
Nature Communications, Published online: 22 October 2020; doi:10.1038/s41467-020-18993-6 Mitochondrial ATP synthases are involved in shaping the mitochondrial cristae. The cryo-EM structure of type III ATP synthase reveals the architecture of the unusual, asymmetrical, U-shaped dimer and offers insights into the interaction with the natural inhibitor IF1 and membrane lipids. The structure of the
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Social attraction in Drosophila is regulated by the mushroom body and serotonergic system
Nature Communications, Published online: 22 October 2020; doi:10.1038/s41467-020-19102-3 Robust social attraction in fruit flies relies on two prominent senses, vision and olfaction, which converge to central brain neurons. The neurons of the γ lobe of the mushroom bodies integrate sensory information and modulate social affinity.
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The seventh pandemic of cholera in Europe revisited by microbial genomics
Nature Communications, Published online: 22 October 2020; doi:10.1038/s41467-020-19185-y Since 1970, several cholera outbreaks caused by the "seventh pandemic" (7PET) lineage have been reported in Europe. Here, the authors demonstrate that the outbreaks were caused by repeated introductions of 7PET into Europe, rather than local environmental sources.
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MSH1-induced heritable enhanced growth vigor through grafting is associated with the RdDM pathway in plants
Nature Communications, Published online: 22 October 2020; doi:10.1038/s41467-020-19140-x The meiotic transmissibility and progeny phenotypic influence of graft-mediated epigenetic changes remain unclear. Here, the authors use the msh1 mutant in the rootstock to trigger heritable enhanced growth vigor in Arabidopsis and tomato, and show it is associated with the RNA-directed DNA methylation pathwa
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Wildfires can cause dangerous debris flows
Wildfires don't stop being dangerous after the flames go out. Even one modest rainfall after a fire can cause a deadly landslide, according to new UC Riverside research.
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Grafting with epigenetically-modified rootstock yields surprise
Novel grafted plants — consisting of rootstock epigenetically modified to "believe" it has been under stress — joined to an unmodified scion, or above-ground shoot, give rise to progeny that are more vigorous, productive and resilient than the parental plants.
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New blood cancer treatment works by selectively interfering with cancer cell signalling
University of Alberta scientists have identified the mechanism of action behind a new type of precision cancer drug for blood cancers that is set for human trials, according to research published in Nature Communications .
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Scoundrels, Saints, and the Fiction of Individual Genius
Science is great despite some of the wretched men who helped make it. It would be even greater if we reckoned with its racist and misogynist past, reclaimed its forgotten players, and acknowledged how science is collectively done — rather than lifting up a chosen few who may ultimately disappoint us.
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Grafting with epigenetically-modified rootstock yields surprise
Novel grafted plants—consisting of rootstock epigenetically modified to "believe" it has been under stress—joined to an unmodified scion, or above-ground shoot, give rise to progeny that are more vigorous, productive and resilient than the parental plants.
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Grafting with epigenetically-modified rootstock yields surprise
Novel grafted plants—consisting of rootstock epigenetically modified to "believe" it has been under stress—joined to an unmodified scion, or above-ground shoot, give rise to progeny that are more vigorous, productive and resilient than the parental plants.
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It's time to rethink the legal treatment of robots
A pandemic is raging with devastating consequences, and long-standing problems with racial bias and political polarization are coming to a head. Artificial intelligence (AI) has the potential to help us deal with these challenges. However, AI's risks have become increasingly apparent. Scholarship has illustrated cases of AI opacity and lack of explainability, design choices that result in bias, n
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In Memoriam: James "the Amazing" Randi
7 augusti 1928 – 20 oktober 2020 Den moderna skepticismens "grand old man" James Randi är en av grundarna av den skeptiska rörelsen. Han föddes i Kanada och redan tidigt i sitt liv visade han sitt förakt för de som använda trick för att lura andra att de har övernaturliga krafter. Som illusionist hade han […] The post appeared first on Vetenskap och Folkbildning .
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Most Tenants Get No Information About Flooding. It Can Cost Them Dearly
Most landlords are not required to disclose if a property is in a flood plain or has flooded before. That's a big problem in cities where climate change is driving more frequent and severe floods. (Image credit: Scott Olson/Getty Images)
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Paradokset vokser: 2020 bliver rekordår for standsede vindmøller i Danmark
PLUS. Mængderne af specialregulering slår alle rekorder og har på årets første otte måneder forgyldt de danske elproducenter med 350 millioner kroner. Til gengæld er elsystemet gået glip af otte procent af den årlige vindmølleproduktion.
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Selv raske mennesker har farlige T-celler i bugspytkirtlen
Ny forskning viser, at selv raske personer i bugspytkirtlen har de farlige T-celler, som kan lede til udvikling af type 1-diabetes.
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NASA spacecraft sent asteroid rubble flying in sample grab
NASA's Osiris-Rex spacecraft crushed rocks and sent rubble flying as it briefly touched an asteroid, a strong indication that samples were collected for return to Earth, officials said Wednesday.
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Trio who lived on space station return to Earth safely
A trio of space travelers safely returned to Earth on Thursday after a six-month mission on the International Space Station.
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New approach could lead to designed plastics with specific properties
Imagine a plastic bag that can carry home your groceries, then quickly degrade, without harming the environment. Or a super-strong, lightweight plastic for airplanes, rockets, and satellites that can replace traditional structural metals in aerospace technologies.
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Forskere løser "protein-paradoks" forbundet til kræft-svaghed
Forskere fra Københavns Universitet har opdaget hvordan de såkaldte MCM-proteiner hjælper…
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Danmarks lagre af remdesivir er blevet fyldt op
EU har indgået en aftale med Gilead om en stor leverance af remdesivir til EU. Amgros fortæller, at Danmarks lagre nu er fyldt op.
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