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Centrica: seven years of struggle, only to be caught by Covid
A long and difficult period for the firm looks set to conclude in a bust-up with the unions over job cuts Britain's biggest energy supplier faces a "lost year" due to the coronavirus outbreak, which threatens to erode demand for gas and electricity and leave many homes and businesses unable to pay their bills. Investors are braced for Centrica, the owner of British Gas , to lay bare the toll of th
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Fire måneder med corona-patienter i Danmark: 'Vi har gjort store fremskridt på kort tid'
Lægerne har nu to slags medicin og nye behandlingsmetoder.
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Transforming a small pathology lab into a $1bn business
Ameera Shah was about to take a break from running her company when coronavirus struck
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Tarmsjuka testar bajstransplantation själva
Runt 150 patienter per år med diarrésjukdomen Clostridioides difficile får nya tarmbakterier av vården via en avföringstransplantation. Alla andra tarmsjuka med till exempel IBS/IBD får nej. Då säger vissa att de tänker försöka på egen hand, trots smittrisken.
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Scientists achieve major breakthrough in preserving integrity of sound waves
In a breakthrough experiment, physicist and engineers have shown that it is possible to limit the movement of sound to a single direction without interruption even when there are deformations along the pathway. The findings pave the way for technologies with more robust sound wave integrity and advances in ultrasound imaging, sonar, and electronic systems that use surface acoustic wave technology.
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Researchers create a roadmap to better multivalent batteries
Lithium-ion batteries power everything from mobile phones to laptop computers and electric vehicles, but demand is growing for less expensive and more readily available alternatives. The top candidates all hold promise, but researchers report that steep challenges remain.
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Cannabis shows potential for mitigating sickle cell disease pain
Cannabis appears to be a safe and potentially effective treatment for the chronic pain that afflicts people with sickle cell disease, according to a new clinical trial.
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Synapse-saving proteins discovered, opening possibilities in Alzheimer's, schizophrenia
Loss of synapses is a contributing factor to Alzheimer's disease and schizophrenia. Researchers discovered a class of proteins that inhibit synapse elimination, opening possibilities for novel therapies for the two diseases.
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Uplifting of Columbia River basalts opens window on how region was sculpted
Information drawn from analyses of oxygen and hydrogen isotopes of materials from exposed Columbia River basalts has provided insights about how magma from volcanic eruptions millions of years ago shaped the region and why those eruptions did not trigger a global extinction event.
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Study reveals intricate details about Huntington's disease protein
The research focuses on axonal transport — the way in which vital materials travel along pathways called axons inside nerve cells, or neurons. Scientists found that HTT sometimes journeys along these roadways in cellular vehicles (called vesicles) that also carry freight including a protein called Rab4. The research also identified other materials that may be present in these shipments.
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Pesticides speed the spread of deadly waterborne pathogens
Widespread use of pesticides can speed the transmission of the debilitating disease schistosomiasis, while also upsetting the ecological balances in aquatic environments that prevent infections, finds a new study. The infection, which can trigger lifelong liver and kidney damage, affects hundreds of millions of people every year and is second only to malaria among parasitic diseases, in terms of i
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Atomtronic device could probe boundary between quantum, everyday worlds
A new device that relies on flowing clouds of ultracold atoms promises potential tests of the intersection between the weirdness of the quantum world and the familiarity of the macroscopic world we experience every day.
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Turmeric could have antiviral properties
Curcumin, a natural compound found in the spice turmeric, could help eliminate certain viruses, research has found. A study showed that curcumin can prevent Transmissible gastroenteritis virus (TGEV) – an alpha-group coronavirus that infects pigs – from infecting cells. At higher doses, the compound was also found to kill virus particles.
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Predicting your personality from your smartphone data
Everyone who uses a smartphone unavoidably generates masses of digital data that are accessible to others, and these data provide clues to the user's personality. Psychologists are now studying how revealing these clues are.
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Brain Scans Show Why Our Mind's Eye Sees The World So Differently to Everyday Vision
A picture paints a thousand neurons.
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More Than Death: Study Shows COVID-19 Has Unleashed a 'Tidal Wave of Grief' on America
A second wave of distress is coming.
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Want to Escape Earth? This Company Claims to Have Bottled The Smell of Space
When you want to smell like you've been on fire.
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Coronavirus live news: global deaths pass 600,000 as Sydney tightens overseas arrivals
Record daily cases increased by over a quarter of a million ; Sydney to limit overseas arrivals to 350 per day from Monday ; Restrictions tightened in Barcelona . Follow the latest updates US faces terrifying autumn as virus surges 'Disastrous': new lockdown means some Melbourne childcare centres could shut in weeks Trump reportedly seeks to block testing funds as Covid-19 surges across south and
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A chemical tailor-made suit for Alzheimer's drugs
Over 50 million people worldwide are affected by Alzheimer's disease and it is one of the greatest medical and social challenges of our time. Due to pathological changes in the brain, patients become increasingly forgetful and disoriented as the disease progresses. Alzheimer's is still considered incurable today. Researchers now describe a promising approach to treating Alzheimer's disease.
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New technology speeds up organic data transfer
An international research team developed visible light communication (VLC) setup capable of a data rate of 2.2 Mb/s by employing a new type of organic light-emitting diodes (OLEDs).
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Where is the water during a drought?
In low precipitation periods – where and how is the limited available water distributed and what possibilities are there for improving retention in the soil and the landscape? Researchers discovered that vegetation has a major influence on this. Using the example of the drought-sensitive Demnitzer Muehlenfliess in Brandenburg, they quantified visible and invisible water flows during and shortly af
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Study shows how traumatic experiences can leave their mark on a person's eyes
New research shows that a patient's pupils can reveal if they have suffered a traumatic experience in the past. The study examined how an individual's eyes responded when shown threatening images.
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Mundane behavioral decisions, actions can be 'misremembered' as done
Mundane behaviors such as taking a daily medication can eventually create false memories of completing the task.
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Baleen whales have changed their distribution in the Western North Atlantic
Researchers using passive acoustic recordings of whale calls to track their movements have found that four of the six baleen whale species found in the western North Atlantic Ocean — humpback, sei, fin and blue whales — have changed their distribution patterns in the past decade. The recordings were made over 10 years by devices moored to the seafloor at nearly 300 locations from the Caribbean S
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Chemical thermometers take temperature to the nanometric scale
Scientists recently developed molecular films that can measure the operating temperature of electronic components on a nanometric scale. These patented temperature-sensitive molecules have the distinctive quality of being extremely stable, even after millions of uses. They could soon be deployed in the microelectronics industry.
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Predicting the biodiversity of rivers
Biodiversity and thus the state of river ecosystems can now be predicted by combining environmental DNA with hydrological methods, researchers have found. Using the river Thur as an example, the approach allows areas requiring conservation to be identified in order to initiate protective measures.
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The secret to renewable solar fuels is an off-and-on again relationship
Copper that was once bound with oxygen is better at converting CO2 into renewable fuels than copper that was never bound to oxygen, according to scientists.
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River plants counter both flooding and drought to protect biodiversity
'Water plants are a nuisance in streams, blocking the flow. You should remove them'. This notion has for many years determined how streams were managed to prevent flooding during high rainfall events. However, new research shows how vegetation in streams can actually buffer water levels, by adjusting vegetation cover.
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Principles to enhance research integrity and avoid 'publish or perish' in academia
Amid growing criticism of the traditional "publish or perish" system for rewarding academic research, an international team has developed five principles that institutions can follow to measure and reward research integrity. The team believes that applying these principles in academic hiring and promotion will enhance scientific integrity and amplify the benefits of research to society.
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Pioneering method reveals dynamic structure in HIV
The method reveals that the lattice, which forms the major structural component of the human immunodeficiency virus (HIV), is dynamic. The discovery of a diffusing lattice made from Gag and GagPol proteins, long considered to be completely static, opens up potential new therapies. Apart from viruses, the method can be applied to study any biomedical structure by tracking molecules moving around in
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Opium linked with more deaths after bypass surgery
The largest study on opium use and outcomes after bypass surgery has found that – in contrast to widely held beliefs – it is linked with more deaths and heart attacks.
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Here's Why Parents Shouldn't Stress About Their Kid's Screen-Time During Lockdown
There are ways to limit the impacts.
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Widening cancer gene testing is cost effective and could prevent millions of cancer cases
Screening entire populations for breast and ovarian cancer gene mutations could prevent millions more breast and ovarian cancer cases across the world compared to current clinical practice, according to an international study. The research also shows that it is cost effective in high and upper-middle income countries.
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Pine beetles successful no matter how far they roam — with devastating effects
Whether they travel only a few meters or tens of kilometers to a new host tree, female pine beetles use different strategies to find success — with major negative consequences for pine trees, according to new research.
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Researchers solve a long-standing problem in organic chemistry
Chemists have for a long time been interested in efficiently constructing polyenes – not least in order to be able to use them for future biomedical applications. However, such designs are currently neither simple nor inexpensive. Scientists have now found a bio-inspired solution to the problem.
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Research helping to improve detection of disease in newborn babies
New research will help health-care practitioners to more accurately diagnose disease and illness in newborn babies from urine samples, according to a new study.
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Industry-made pits are beneficial for beavers and wolverines
Beavers and wolverines in Northern Alberta are using industry-created borrow pits as homes and feeding grounds, according to a new study by ecologists.
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Scientists identify new species of sea sponge off the coast of British Columbia, Canada
A research team has published a study on the discovery of a new sponge that is abundant in the region, making up nearly 20 per cent of the live sponges in the reefs off the coast of British Columbia. The new species — called Desmacella hyalina — was discovered using an underwater robot that traveled along the ocean floor, surveying reefs and collecting samples.
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Researchers solve a long-standing problem in organic chemistry
Chemists have for a long time been interested in efficiently constructing polyenes – not least in order to be able to use them for future biomedical applications. However, such designs are currently neither simple nor inexpensive. Scientists have now found a bio-inspired solution to the problem.
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Prostate cancer: How can we decide when to treat?
You have been diagnosed with prostate cancer and your doctor gives you the option of not being treated, but of remaining under observation: is there any objective way you can decide to be treated or not treated? What should you do? Now using first results from analysis of the world's biggest Active Surveillance prostate cancer database, scientists have begun to identify which patients are at risk
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Male sexual worries: What has changed in the post-Viagra age?
Scientists report a change in why men seek help for sexual problems, with fewer men complaining about impotence (erectile dysfunction) and premature ejaculation, and more men, especially younger men, complaining about low sexual desire and curvature of the penis (Peyronie's disease).
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Scientists discover how the rampant 'cat poop parasite' controls cells
Toxoplasma gondii is a parasite that can cause behavioral changes and major health problems in humans. A new study suggests its unique way of spreading in the body can be stopped. The findings are currently limited to mice, but may one day result in new treatments for people. The archetype of the crazy cat lady is embedded in our culture. It's also a notion based on some truth, with several well-
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Scientists find 16 'ultra-black' fish species that absorb 99.9% of light
A team of marine biologists used nets to catch 16 species of deep-sea fish that have evolved the ability to be virtually invisible to prey and predators. "Ultra-black" skin seems to be an evolutionary adaptation that helps fish camouflage themselves in the deep sea, which is illuminated by bioluminescent organisms. There are likely more, and potentially much darker, ultra-black fish lurking deep
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Curiosity Stream Is a Streaming Smörgåsbord of High-Quality Science-Focused Programs
Most of us have been logging a lot more couch and screen time lately. And as many of our mothers used to tell us when we were kids, too much TV can rot your brain. When it comes to reality television and other low-brow shows, there might be some truth to that. But if you make an adjustment to the programming you consume, you can replace "brain rot" with a brain boost. And thanks to Curiosity Stre
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Matt Hancock in new U-turn on coronavirus testing data
Health secretary finally bows to pressure to hand over full facts about positive tests to council health officials Coronavirus – latest updates See all our coronavirus coverage The health secretary, Matt Hancock, has bowed to pressure from councils, which demanded full access to the names and data of people in their areas who tested positive for Covid-19, and those with whom they have been in con
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For astronauts in space, play is a way to stay safe
Astronauts have gone from watching movies on cassettes to dipping into their Netflix queues. (NASA/) The lucky residents of the international Space Station pull 12-hour shifts, including two and a half hours of gym time and six and a half hours of lab work, among other duties. They sleep eight hours, leaving another four for goofing off in zero gravity. If the timing's right, they call home to ca
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When power is toxic: Dominance reduces influence in groups
A new study finds that groups led by subordinate males outperform those led by dominant and aggressive males.
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About 94 per cent of wild bee and native plant species networks lost
Climate change and an increase in disturbed bee habitats from expanding agriculture and development in northeastern North America over the last 30 years are likely responsible for a 94 per cent loss of plant-pollinator networks, researchers found. The researchers looked at plant-pollinator networks from 125 years ago through present day.
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Membrane technology could cut emissions and energy use in oil refining
New membrane technology developed by a team of researchers could help reduce carbon emissions and energy intensity associated with refining crude oil. Laboratory testing suggests that this polymer membrane technology could replace some conventional heat-based distillation processes in the future.
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Genetics could help protect coral reefs from global warming
The research provides more evidence that genetic-sequencing can reveal evolutionary differences in reef-building corals that one day could help scientists identify which strains could adapt to warmer seas.
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Scientists predict dramatic increase in flooding, drought in California
California may see a 54 percent increase in rainfall variability by the end of this century, according to research from an atmospheric scientist.
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Membrane technology could cut emissions and energy use in oil refining
New membrane technology developed by a team of researchers could help reduce carbon emissions and energy intensity associated with refining crude oil. Laboratory testing suggests that this polymer membrane technology could replace some conventional heat-based distillation processes in the future.
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'We can't blame animals': how human pathogens are making their way into vulnerable wildlife
Australian scientists have found evidence of antibiotic resistant bacteria in about a dozen species, including bats, penguins, sea lions and wallabies For 13 years now, scientist Michelle Power has been grabbing samples of human waste and animal poop from Antarctica to Australia to try and answer a vital question. Has the bacteria in humans that has grown resistant to antibiotics – an issue consi
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The World John Lewis Helped Create
Trump John Lewis Obama
Updated at 5:38 p.m. ET on July 18, 2020. John Lewis believed in the American project and wanted to perfect it. On August 28, 1963, Lewis stood on the steps of the Lincoln Memorial before hundreds of thousands of people, but his mind was on those who could not be there. He thought of the Black people in Danville, Virginia, living under the heavy baton of a police state; of the sharecroppers in th
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John Lewis Was an American Founder
Trump House John Lewis
T he Alabama that John Lewis was born into in 1940 was a one-party authoritarian state. Forty years before Lewis was born, the white elite of Alabama, panicked by a populist revolt of white and Black workers, shut Black men out of politics in a campaign of terror, fraud, murder, and, finally, disenfranchisement. "We had to do it. Unfortunately, I say it was a necessity. We could not help ourselve
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Grassroots football gets green light to return to the training ground
Conditions include: no goal celebrations, no shared equipment and clean gloves The phased return of outdoor competitive grassroots football in England has been confirmed, with amateur and youth clubs allowed to return to proper training immediately, the Football Association has announced. Up until 31 July groups of a maximum 30 people, including coaches, will be able to return to competitive trai
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Dive into Microsoft Azure and Prep for Key Certifications with this Training
Microsoft Azure is kind of a big deal. The cloud computing service drives virtual desktops, communications tools like email, content delivery networks that ensure your files are always available, and so much more. According to Microsoft , 95% of the Fortune 500 use Microsoft Azure. And, Azure is only going to become more important for IT departments. Even before the current situation, remote work
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Johnson is asking Santa for a Christmas recovery
Without clear leadership from the top, employers will simply not risk a full return to the workplace this year There is little chance of the economy staging a full recovery by the middle of the decade, let alone by Christmas, as Boris Johnson believes is possible . Speaking with the optimism of a first world war general, the prime minister said on Friday that most restrictions on business activity
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Bad News about the Pandemic: We're Not Getting Back to Normal Any Time Soon
Thinking that we might is an example of what psychologists call "anchoring bias" — Read more on ScientificAmerican.com
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De er kendt for at finde vej – men skildpadder svømmer hundredvis af kilometer forkert
Det skyldes, at havskildpadderne navigerer efter jordens magnetfelt.
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Giant Caves on Alien Worlds Could Be Havens For Life, Scientists Say
Is there life in lava tubes?
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Want to Maintain Online Privacy and Security Without Sacrificing Speed and Performance?
If you're at all concerned about the privacy and security of your personal data on the Internet, you've probably already thought about trying a virtual private network, or VPN. But in case you're unclear on what a VPN is, here's a quick introduction: Basically, whenever you use the Internet, it's possible that everyone from hackers to law enforcement to your own ISP can see what you are browsing
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This Week's Awesome Tech Stories From Around the Web (Through July 18)
ARTIFICIAL INTELLIGENCE OpenAI's Fiction Spewing AI Is Learning to Generate Images Karen Hao | MIT Technology Review "The results are startlingly impressive and demonstrate a new path for using unsupervised learning, which trains on unlabeled data, in the development of computer vision systems. …The fact that iGPT uses the same algorithm as GPT-2 also shows its promising adaptability. This is in
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Weekend reads: Why science needs red teams; when clinical trial participants lie; kids cheating in science fairs?
Before we present this week's Weekend Reads, a question: Do you enjoy our weekly roundup? If so, we could really use your help. Would you consider a tax-deductible donation to support Weekend Reads, and our daily work? Thanks in advance. The week at Retraction Watch featured: A paper on vaccines in Nigeria retracted because its author … Continue reading
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John Lewis: Photos From a Life Spent Getting Into Good Trouble
House Obama John Lewis
The civil-rights icon and longtime U.S. representative John Lewis died yesterday at the age of 80. Lewis began his life as the son of an Alabama sharecropper, and became active in the civil-rights movement while he was a student in Nashville, Tennessee. Lewis became nationally known after the March 7, 1965, "Bloody Sunday" march to Montgomery, Alabama, when he and dozens of other marchers were br
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Who Pulled Off the Twitter Hack?
Plus: WhatsApp's court case, a VPN exposed, and more of the week's top security news.
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There Is So Much More Than the Nuclear Family, Even Now
It's easy to get the impression that the majority of Americans are spending their days at home, isolated with their nuclear family. The idea of the family as the main source of care and refuge has dominated both media coverage and public-health messaging since the beginning of the coronavirus pandemic. If doctors, politicians, and reporters think of the family as the default source of care in our
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Coronavirus Live News and Updates
Leaders across the U.S. are looking at new restrictions as caseloads surge and deaths rise. Nicaragua's Sandinistas are being cut down by an outbreak they denied.
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Why Low-Budget Horror Is Thriving This Summer
Only during a global pandemic would the biggest film in the U.S. be not a superhero blockbuster or a Fast and the Furious sequel, but a low-budget horror movie about a teenage boy in the suburbs doing battle with a witch living next door. Thanks to the coronavirus disrupting the usual summer release schedule, The Wretched now belongs to a tiny group of films that have topped the U.S. box office f
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Coronavirus vaccine tracker: how close are we to a vaccine?
More than 140 teams of researchers are racing to develop a safe and effective coronavirus vaccine Researchers around the world are racing to develop a vaccine against Covid-19, with more than 140 candidate vaccines now tracked by the World Health Organization (WHO). Continue reading…
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The World Is Noisy. These Groups Want to Restore the Quiet
Silence is increasingly scarce, even in national parks. Now, scientists and environmentalists are working to calm the noise for the good of nature—and for us.
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Spørg Fagfolket: Løber vi tør for råstoffer til batterier og vindmølledynamoer?
PLUS. En læser er bekymret for, at vi løber tør for materialer til batterier, som transportsektoren bliver mere grøn. Centerleder hos Geus giver et overblik over råstofferne.
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We Need to Begin Again
The United States has confronted two crucial moments of moral reckoning where we faced the daunting challenge of beginning again; both times we failed. The first was during the Civil War and Reconstruction, which constituted a second founding for the country. The second was the Black-freedom struggle of the mid-20th century. What we need now is a third American founding. We need an America where
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The Twitter Hacks Have to Stop
Twitter was hacked this week. Not a few people's Twitter accounts, but all of Twitter . Someone compromised the entire Twitter network, probably by stealing the log-in credentials of one of Twitter's system administrators. Those are the people trusted to ensure that Twitter functions smoothly. The hacker used that access to send tweets from a variety of popular and trusted accounts, including tho
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Sick of 'Animal Crossing'? Try 'Ooblets'
If Tom Nook is getting you down, a new farming simulator offers a sweet escape.
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The 16 Best Weekend Deals: Tech Gear, Mattresses, and More
Whether it's time to upgrade your headphones or you need to change up your sleeping routine, these sales have you covered.
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The Court Got the Trump Subpoena Cases Exactly Backward
On the last day of its 2019 term, the Supreme Court decided two cases about the degree to which President Donald Trump's personal financial records are subject to subpoena by two different investigating bodies. In Trump v. Vance , the Court rejected the president's claim that he is immune from state grand-jury subpoenas while in office, and even rejected the contention that such subpoenas must me
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What the Coronavirus Proved About Homelessness
Editor's Note: This article is part of " Uncharted ," a series about the world we're leaving behind, and the one being remade by the pandemic. When the coronavirus forced countries into lockdown and confined people to their homes, governments had to confront an urgent question: How do stay-at-home orders apply to those without a home? For Britain, the answer was simple: " Bring everyone in ." Wit
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Why Tribes Should Have the Power to Enforce Strict Coronavirus Policies
American Indians face a grave ordeal in the COVID-19 pandemic. With awful poverty, dire rates of preexisting health conditions, and an already-broken rural health-care system, the death rates on reservations are sure to be higher than just about anywhere else in the country. One additional factor is making fighting the pandemic even harder for tribes: the legal complexities that govern American I
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He Kept a Community's Bears in Check, but He Won't Anymore
Steve Searles, known as the 'bear whisperer' of Mammoth Lakes, Calif., quit his post after the coronavirus epidemic led to cuts in the town's budget.
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A Covid-19 Lesson: Some Seriously Ill Patients Can Be Treated at Home
To ease pressure on hospitals, Northwell Health brought medical workers, oxygen tanks and intravenous equipment into patients' homes. Now Florida is taking cues.
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Black Lives Matter, grandma and me: how our world changed during lockdown
After months apart, Jade Bentil was reunited with her grandmother, in time to see the BLM protests unfold. She reflects on a history of repression It is Saturday 13 June 2020 and the world is on fire. I'm sitting with my grandma, Esther, in her living room in south London for the first time in three months. She's reclining in her favourite chair, occasionally sitting up to gesticulate at the TV a
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Jordnära om artificiell intelligens
Det är något sympatiskt med själva tilltalet. Texter om artificiell intelligens kan bli så storvulna. Antingen kommer smarta maskiner att hitta galanta lösningar på i stort sett alla problem där människans intellekt går bet. Eller så tar de över världen och förvandlar oss människor till medel för sina egna mål.
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Joe Biden's Vice President Could Be the Most Powerful in History
I f Joe Biden wins in November , his running mate could become the most consequential vice president in modern American history. The woman Biden picks could be seen as a potential president-in-waiting, a signal for the Democratic Party's agenda in the years to come, and perhaps the most significant player trying to help Biden manage a country—and a federal government—in crisis. Under normal condi
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Simple Addition to Crops Could Help Soak Up 2 Billion Tonnes of CO2 Each Year
And we could use existing infrastructure.
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Siberia's Current Heatwave Would Be 'Almost Impossible' if Climate Change Wasn't Real
It would have almost no chance of happening.
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Leica's new $8,300 M10-R still feels like a camera from the '50s
The design doesn't change much, but Leica die-hards wouldn't have it any other way. (Leica/) There are a few topics in the camera nerd community that guarantee controversy. Do megapixels actually matter? Are prime lenses better than zooms? But few prompts can really rile up a comment section like a new Leica. The company's 40-megapixel camera is no exception. The M10 -R will cost $8,295 when it's
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Imse vimse – men vem ska spinna tråden?
"Vår tid har omnämnts som en gyllene tidsålder för materialutveckling. Vårt samhälle står inför en stor omställning, där vi kommer tvingas att gå från dagens oljebaserade material till att använda oss av förnybara råvaror där produkterna kan ingå i ett naturligt kretslopp. Transformationen utgör en stor drivkraft för innovation. Genom att förbättra olika material kan vi åstadkomma mindre energi
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Tysk DJ spiller synthesizer med tankens kraft
Bertolt Meyer har forbundet sin håndprotese med en synthesizer, så han kan spille techno-toner ved hjælp af elektriske signaler, der bevæger sig fra hjernen via musklerne til det elektroniske instrument. Pludselig er hans handicap vendt til en fordel.
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Why has there been no public information campaign about face masks? | Daniel Howdon
With good sense having belatedly prevailed, the policy's success is dependent on the degree and quality of compliance On 24 July it becomes compulsory to wear face masks in shops and supermarkets in England. What determines how we can expect such measures to play out? Largely, three things: how confident we can be in the available evidence, the size of the estimated effect among a compliant popul
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Bil kører på 10 procent tang: Danske forskere vil lave mere klimavenlig benzin
Der skal dog mere forskning til, før en del af benzinen til din bil består af tang-ethanol.
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Brazil's Bolsonaro under pressure to protect Amazon
Faced with investors demanding "results" in the fight against Amazon deforestation, Brazil's government seems to be performing something of an about-face, although it will have to work to convince skeptics.
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Two US astronauts to come home on SpaceX ship on August 2
The two US astronauts who reached the International Space Station (ISS) on board the first crewed US spacecraft in nearly a decade will leave for Earth on August 1, NASA's chief said Friday.
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Isoflavones in soybean help protect pigs against viral infections
URBANA, Ill. - Pigs that eat soybean as a regular part of their diet may be better protected against viral pathogens, a new study from University of Illinois shows. The researchers attribute the effect to isoflavones, a natural compound in soybeans.
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Isoflavones in soybean help protect pigs against viral infections
URBANA, Ill. - Pigs that eat soybean as a regular part of their diet may be better protected against viral pathogens, a new study from University of Illinois shows. The researchers attribute the effect to isoflavones, a natural compound in soybeans.
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Covid-19: what went wrong — and how to halt the next pandemic
As calls for inquiries intensify, three leading science writers set the tone of the debate
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EU deadlocked on €750bn coronavirus rescue plan as northern nations dig heels in
The main stumbling block is over vetting procedures to access aid from the planned economic recovery fund Coronavirus latest updates EU leaders have failed to agree on a massive stimulus plan to breathe life into economies ravaged by the coronavirus pandemic, and will try again to find an agreement whe talks resume on Saturday. . Many of the 27 heads of government declared on arrival for their fi
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Coronavirus: UK plans millions of antibody tests after trial success – report
The finger-prick tests were found to be 98.6% accurate in secret human trials held in June, according to the Daily Telegraph Coronavirus latest updates The UK government is planning to distribute millions of free coronavirus antibody tests after successful secret trials, according to reports. The finger-prick tests, which can tell within 20 minutes if a person has ever been exposed to the coronav
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New test offers clarity for couples struggling to conceive
A male fertility test could help predict which men might need treatment and which couples might have success with different forms of assisted reproduction.
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Divining monsoon rainfall months in advance with satellites and simulations
Researchers have developed a strategy that more accurately predicts seasonal rainfall over the Asian monsoon region and could provide tangible improvements to water resource management on the Indian subcontinent, impacting more than one fifth of the world's population.
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Potential treatment for rare degenerative disease
A pharmacology professor and her team have uncovered a mechanism driving a rare, lethal disease called Wolfram Syndrome and also a potential treatment.
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Beautyberry leaf extract restores drug's power to fight 'superbug'
Laboratory experiments showed that the plant compound works in combination with oxacillin to knock down the resistance to the drug of methicillin-resistant Staphylococcus aureus, or MRSA.
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Heat stress in gestating dairy cows impairs performance of future generations
Scientists investigated the performance and profitability of two future generations of cows born to mothers exposed to heat stress during pregnancy.
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Widely used blood test could advance heart failure treatment
Researchers have developed a new use for a common blood test, which could provide a potentially life-saving treatment for heart failure.
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Timing key in understanding plant microbiomes
Researchers have made a key advance in understanding how timing impacts the way microorganisms colonize plants, a step that could provide farmers an important tool to boost agricultural production.
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Expand school digital literacy lessons to cover health technologies used by young people
Young people need more support to navigate the growing number of digital technologies which track and manage their health, say researchers.
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Using the past to predict the future: The case of Typhoon Hagibis
The past is often the window to our future, especially when it comes to natural disasters. Using data from the 2018 floods that struck southwestern Japan to calibrate a machine learning model, researchers have successfully identified the flooding caused by Typhoon Hagibis.
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Rare mutation of TP53 gene leaves people at higher risk for multiple cancers
Researchers detail the potential implications of a specific TP53 mutation, including an association with a specific type of Li-Fraumeni syndrome, an inherited predisposition to a wide range of cancers.
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Evolutionary stalling and a limit on the power of natural selection to improve a cellular module [Evolution]
Cells consist of molecular modules which perform vital biological functions. Cellular modules are key units of adaptive evolution because organismal fitness depends on their performance. Theory shows that in rapidly evolving populations, such as those of many microbes, adaptation is driven primarily by common beneficial mutations with large effects, while…
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Two-step reaction mechanism reveals new antioxidant capability of cysteine disulfides against hydroxyl radical attack [Chemistry]
Cysteine disulfides, which constitute an important component in biological redox buffer systems, are highly reactive toward the hydroxyl radical (•OH). The mechanistic details of this reaction, however, remain unclear, largely due to the difficulty in characterizing unstable reaction products. Herein, we have developed a combined approach involving mass spectrometry (MS)…
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Morphological profiling of tubercle bacilli identifies drug pathways of action [Microbiology]
Morphological profiling is a method to classify target pathways of antibacterials based on how bacteria respond to treatment through changes to cellular shape and spatial organization. Here we utilized the cell-to-cell variation in morphological features of Mycobacterium tuberculosis bacilli to develop a rapid profiling platform called Morphological Evaluation and Understanding…
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Bacterial immunotherapy for cancer induces CD4-dependent tumor-specific immunity through tumor-intrinsic interferon-{gamma} signaling [Immunology and Inflammation]
Bacillus Calmette–Guérin (BCG) immunotherapy for bladder cancer is the only bacterial cancer therapy approved for clinical use. Although presumed to induce T cell-mediated immunity, whether tumor elimination depends on bacteria-specific or tumor-specific immunity is unknown. Herein we show that BCG-induced bladder tumor elimination requires CD4 and CD8 T cells, although…
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Reconfigurable microbots folded from simple colloidal chains [Applied Physical Sciences]
To overcome the reversible nature of low-Reynolds-number flow, a variety of biomimetic microrobotic propulsion schemes and devices capable of rapid transport have been developed. However, these approaches have been typically optimized for a specific function or environment and do not have the flexibility that many real organisms exhibit to thrive…
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Cavity molecular dynamics simulations of liquid water under vibrational ultrastrong coupling [Physics]
We simulate vibrational strong coupling (VSC) and vibrational ultrastrong coupling (V-USC) for liquid water with classical molecular dynamics simulations. When the cavity modes are resonantly coupled to the O−H stretch mode of liquid water, the infrared spectrum shows asymmetric Rabi splitting. The lower polariton (LP) may be suppressed or enhanced…
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V1 neurons encode the perceptual compensation of false torsion arising from Listing's law [Neuroscience]
We try to deploy the retinal fovea to optimally scrutinize an object of interest by directing our eyes to it. The horizontal and vertical components of eye positions acquired by goal-directed saccades are determined by the object's location. However, the eccentric eye positions also involve a torsional component, which according…
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Cryo-EM analysis of a membrane protein embedded in the liposome [Biophysics and Computational Biology]
Membrane proteins (MPs) used to be the most difficult targets for structural biology when X-ray crystallography was the mainstream approach. With the resolution revolution of single-particle electron cryo-microscopy (cryo-EM), rapid progress has been made for structural elucidation of isolated MPs. The next challenge is to preserve the electrochemical gradients and…
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Crystallographic evidence of Watson-Crick connectivity in the base pair of anionic adenine with thymine [Chemistry]
Utilizing an ionic liquid strategy, we report crystal structures of salts of free anionic nucleobases and base pairs previously studied only computationally and in the gas phase. Reaction of tetrabutylammonium ([N4444]+) or tetrabutylphosphonium ([P4444]+) hydroxide with adenine (HAd) and thymine (HThy) led to hydrated salts of deprotonated adenine, [N4444][Ad]·2H2O, and…
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Maladaptive response of arterial myocytes to chronic exposure to Ca2+ channel blockers [Commentaries]
"The tragedies in life are largely arterial." – Sir William Osler, 1908 (1) Hypertension is a debilitating cardiovascular disease characterized by the narrowing of arteries and arterioles which increases resistance to blood flow. This decrease in intraluminal diameter of arteries/arterioles is due to multiple factors, including arterial smooth muscle hypertrophy…
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Aerosols enhance cloud lifetime and brightness along the stratus-to-cumulus transition [Earth, Atmospheric, and Planetary Sciences]
Anthropogenic aerosols are hypothesized to enhance planetary albedo and offset some of the warming due to the buildup of greenhouse gases in Earth's atmosphere. Aerosols can enhance the coverage, reflectance, and lifetime of warm low-level clouds. However, the relationship between cloud lifetime and aerosol concentration has been challenging to measure…
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Plato's cube and the natural geometry of fragmentation [Applied Physical Sciences]
Plato envisioned Earth's building blocks as cubes, a shape rarely found in nature. The solar system is littered, however, with distorted polyhedra—shards of rock and ice produced by ubiquitous fragmentation. We apply the theory of convex mosaics to show that the average geometry of natural two-dimensional (2D) fragments, from mud…
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Coronavirus live news: record rise in global Covid cases as Australian parliament is postponed
The US, Brazil and India see biggest increases as worldwide tally grows by 237,743 in 24 hours; Australian parliament postponed on medical advice. Follow all the developments live Opposition accepts Scott Morrison's decision to postpone parliament Global report: India cases pass 1 million mark Boris Johnson's plan for 'normality' met with criticism Los Angeles suburbs hit hard as cases surge in C
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The CDC Just Released More Information on Who Is Most at Risk From COVID-19
Here's what to look out for.
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Amazon soya and beef exports 'linked to deforestation'
UK consumers may unwittingly be buying meat linked to the destruction of the Amazon, experts say.
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Study of Over 1 Million People Finds Intriguing Link Between Iron Levels And Lifespan
Unlocking the secrets of ageing healthily.
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Please Stop Freaking Out, NASA Has Not Changed Your Star Sign
Astronomers just did the math ¯\_(ツ)_/¯
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US cars 'must be left out of post-Brexit trade deal'
UK safety campaigners raise concerns about an increase in the number of US deaths caused by SUVs.
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Unexplained Glitches in Pulsars Could Be Evidence of Elusive 'Strange Nugget' Particles
They're candidates for dark matter.
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Closest images ever taken of the sun reveal "nanoflares"
ESO's Solar Orbiter has sent back new images from halfway between the Earth and the Sun. The images show far more "nanoflares" than ever seen before. The discovery raises more questions about how the Sun works. Looking at the Sun isn't easy. If you do it by yourself, you'll get eye damage. If you do it with highly specialized scientific equipment on Earth, you'll notice the atmosphere getting in
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The Lancet Global Health: Benefits of routine childhood vaccines far outweigh risks of additional COVID-19 transmission in Africa, modelling study suggests
The health benefits of maintaining routine childhood vaccination programmes in Africa during the COVID-19 pandemic far outweigh the risk of SARS-CoV-2 transmission that might be associated with clinic visits, according to a modelling study published in The Lancet Global Health journal.
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Flossie Wong-Staal, Who Unlocked Mystery of H.I.V., Dies at 73
A molecular biologist, she helped establish the virus as the cause of AIDS, then cloned it and took it apart to understand how it evades the immune system.
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Major study shows prostate cancer treatment has significant impact on quality of life
Findings from the first international prostate cancer quality of life study conducted by patients themselves reports that significant numbers of men treated for the disease are struggling with continence and sexual problems after treatment. Results suggest that any treatment apart from active surveillance may negatively affect quality of life, and indicate that for many men these effects may be gr
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Women taking menopausal hormone therapy may be more resistant to urine infections
In the first analysis of its kind, US-based doctors have shown that women who take menopausal hormone therapy (MHT, also known as HRT) have a greater variety of beneficial bacteria in their urine, possibly creating conditions that discourage urinary infections. The study also shows that women who suffer from recurrent urine infections have fewer different types of bacteria in urine than women who
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A sci-fi cartoon short story about existence as an expression of Art. Topics like immortality, transhumanism, simulation theory and the meaning of life
submitted by /u/0ranssi [link] [comments]
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Hey, I am a Pain researcher from Tel-Aviv University. We devised this survey for everyone and we are interested to know what you think about contemporary narratives of pain medicine and science. We hope our results will help us improve patient-therapist communication.
submitted by /u/asafklaf [link] [comments]
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An invisible hand: Patients aren't being told about the AI systems advising their care [United States of America]
submitted by /u/trot-trot [link] [comments]
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Von Restorff Effect: Being different is more memorable.
submitted by /u/hustl_YT [link] [comments]
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New insight into the origin of water on Earth
Scientists have found the interstellar organic matter could produce an abundant supply of water by heating, suggesting that organic matter could be the source of terrestrial water.
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Antarctica more widely impacted by humans than previously thought
Using a data set of 2.7 million human activity records, the team showed just how extensive human use of Antarctica has been over the last 200 years.
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Separating gamma-ray bursts: Students make critical breakthrough
By applying a machine-learning algorithm, scientists have developed a method to classify all gamma-ray bursts (GRBs), rapid highly energetic explosions in distant galaxies, without needing to find an afterglow – by which GRBs are presently categorized. This breakthrough, initiated by first-year B.Sc. students, may prove key in finally discovering the origins of these mysterious bursts.
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Weaving Indigenous knowledge with scientific research: a balanced approach
Insights from bicultural research can enhance practical applications from a palaeotsunami database to land-use decisions, according to a new review.
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How Viruses Evolve
Pathogens that switch to a new host species have some adapting to do. How does that affect the course of a pandemic like COVID-19?
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Blood iron levels could be key to slowing aging, gene study shows
Genes linked to aging that could help explain why some people age at different rates to others have been identified by scientists.
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Pre-brain surgery test protects language in some tumors
A preoperative procedure might enable surgeons to protect the language centers during brain tumor removal without needing to keep patients awake during surgery.
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Recognizing fake images using frequency analysis
They look deceptively real, but they are made by computers: so-called deep-fake images are generated by machine learning algorithms, and humans are pretty much unable to distinguish them from real photos. Researchers have developed a new method for efficiently identifying deep-fake images. To this end, they analyse the objects in the frequency domain, an established signal processing technique.
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Dietary Guidelines are not compatible with global health and environmental targets
Most dietary guidelines are not compatible with global health and environmental targets, finds a new analysis.
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Scientists identify new material with potential for brain-like computing
Researchers have developed a new complex material design strategy for potential use in neuromorphic computing, using metallocene intercalation in hafnium disulfide (HfS2). The work is the first to demonstrate the effectiveness of a design strategy that functionalizes a 2D material with an organic molecule.
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Prediabetes linked to increased risk of heart disease and early death
Prediabetes is associated with an increased risk of cardiovascular disease and death in both the general population and in patients with a history of heart problems, finds a new review.
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Devices can reduce fibers produced in laundry cycle by up to 80%
A study compared the efficiency of six different devices, ranging from prototypes to commercially available products.
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Marine drifters: Interdisciplinary study explores plankton diversity
Researchers have combined mathematical models, marine science, and metagenomics to answer a decades-old question – why are there so many species in the ocean?
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T-cells: the missing link in coronavirus immunity?
Evidence emerges that hard-to-measure cells are as vital as antibodies for conquering Covid-19
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US sees another record one-day jump in coronavirus cases
More than 77,000 infections prompts more shutdown measures, including California schools
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Meet Trump's controversial pick for a top Census job
Congressional Democrats want administration to remove Africa specialist Nathaniel Cogley
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The Atlantic Daily: Is There a Song of the Summer?
Every weekday evening, our editors guide you through the biggest stories of the day, help you discover new ideas, and surprise you with moments of delight. Subscribe to get this delivered to your inbox . (THE ATLANTIC) "Can one great bop unite the sweltering, socially distanced masses?" our culture writer Spencer Kornhaber asks. He explains: The mythology of the song of the summer honors the shar
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U.S. Reports More Than 70,000 New Coronavirus Cases for the Second Time
A new outbreak in China hints at a continued struggle to stamp out infections. California's governor announces rules that would force most schools to start the year with virtual learning.
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Precision trial highlights need for new approach to treating genomically complex cancers
A pioneering lung cancer study has highlighted important factors that will need to be considered in the next wave of precision medicine studies particularly in treating genomically complicated cancers.
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Identifying sources of deadly air pollution in the United States
A new study provides an unprecedented look at the causes of poor air quality in the United States and its effects on human health.
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Scientists open new window into the nanoworld
Researchers have used ultra-fast extreme ultraviolet lasers to measure the properties of materials more than 100 times thinner than a human red blood cell.
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How did Australia lose its grip on covid-19 and can it get it back?
Australia was close to eliminating covid-19 but is now experiencing a large outbreak that spread from hotels, which are being used to quarantine returning travellers
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Isoflavones in soybean help protect pigs against viral infections
Pigs that eat soybean as a regular part of their diet may be better protected against viral pathogens, a new study from University of Illinois shows. The researchers attribute the effect to isoflavones, a natural compound in soybeans.
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COVID-19 news from Annals of Internal Medicine
SARS-CoV-2 RNA found in a healthy blood donor 40 days after resolution of symptoms.
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Researchers discover hybrid fungus involved in lung infections
This is the first time Aspergillus latus has been found in a hospital. The species is more drug-resistant than its two parents and highly dangerous. The researchers will now investigate the role of fungi in COVID-19.
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Exercise in a first-year writing course increases retention at broad-access universities
New research shows that embedding a reading-and-writing exercise about social belonging into the first-year college curriculum increased the persistence and performance of Black, Latinx, Native American, and first-generation students at a large, urban, broad-access university.
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When Scott Morrison muses about crossroads, he's really pondering his own prime ministership
With close to a million Australians unemployed, the government's next run of decisions will need to be right, or at least right enough Scott Morrison has been musing out loud about crossroads. The brief foray into symbolism was prompted by the cluster of coronavirus infections at the Crossroads hotel in Casula in New South Wales. So far, state authorities seem to be on top of that outbreak. Victo
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Twelve gorgeous layer cakes to make right now
This story originally featured on Saveur . Layer cakes originated in the South, and with their over-the-top grandeur and unapologetic sweetness, they're inexorably linked to the culture. We're obsessed with the drama and the excitement of a layer cake, and as any true southerner knows, these desserts can be just the thing that take you back to your childhood . If you're a chocolate lover try our
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Is it safe to strike up the band in a time of coronavirus?
Researchers study the flow of particles from clarinets, trumpets, and other instruments
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Claim that coconut oil is worse for biodiversity than palm oil sparks furious debate
Coconut palm threatens more species per ton of oil produced than any other crop, study says
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MU advances chemotherapy-free treatment for cancer in animals and humans
Osteosarcoma, a common bone cancer in dogs, affects more than 10,000 dogs in the US each year. While chemotherapy is generally effective at killing some of the cancer cells, the numerous side effects can be painful and often a subset of cancer cells exist that are resistant to chemotherapy.
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The Fear of Setting the Planet on Fire with a Nuclear Weapon
The idea of a nuclear bomb accidentally setting the entire planet on fire was once a fear shared by many.
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Ecuadorian hummingbirds chirp ultrasonic songs of seduction
Perched on a flowering shrub on a windy Andean mountainside, the tiny Ecuadorian Hillstar hummingbird chirps songs of seduction that only another bird of its kind can hear.
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China moves rocket into place for upcoming Mars mission
China has moved a rocket into position to launch a rover to Mars in one of three upcoming missions to the red planet, one from the U.S. and another by the United Arab Emirates.
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Ecuadorian hummingbirds chirp ultrasonic songs of seduction
Perched on a flowering shrub on a windy Andean mountainside, the tiny Ecuadorian Hillstar hummingbird chirps songs of seduction that only another bird of its kind can hear.
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A call to arms: Enlisting private land owners in conservation
In 1872 the United States created Yellowstone, the first National Park in the world. Since then many more parks, monuments, preserves, wildernesses and other protected areas have been created in the USA. Protected areas, like Yellowstone, are invaluable, but are they actually effective at preserving endangered species? And if not, how can future protected areas do better?
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Scientists find faster way to count animal sperm using DNA
Researchers at the University of New Hampshire have identified a quicker and less expensive way to count sperm in lobsters that could help scientists looking at any animal better understand mating, a key aspect of species survival.
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A new stock exchange focused on the long-term | Michelle Greene
Investors tend to think in daily and quarterly numbers, leading to a system that can harm the future health of the economy and planet. Michelle Greene explains how the Long-Term Stock Exchange is reimagining public markets by holding companies to forward-thinking standards of diversity and inclusion, employee investment and environmental responsibility — and generating better outcomes for everyon
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A call to arms: Enlisting private land owners in conservation
In 1872 the United States created Yellowstone, the first National Park in the world. Since then many more parks, monuments, preserves, wildernesses and other protected areas have been created in the USA. Protected areas, like Yellowstone, are invaluable, but are they actually effective at preserving endangered species? And if not, how can future protected areas do better?
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Scientists find faster way to count animal sperm using DNA
Researchers at the University of New Hampshire have identified a quicker and less expensive way to count sperm in lobsters that could help scientists looking at any animal better understand mating, a key aspect of species survival.
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Supplements with potential to prevent Alzheimer's affect blood, but less so the brain
A small clinical trial from USC suggests that higher doses of omega-3 supplements may be needed in order to prevent or slow cognitive decline from Alzheimer's disease, because dramatic increases in blood levels of omega-3s are accompanied by far smaller increases within the brain. Among participants who carry a specific mutation that heightens risk for Alzheimer's, taking the supplements raised le
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Data analytics can predict global warming trends, heat waves
New data analytics process evaluates how global energy consumption, as well as urban green infrastructure, can affect climate change.
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Newly identified cell type may help predict, treat rheumatoid arthritis flares
Methods developed for the study may apply to other diseases, such as COVID-19
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Decadal predictability of North Atlantic blocking and the NAO
Decadal predictions are important to study climate evolution on multi-annual to decadal timescales and may represent an unprecedented opportunity for decision-makers to calibrate plans and actions over a temporal horizon of a few years. More insights on this topic may come from a study led by the CMCC Foundation and recently published on NPJ Climate and Atmospheric Science.
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Does having Alzheimer's disease and dementia affect severity of delirium?
Recently, researchers published findings from the Better Assessment of Illness (BASIL) study, in the Journal of the American Geriatrics Society. They created the study to examine delirium, severe delirium, and its aftermath.
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A Forgotten Legacy: How Nuclear Reactors Built for War Transformed Peacetime Science
Isotopes produced in the original Manhattan Project reactors seeded decades of research and even a few Nobel Prizes.
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Does TikTok Really Pose a Risk to US National Security?
Concerns about the Chinese government shouldn't be dismissed, experts say. But banning TikTok would be a drastic measure.
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James Webb Space Telescope Delayed Again to October 31, 2021
The James Webb Space Telescope aims to vastly expand our understanding of the cosmos with its gigantic mirror and powerful suite of scientific instruments. However, we're going to have to wait a bit longer for the breakthroughs to start. NASA has announced yet another delay for the mission . Instead of launching in early 2021, NASA is now targeting October 31, 2021. NASA has been planning the Jam
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Transparent, reflective objects now within grasp of robots
Kitchen robots are a popular vision of the future, but if a robot of today tries to grasp a kitchen staple such as a clear measuring cup or a shiny knife, it likely won't be able to. Transparent and reflective objects are the things of robot nightmares. Roboticists at Carnegie Mellon University, however, report success with a new technique they've developed for teaching robots to pick up these tro
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Design of insect-inspired fans offers wide-ranging applications
A highly sophisticated folding mechanism employed by a group of insects for at least 280 million years is set to become available for a wide range of applications, thanks to a design method developed and tested through multidisciplinary research by engineers and palaeobiologists.
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Power of DNA to store information gets an upgrade
A team of interdisciplinary researchers has discovered a new technique to store in DNA information – in this case 'The Wizard of Oz,' translated into Esperanto – with unprecedented accuracy and efficiency. The technique harnesses the information-storage capacity of intertwined strands of DNA to encode and retrieve information in a way that is both durable and compact.
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UNH scientists find faster way to count animal sperm using DNA
Researchers at the University of New Hampshire have identified a quicker and less expensive way to count sperm in lobsters that could help scientists looking at any animal better understand mating, a key aspect of species survival.
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A call to arms: Enlisting private land owners in conservation
In 1872 the United States created Yellowstone, the first National Park in the world. Since then many more parks, monuments, preserves, wildernesses and other protected areas have been created in the USA. Protected areas, like Yellowstone, are invaluable, but are they actually effective at preserving endangered species? And if not, how can future protected areas do better?
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Coronavirus News Roundup: July 11-July 17
Here are pandemic highlights for the week — Read more on ScientificAmerican.com
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Enhanced water repellent surfaces discovered in nature
Through the investigation of insect surfaces, researchers have detailed a previously unidentified nanostructure that can be used to engineer stronger, more resilient water repellent coatings.
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Robots can now give full-body personalised massages at home
Robot massage therapists have been designed for people who don't like strangers touching them or are worried about catching covid-19 from human contact
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Covid-19 news: Plans announced to further ease restrictions in England
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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Watch a 3D Printer Spit Out an Entire Two-Story House
Big Printer Europe's largest 3D printer just spat out an entire two-story tall home , an effort by Belgian sustainable construction company Kamp C. According to the company, it's the biggest house printed in one piece , with a fixed printer, in history. The 32-by-32 foot printer works in much the same way as its much smaller plastic-printing additive cousins — except that it uses a specially mixe
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Scientists Hack Mouse Brains to "Erase" Opioid Addiction
One of the hardest parts of treating addiction is keeping patients from relapsing. Now, researchers at the Chinese Academy of Sciences say that they've "interrupted the brain pathway responsible for morphine-associated memories in mice, that is, 'erasing' the drug-associated memory from the brain." The work could point to a possible way to stop relapses from happening after treating an opioid add
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A Bird Named for a Confederate General Sparks Calls for Change
McCown's longspur, a sparrow-like prairie bird, has spurred a petition and social media campaign, renewed scrutiny of the American Ornithological Society's naming procedures, and launched debates about how scientific communities should reckon with the racist and colonial history embedded in names.
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Uncovering the architecture of natural photosynthetic machinery
Researchers have uncovered the molecular architecture and organizational landscape of thylakoid membranes from a model cyanobacterium in unprecedented detail. The study could help researchers find new and improved artificial photosynthetic technologies for energy production.
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'Lab in a suitcase' could hold the key to safer water and sanitation for millions
Using smaller and less expensive versions of the same specialist equipment found in state-of-the-art microbiology laboratories, a new 'lab in a suitcase' enables screening of millions of bacteria in a single water sample. The kit has already been used to analyze samples from the Akaki rive, Ethiopia, where pathogens were found that can cause diarrhea – still a leading cause of death among children
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Could COVID-19 Trigger Chronic Disease in Some People?
A handful of viruses have been associated with long-term, debilitating symptoms in a subset of those who become infected. Early signs hint that SARS-CoV-2 may do the same.
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Four ways to build your network without attending a conference
Nature, Published online: 17 July 2020; doi:10.1038/d41586-020-02159-x AuthorAID, LinkedIn and WeChat can help to plug the connections gap when events get cancelled, says Edmond Sanganyado.
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Scientists: Climate Change Will Get So Hot Your Organs Shut Down
Organ Failure In the coming years, climate change will heat some parts of the world so much that merely working outdoors could become life-threatening. New models suggest that unless greenhouse gases are reined in, millions of people — especially in developing nations — will be exposed to dangerous levels of heat that could cause heat stress, a dangerous condition that can cause your organs to sh
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Coordination helps avoid continental COVID-19 resurgence, European modeling study shows
Coordinated lockdown strategies among countries is key to preventing resurgent COVID-19 outbreaks in continental Europe, a new modeling study shows.
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Close-up of SARS-CoV-2 protein shows how it interferes with host anti-viral immunity
A detailed study of a SARS-Cov-2 protein, Nsp1, with a central role in weakening the host anti-viral immune response shows that it effectively shuts down production ofproteins in the host.
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Perspective: T cell responses to COVID-19 are a crucial target for research
While early research on the adaptive immune response to COVID-19 primarily looked at antibodies, more information is now emerging on how T cells react to the SARS-CoV-2 virus – addressing a crucial knowledge gap, say Daniel Altmann and Rosemary Boyton in a new Perspective.
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COVID-19: Viral shutdown of protein synthesis
Researchers from Munich and Ulm have determined how the pandemic coronavirus SARS-CoV-2 inhibits the synthesis of proteins in infected cells and shown that it effectively disarms the body's innate immune system
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Coordinated exit strategies crucial to avoid virus second-wave in Europe
Research by the University of Southampton shows European countries need to work together when lifting lockdown measures, to prevent COVID-19 cases rising again on the continent.
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Enhanced water repellent surfaces discovered in nature
Through the investigation of insect surfaces, Penn State researchers have detailed a previously unidentified nanostructure that can be used to engineer stronger, more resilient water repellent coatings.
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Scientists achieve major breakthrough in preserving integrity of sound waves
In a breakthrough experiment, physicist and engineers at the CUNY ASRC have shown that it is possible to limit the movement of sound to a single direction without interruption even when there are deformations along the pathway. The findings pave the way for technologies with more robust sound wave integrity and advances in ultrasound imaging, sonar, and electronic systems that use surface acoustic
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Study identifies missing piece needed for lower-cost, high-quality MRI
Researchers identify the missing piece needed to generate high-quality imaging using low-cost MRI scanners.
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Bubonic Plague Cases Are No Cause for Panic
Reports of the infection–including one death this month–recently shook up social media. But, unlike COVID-19, plague is a disease that countries have more or less got under control.
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The Guardian view on the government's coronavirus gamble: winter will come | Editorial
Boris Johnson suggested that England could see something like normality by Christmas. Don't count on it Coronavirus – latest updates See all our coronavirus coverage In Aesop's fable, the ant uses summer to prepare for the bleak months to come, while the grasshopper idles its time away, only to regret it as temperatures plummet. England must hope Boris Johnson remembers the tale, since as of Wedn
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Why Prairie Dogs Are Ecological Heroes
Although many people view prairie dogs as pests, ecologists absolutely dig them
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Looking to Reduce Inflammation? This Specially-Designed CBD Could Be The Answer.
For centuries, doctors and scientists viewed inflammation as a necessary and unavoidable systemic response to illness or injury. However, over the last few decades, we have seen a major shift in thinking on the subject. Today we understand that inflammation is as much a cause of major medical issues as it is a symptom. In fact, a lot of doctors now argue that being able to control and reduce infl
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Scientists achieve major breakthrough in preserving integrity of sound waves
In a breakthrough for physics and engineering, researchers from the Photonics Initiative at the Advanced Science Research Center at The Graduate Center, CUNY (CUNY ASRC) and from Georgia Tech have presented the first demonstration of topological order based on time modulations. This advancement allows the researchers to propagate sound waves along the boundaries of topological metamaterials withou
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Enhanced water repellent surfaces discovered in nature
Through the investigation of insect surfaces, Penn State researchers have detailed a previously unidentified nanostructure that can be used to engineer stronger, more resilient water repellent coatings.
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Book Excerpt from COVID-19
In Chapter 8, author Debora MacKenzie recounts an unfortunate history of baselessly blaming disease outbreaks on groups perceived as outsiders.
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Ticks that cause red meat allergies are spreading, and invasive fire ants may be our best hope
The lone star tick, common in the southeastern areas of the country, is a frequent carrier of the alpha-gal molecule. It can cause a meat allergy in humans. (NIAID /) If you've ever woken up at midnight with itchy hives, swelling, stomach pain, or trouble breathing with no idea about the cause, there's a chance last night's steak could be the culprit. Allergies to meat are rare, but one way they
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Preserved visual memory and relational cognition performance in monkeys with selective hippocampal lesions
The theory that the hippocampus is critical for visual memory and relational cognition has been challenged by discovery of more spared hippocampal tissue than previously reported in H.M., previously unreported extra-hippocampal damage in developmental amnesiacs, and findings that the hippocampus is unnecessary for object-in-context memory in monkeys. These challenges highlight the need for causal
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{beta}-Catenin safeguards the ground state of mousepluripotency by strengthening the robustness of the transcriptional apparatus
Mouse embryonic stem cells cultured with MEK (mitogen-activated protein kinase kinase) and GSK3 (glycogen synthase kinase 3) inhibitors (2i) more closely resemble the inner cell mass of preimplantation blastocysts than those cultured with SL [serum/leukemia inhibitory factor (LIF)]. The transcriptional mechanisms governing this pluripotent ground state are unresolved. Release of promoter-proximal
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RACK7 recognizes H3.3G34R mutation to suppress expression of MHC class II complex components and their delivery pathway in pediatric glioblastoma
Histone H3 point mutations have been identified in incurable pediatric brain cancers, but the mechanisms through which these mutations drive tumorigenesis are incompletely understood. Here, we provide evidence that RACK7 (ZMYND8) recognizes the histone H3.3 patient mutation (H3.3G34R) in vitro and in vivo. We show that RACK7 binding to H3.3G34R suppresses transcription of CIITA , which is the mas
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Evaluating the impact of long-term exposure to fine particulate matter on mortality among the elderly
Many studies link long-term fine particle (PM 2.5 ) exposure to mortality, even at levels below current U.S. air quality standards (12 micrograms per cubic meter). These findings have been disputed with claims that the use of traditional statistical approaches does not guarantee causality. Leveraging 16 years of data—68.5 million Medicare enrollees—we provide strong evidence of the causal link be
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The evolution of infant mortality inequality in the United States, 1960-2016
What is the relationship between infant mortality and poverty in the United States and how has it changed over time? We address this question by analyzing county-level data between 1960 and 2016. Our estimates suggest that level differences in mortality rates between the poorest and least poor counties decreased meaningfully between 1960 and 2000. Nearly three-quarters of the decrease occurred be
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Probing quantum walks through coherent control of high-dimensionally entangled photons
Control over the duration of a quantum walk is critical to unlocking its full potential for quantum search and the simulation of many-body physics. Here we report quantum walks of biphoton frequency combs where the duration of the walk, or circuit depth, is tunable over a continuous range without any change to the physical footprint of the system—a feature absent from previous photonic implementa
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Cryo-EM structures of calcium homeostasis modulator channels in diverse oligomeric assemblies
Calcium homeostasis modulator (CALHM) family proteins are Ca 2+ -regulated adenosine triphosphate (ATP)–release channels involved in neural functions including neurotransmission in gustation. Here, we present the cryo–electron microscopy (EM) structures of killifish CALHM1, human CALHM2, and Caenorhabditis elegans CLHM-1 at resolutions of 2.66, 3.4, and 3.6 Å, respectively. The CALHM1 octamer str
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Cryo-EM structure of the calcium homeostasis modulator 1 channel
Calcium homeostasis modulator 1 (CALHM1) is a voltage-gated ATP release channel that plays an important role in neural gustatory signaling and the pathogenesis of Alzheimer's disease. Here, we present a cryo–electron microscopy structure of full-length Ca 2+ -free CALHM1 from Danio rerio at an overall resolution of 3.1 Å. Our structure reveals an octameric architecture with a wide pore diameter o
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Reconfigurable Floquet elastodynamic topological insulator based on synthetic angular momentum bias
Originating with the discovery of the quantum Hall effect (QHE) in condensed matter physics, topological order has been receiving increased attention also for classical wave phenomena. Topological protection enables efficient and robust signal transport; mechanical topological insulators (TIs), in particular, are easy to fabricate and exhibit interfacial wave transport with minimal dissipation, e
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Active microrheology of a bulk metallic glass
The glass transition remains unclarified in condensed matter physics. Investigating the mechanical properties of glass is challenging because any global deformation that might result in shear rejuvenation would require a prohibitively long relaxation time. Moreover, glass is well known to be heterogeneous, and a global perturbation would prevent exploration of local mechanical/transport propertie
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Aerosol-forced multidecadal variations across all ocean basins in models and observations since 1920
Earth's climate fluctuates considerably on decadal-multidecadal time scales, often causing large damages to our society and environment. These fluctuations usually result from internal dynamics, and many studies have linked them to internal climate modes in the North Atlantic and Pacific oceans. Here, we show that variations in volcanic and anthropogenic aerosols have caused in-phase, multidecada
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High-sensitivity in vivo contrast for ultra-low field magnetic resonance imaging using superparamagnetic iron oxide nanoparticles
Magnetic resonance imaging (MRI) scanners operating at ultra-low magnetic fields (ULF;
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Compact nanoscale textures reduce contact time of bouncing droplets
Many natural surfaces are capable of rapidly shedding water droplets—a phenomenon that has been attributed to the presence of low solid fraction textures ( s ~ 0.01). However, recent observations revealed the presence of unusually high solid fraction nanoscale textures ( s ~ 0.25 to 0.64) on water-repellent insect surfaces, which cannot be explained by existing wetting theories. Here, we show tha
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Integrated cascade nanozyme catalyzes in vivo ROS scavenging for anti-inflammatory therapy
Here, an integrated cascade nanozyme with a formulation of Pt@PCN222-Mn is developed to eliminate excessive reactive oxygen species (ROS). This nanozyme mimics superoxide dismutase by incorporation of a Mn–[5,10,15,20-tetrakis(4-carboxyphenyl)porphyrinato]–based metal-organic framework compound capable of transforming oxygen radicals to hydrogen peroxide. The second mimicked functionality is that
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GADL1 is a multifunctional decarboxylase with tissue-specific roles in {beta}-alanine and carnosine production
Carnosine and related β-alanine–containing peptides are believed to be important antioxidants, pH buffers, and neuromodulators. However, their biosynthetic routes and therapeutic potential are still being debated. This study describes the first animal model lacking the enzyme glutamic acid decarboxylase–like 1 (GADL1). We show that Gadl1 –/– mice are deficient in β-alanine, carnosine, and anserin
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Molding free-space light with guided wave-driven metasurfaces
Metasurfaces with unparalleled controllability of light have shown great potential to revolutionize conventional optics. However, they mainly require external light excitation, which makes it difficult to fully integrate them on-chip. On the other hand, integrated photonics enables packing optical components densely on a chip, but it has limited free-space light controllability. Here, by dressing
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Dynamic allosteric communication pathway directing differential activation of the glucocorticoid receptor
Allosteric communication within proteins is a hallmark of biochemical signaling, but the dynamic transmission pathways remain poorly characterized. We combined NMR spectroscopy and surface plasmon resonance to reveal these pathways and quantify their energetics in the glucocorticoid receptor, a transcriptional regulator controlling development, metabolism, and immune response. Our results delinea
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High-frequency hearing in a hummingbird
Some hummingbirds produce unique high-frequency vocalizations. It remains unknown whether these hummingbirds can hear these sounds, which are produced at frequencies beyond the range at which most birds can hear. Here, we show behavioral and neural evidence of high-frequency hearing in a hummingbird, the Ecuadorian Hillstar ( Oreotrochilus chimborazo ). In the field, hummingbirds responded to pla
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Human endogenous retroviral protein triggers deficit in glutamate synapse maturation and behaviors associated with psychosis
Mobile genetic elements, such as human endogenous retroviruses (HERVs), produce proteins that regulate brain cell functions and synaptic transmission and have been implicated in the etiology of neurological and neurodevelopmental psychiatric disorders. However, the mechanisms by which these proteins of retroviral origin alter brain cell communication remain poorly understood. Here, we combined si
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De novo rational design of a freestanding, supercharged polypeptide, proton-conducting membrane
Proton translocation enables important processes in nature and man-made technologies. However, controlling proton conduction and fabrication of devices exploiting biomaterials remains a challenge. Even more difficult is the design of protein-based bulk materials without any functional starting scaffold for further optimization. Here, we show the rational design of proton-conducting, protein mater
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The Anatomy of a Cisco Counterfeit Shows Its Dangerous Potential
By tearing down bootleg network switches, researchers found ample opportunity for malice—but no signs of a backdoor this time.
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Google to fund 100,000 online certificate scholarships
America is facing a "middle-skills gap" thanks to the rapid digitalization of work. Google announces new online certificate courses and 100,000 need-based scholarships to train people for in-demand skills. The need for middle-skills will grow as the COVID-19 pandemic hastens technological adoption. American has a "middle skills" gap. Good jobs requiring a high school diploma have contracted since
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Insects Showcase Unexpected Ways to Make Water-Repellent Surfaces
The intersection between water, air, and insects' intricately decorated surfaces turn out to be the key to explain why droplets bounce so quickly off of them.
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Inside Johnson & Johnson's Nonstop Hunt for a Coronavirus Vaccine
In Boston and in the Netherlands, scientists are racing to build a vaccine against the virus strangling the world.
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US universities are right to fight injustice
Nature, Published online: 17 July 2020; doi:10.1038/d41586-020-02143-5 When the Trump administration threatened to deport international students taking only-online courses, there was only one response. No.
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US government rescinds antagonistic international-student visa policy
Nature, Published online: 17 July 2020; doi:10.1038/d41586-020-02160-4 Plan to force students to take in-person classes or face deportation is dropped during a federal hearing.
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Government Leak: Cops Terrified Masks Will Block Facial Recognition
Foiled Again! It turns out that the masks that keep us safe from COVID-19 are a real pain for the police. Leaked documents reveal that the Department of Homeland Security (DHS) has been particularly concerned about how masks block the facial recognition used to surveil Americans, The Intercept reports . Apparently, federal law enforcement and intelligence agencies have been circulating these conc
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Mixed messages hamper pandemic response
US and UK may be suffering impact of unclear policies
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NASA Just Picked a Date for SpaceX to Bring Back Its Astronauts
It's a Date On May 30, SpaceX made history by launching the first astronauts to the International Space Station from U.S. ground since the retirement of NASA's Space Shuttle program in 2011. NASA astronauts Bob Behnken and Doug Hurley may have piloted the the futuristic Crew Dragon space capsule with ease — but the mission, dubbed Demo-2, is far from over. Both astronauts will still have to make
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State-Backed Russian Hackers Are Targeting Coronavirus Vaccine Research
The UK National Cyber Security Centre, (NCSC) in conjunction with their US and Canadian intelligence counterparts, warned on Thursday that Russian hackers with ties to the Kremlin have been targeting coronavirus vaccine development since the early days of the pandemic. The warnings were accompanied by a detailed 16-page document , outlining how Russian hackers might be attempting to steal informa
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Cannabis shows potential for mitigating sickle cell disease pain
Cannabis appears to be a safe and potentially effective treatment for the chronic pain that afflicts people with sickle cell disease, according to a new clinical trial co-led by University of California, Irvine researcher Kalpna Gupta and Dr. Donald Abrams of UC San Francisco. The findings appear in JAMA Network Open.
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The explosion of new coronavirus tests that could help to end the pandemic
Nature, Published online: 17 July 2020; doi:10.1038/d41586-020-02140-8 Researchers are scrambling to find other ways to diagnose the coronavirus and churn out millions of tests a week — a key step in returning to normality.
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Author Correction: The Apostasia genome and the evolution of orchids
Nature, Published online: 17 July 2020; doi:10.1038/s41586-020-2524-1
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Oil and Gas Companies Announce a New CO2 Emissions Target
The aim is to reduce the carbon intensity of operations, but critics say the plan does not go far enough — Read more on ScientificAmerican.com
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US coronavirus surge: 'It's a failure of national leadership'
Sunbelt states suffer a big rise in cases and deaths amid the growing politicisation of issues such as wearing masks
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Groundbreaking new research suggests removing drug-associated memories could prevent relapse
Once the mice in the study had become dependent on the morphine, "switching off" (or silencing) that PVT pathway completely abolished their preference for the morphine. Stanford associate professor Xiaoke Chen's team was able to precisely control the activity of various pathways at different points of the animals' drug-use experience. Extinction training attempts to reduce the strength of those c
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Atomtronic device could probe boundary between quantum, everyday worlds
A new device that relies on flowing clouds of ultracold atoms promises potential tests of the intersection between the weirdness of the quantum world and the familiarity of the macroscopic world we experience every day.
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Coronavirus Vaccine Data Are Targets for Foreign Hackers
Intelligence officials from the US, UK, and Canada point the finger at Cozy Bear, a group with links to the Russian government.
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How does our brain's activity shape behavior?
Suppose you have a ritual of eating cereal every morning for breakfast. Normally, you walk into the kitchen and perform a sequence of fine motor commands, like shaking out the proper amount of cereal, grabbing a single spoon from the drawer, pouring in milk, and carefully raising the spoon to your mouth, being mindful not to spill. But on this morning, you find no cereal in the usual spot in the
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Chest x-rays show more severe COVID-19 in non-white patients
Racial/ethnic minority patients admitted to the hospital with COVID-19 infection are more likely to have more severe disease on chest X-rays than white/non-Hispanic patients, increasing the likelihood of adverse outcomes, such as intubation or death, according to a new study.
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Dangerous blood clots form in leg arteries of COVID-19 patients
COVID-19 is associated with life-threatening blood clots in the arteries of the legs, according to a new study. Researchers said COVID-19 patients with symptoms of inadequate blood supply to the lower extremities tend to have larger clots and a significantly higher rate of amputation and death than uninfected people with the same condition.
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The Scientist Announces Streamlined Facebook Pages For Improved User Experience
In a continued effort to bring the readers of The Scientist the most engaging social media experience, we have examined our full lineup of Facebook niche pages and found that we could streamline some of our channels to provide clearer and more succinct coverage.
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Daily briefing: How to take the figures in your paper to the next level
Nature, Published online: 17 July 2020; doi:10.1038/d41586-020-02163-1 Journal editors share what makes a great figure. Plus, hackers have been targeting COVID-19 vaccine researchers and how Plan S will open the door to any journal.
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Book Excerpt from COVID-19
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Scientists count all the tiny snails in the Arctic
Shell-bearing microgastropods are snails whose size is less than five millimeters. They represent one of the least studied groups of metazoan living organisms in the oceans. Ivan Nekhaev is a senior research associate at the Department of Applied Ecology at St Petersburg University, and Ekaterina Krol is a doctoral student. They have summarized and analyzed the currently known information on the s
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Released Siamese crocodile found nesting in the wild
A Siamese crocodile that was released into the wild in 2018 has been recorded nesting in Cambodia's Cardamom Mountains. The female crocodile was identified by her tail scute markings as one that had previously been cared for at Phnom Tamao Wildlife Rescue Center and this finding provides evidence that released Siamese crocodiles are not only surviving in the wild, but are also able to nest.
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How well do you know your bumblebees?
A citizen science collaboration, of which the University of Aberdeen is part of, launched a new tool this week to help members of the public learn more about bumblebees.
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Scientists count all the tiny snails in the Arctic
Shell-bearing microgastropods are snails whose size is less than five millimeters. They represent one of the least studied groups of metazoan living organisms in the oceans. Ivan Nekhaev is a senior research associate at the Department of Applied Ecology at St Petersburg University, and Ekaterina Krol is a doctoral student. They have summarized and analyzed the currently known information on the s
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Image: Hubble spies sparkling galaxy
As beautiful as the surrounding space may be, the sparkling galaxy in the foreground of this image from the NASA/ESA Hubble Space Telescope undeniably steals the show.
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Released Siamese crocodile found nesting in the wild
A Siamese crocodile that was released into the wild in 2018 has been recorded nesting in Cambodia's Cardamom Mountains. The female crocodile was identified by her tail scute markings as one that had previously been cared for at Phnom Tamao Wildlife Rescue Center and this finding provides evidence that released Siamese crocodiles are not only surviving in the wild, but are also able to nest.
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Where is water distributed during a drought?
In low precipitation periods, where and how is the limited available water distributed, and what possibilities are there for improving retention in the soil and the landscape? Dörthe Tetzlaff and her team from the Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB) have discovered that vegetation has a major influence on this. The researchers are investigating the storage, distribut
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How well do you know your bumblebees?
A citizen science collaboration, of which the University of Aberdeen is part of, launched a new tool this week to help members of the public learn more about bumblebees.
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New explosive materials to bring nontoxic ammunition
Every time a gun fires, lead leaches into the air. A scientific advancement could provide a comparable replacement for lead-based explosive materials found in ammunition, protecting soldiers and the environment from potential toxic effects.
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Separating gamma-ray bursts
By applying a machine-learning algorithm, scientists at the Niels Bohr Institute, University of Copenhagen, have developed a method to classify all gamma-ray bursts (GRBs), rapid highly energetic explosions in distant galaxies, without needing to find an afterglow—by which GRBs are presently categorized. This breakthrough, initiated by first-year B.Sc. students, may prove key in finally discoverin
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The Anthropocene signature on Mount Elbrus, Caucasus
Researchers of the Institute of Polar Sciences of the Italian National Research Council and of the Ca' Foscari University of Venice analyzed fragrances deriving from personal care products and consumer goods in an ice core from Mt. Elbrus, Caucasus. The concentration profile of such fragrances from the 1930s to 2005 follows the trend of polycyclic aromatic hydrocarbons (PAHs) that originate from c
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Stabilisation of charge density wave phase by interfacial interactions
NUS researchers have demonstrated that the charge density wave (CDW) phase in H-phase tantalum disulfide (TaS2) bilayers can be stabilized at room temperature by interfacial interactions with a hexagonal boron nitride (h-BN) substrate.
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Researchers develop new materials for energy and sensing
A team of researchers from MIT and Northwestern University has demonstrated the ability to fine-tune the electronic properties of hybrid perovskite materials, which have drawn enormous interest as potential next-generation optoelectronic materials for devices such as solar cells and light sources.
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Baleen whales have changed their distribution in the Western North Atlantic
Researchers have been using passive acoustic recordings of whale calls to track their movements. They have found that four of the six baleen whale species found in the western North Atlantic Ocean—humpback, sei, fin and blue whales—have changed their distribution patterns in the past decade. The recordings were made over 10 years by devices moored to the seafloor at nearly 300 locations from the C
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Do Air Filters in HVAC Systems Offer Protection Against Coronavirus Indoors? It Depends
There are air filters that can catch particles laden with SARS-CoV-2. But whether or not the filtration happens depends on other factors.
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Pesticides speed the spread of deadly waterborne pathogens
Widespread use of pesticides can speed the transmission of the debilitating disease schistosomiasis, while also upsetting the ecological balances in aquatic environments that prevent infections, finds a new study led by researchers at the University of California, Berkeley. The infection, which can trigger lifelong liver and kidney damage, affects hundreds of millions of people every year and is s
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Study reveals intricate details about Huntington's disease protein
The research focuses on axonal transport — the way in which vital materials travel along pathways called axons inside nerve cells, or neurons. Scientists found that HTT sometimes journeys along these roadways in cellular vehicles (called vesicles) that also carry freight including a protein called Rab4. The research also identified other materials that may be present in these shipments.
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Uplifting of Columbia River basalts opens window on how region was sculpted
Information drawn from analyses of oxygen and hydrogen isotopes of materials from exposed Columbia River basalts has provided insights about how magma from volcanic eruptions millions of years ago shaped the region and why those eruptions did not trigger a global extinction event.
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Synapse-saving proteins discovered, opening possibilities in Alzheimer's, schizophrenia
Loss of synapses is a contributing factor to Alzheimer's disease and schizophrenia. Researchers from the Long School of Medicine at The University of Texas Health Science Center at San Antonio discovered a class of proteins that inhibit synapse elimination, opening possibilities for novel therapies for the two diseases.
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Baleen whales have changed their distribution in the Western North Atlantic
Researchers have been using passive acoustic recordings of whale calls to track their movements. They have found that four of the six baleen whale species found in the western North Atlantic Ocean—humpback, sei, fin and blue whales—have changed their distribution patterns in the past decade. The recordings were made over 10 years by devices moored to the seafloor at nearly 300 locations from the C
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Research underscores importance of global surveillance of plant pathogens
First spotted in the United States in 2014, bacterial leaf streak of corn is an emerging disease of corn that has now spread to ten states, including the top three corn-producing states of Illinois, Iowa, and Nebraska.
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Research underscores importance of global surveillance of plant pathogens
First spotted in the United States in 2014, bacterial leaf streak of corn is an emerging disease of corn that has now spread to ten states, including the top three corn-producing states of Illinois, Iowa, and Nebraska.
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Will telehealth services become the norm following COVID-19 pandemic?
Experts address whether the routine use of telehealth for patients with cancer could have long-lasting and unforeseen effects on the provision and quality of care.
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Expert: Confederate monument facts defang 'heritage' claims
As Confederate monuments and memorials come down across the United States, it's important to think historically not only about the past but also about our own time and what future generations might say about us, historian James T. Campbell argues. With people across the United States confronting the nation's legacy of slavery and systemic racism , monuments and memorials honoring the Confederacy
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Jamaal Bowman Is Ready to Join the Squad
Eliot Engel first won his seat in Congress in 1988, in a primary that helped end the old corrupt Bronx machine. Today, according to the official call by the Associated Press, he lost his June primary to newcomer Jamaal Bowman, in a race that became a national symbol of the rise of a new wave of progressives. A lot is happening in Engel and Bowman's sliver of the Bronx and Westchester—and a lot is
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Cave's Clues Show It's More Than Just Oldest Outhouse in the Americas
Preserved dung in Oregon's Paisley Caves is helping to fill in some mysteries about some of the earliest people on our continent.
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Opioid deaths surge as pandemic spreads across U.S.
Drug overdose deaths hit a record high in 2019, according to recent data from the Centers for Disease Control and Prevention. The pandemic seems to be worsening the opioid crisis, possibly due to users' reluctance to visit hospitals, mental health problems, and disruptions to drug supply. Still, it's too early to know exactly how the pandemic is transforming drug use in the U.S. Opioid deaths in
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K-State study first to show SARS-CoV-2 is not transmitted by mosquitoes
A new study by Kansas State University researchers is the first to confirm that SARS-CoV-2, which causes COVID-19, cannot be transmitted to people by mosquitoes.
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Researchers create a roadmap to better multivalent batteries
Lithium-ion batteries power everything from mobile phones to laptop computers and electric vehicles, but demand is growing for less expensive and more readily available alternatives. The top candidates all hold promise, but researchers report that steep challenges remain.
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Come to Grips with Photoshop, Lightroom, and More in this 20-Course Bundle
Photo editing is as old as photography itself. In fact, you have an example in your wallet. The portrait of Lincoln on the $5 bill is a fake : Lincoln's head was taken from an original photo and placed on top of the body of the far less famous John C. Calhoun in an engraving. And, as social media and photo editing software have democratized the art of photography, knowing what to edit and why has
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Reduction in commercial flights due to COVID-19 leading to less accurate weather forecasts
Weather forecasts have become less accurate during the COVID-19 pandemic due to the reduction in commercial flights, according to new research. A new study finds the world lost 50 to 75 percent of its aircraft weather observations between March and May of this year, when many flights were grounded due to the pandemic.
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Type 1 interferon deficiency: Biomarker of patients at risk of severe COVID-19
Which patients are more likely to develop a severe form of COVID-19? In a new study, researchers describe a unique and unexpected immunological phenotype in severe and critical patients.
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A concept in psychology is helping AI to better navigate our world
The concept: When we look at a chair, regardless of its shape and color, we know that we can sit on it. When a fish is in water, regardless of its location, it knows that it can swim. This is known as the theory of affordance, a term coined by psychologist James J. Gibson. It states that when intelligent beings look at the world they perceive not simply objects and their relationships but also th
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Covid-19 data is a public good. The US government must start treating it like one.
Earlier this week as a pandemic raged across the United States, residents were cut off from the only publicly available source of aggregated data on the nation's intensive care and hospital bed capacity. When the Trump administration stripped the Centers for Disease Control and Prevention (CDC) of control over coronavirus data , it also took that information away from the public. I run a nonparti
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Where to get reliable COVID-19 data, now that the CDC doesn't have it
Masks are just one tool against the pandemic — another crucial one is data. (Macau Photo Agency/Unsplash/) Follow all of PopSci's COVID-19 coverage here , including tips on cleaning groceries , ways to tell if your symptoms are just allergies , and a tutorial on making your own mask . Under the guise of streamlining data, the Trump administration has moved previously available COVID data on hospi
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Seven tips for better gaming with Google Stadia
Bonus tip: It's probably not the controller's fault. Learn to accept responsibility for your own actions. Too real? That's OK, you'll feel better after you yell at the screen. (Cristiano Pinto/Unsplash/) A new kind of gaming experience is emerging, one where games stream directly to any device you like, Netflix-style. When the cloud does all the heavy lifting, you can play on your phone just as e
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Congressional Democrats Demand White House Restore Hospital Data Collection To CDC
Senators and House members have separately issued letters calling for the Trump administration to undo a controversial move reshuffling vital COVID-19 data collection. (Image credit: J. Scott Applewhite/AP)
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Radiology practices struggle to survive amid COVID-19
Private radiology practices have been especially hard hit by the COVID-19 pandemic, and the steps they take to mitigate the impact of the pandemic on their practice will shape the future of radiology, according to a special report from the Radiological Society of North America (RSNA) COVID-19 Task Force.
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Study shows how traumatic experiences can leave their mark on a person's eyes
New research by Welsh academics shows that a patient's pupils can reveal if they have suffered a traumatic experience in the past. The study examined how an individual's eyes responded when shown threatening images.
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Where Does 'Castlevania' Go From Here?
The Netflix animated series has been pretty solid for three seasons now. But does it have anything left to say?
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How Trump Closed Down the Schools
This article was updated on July 17 at 2:45pm. Few things have captured Donald Trump's fickle attention for long during the pandemic, but for the past 10 days, the president has been highly focused on one issue. He has insisted on the need for America's schools to reopen in August with students in classrooms five days a week, hoping that this might revive the economy, and with it his reelection c
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Vaccine research shouldn't be secret | Letter
Martin Clavane on what reports about Russian hacking reveal about how the world responds to threats such as Covid-19 Reports about Russian hacking into Covid-19 research are very revealing ( Russian state-sponsored hackers target Covid-19 vaccine researchers , 16 July). They raise fundamental questions about how the world should collectively respond to such existential threats to humankind. Why i
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Scientists Discover "Vantablack" Deep-Sea Creatures
A team of marine biologists have discovered 16 new species of terrifying deep-sea fish that reflect almost no light at all, Wired reports — much like the ultra-black material Vantablack . Marine biologist Karen Osborn was astonished when she attempted to take pictures of a fangtooth, a terrifying fanged monster of the deep sea, for cataloguing reasons. The fish appeared to absorb almost all of th
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Remove memories to treat addiction?
Researchers have interrupted a neural pathway responsible for opiate-associated memories in mice. Their success in preventing relapse in rodents may one day translate to an enduring treatment of opioid addiction in people. Research surrounding addiction often assumes reward is the primary motivation for drug use and relapse. But while chasing a "high" can prompt drug use, it's often the acute sym
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Research underscores importance of global surveillance of plant pathogens
First spotted in the United States in 2014, bacterial leaf streak of corn is an emerging disease of corn that has now spread to ten states, including the top three corn-producing states of Illinois, Iowa, and Nebraska.
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Paper: Mundane behavioral decisions, actions can be 'misremembered' as done
Mundane behaviors such as taking a daily medication can eventually create false memories of completing the task, said Dolores Albarracin, a professor of psychology and marketing at Illinois and the director of the Social Action Lab.
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Lifetime discrimination and greater risk of high blood pressure in African Americans
Experiences of discrimination over a lifetime is associated with high blood pressure in African American adults, according to findings published this month in the journal Hypertension from researchers at the Urban Health Collaborative at Drexel University's Dornsife School of Public Health.
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Baleen whales have changed their distribution in the Western North Atlantic
Researchers using passive acoustic recordings of whale calls to track their movements have found that four of the six baleen whale species found in the western North Atlantic Ocean — humpback, sei, fin and blue whales — have changed their distribution patterns in the past decade. The recordings were made over 10 years by devices moored to the seafloor at nearly 300 locations from the Caribbean S
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St Petersburg University scientists count all the tiny snails in the Arctic
St Petersburg University Scientists have summarised all the known information about Arctic snails that have dimensions less than five millimetres. The information gathered will help to learn more about marine ecosystem pollution and climate change.
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Separating gamma-ray bursts: Students make critical breakthrough
By applying a machine-learning algorithm, scientists at the Niels Bohr Institute, University of Copenhagen, have developed a method to classify all gamma-ray bursts (GRBs), rapid highly energetic explosions in distant galaxies, without needing to find an afterglow – by which GRBs are presently categorized. This breakthrough, initiated by first-year B.Sc. students, may prove key in finally discover
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Improved waste separation using super-stable magnetic fluid
Magnetically separating waste particles makes it possible to reclaim a variety of raw materials from waste. Using a magnetic fluid, a waste flow can be separated into multiple segments in a single step. Researchers from Utrecht and Nijmegen have now succeeded in creating a magnetic fluid that remains stable in extremely strong magnetic fields, which makes it possible to separate materials with a h
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Social workers identify dire needs as schools prepare to resume classes
As school districts nationwide grapple with how and when to safely reopen in the midst of the COVID-19 pandemic, a survey of 1,275 social workers across the United States shows the immensity of the challenge ahead.
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Research explores motivations and barriers for learners of te reo Māori
Dr. Te Huia, with Māori language researchers Dr. Mauren Muller and Tai Ahu, conducted interviews with 57 Māori language speakers and learners across 12 regions nationally, as well as conducting an indepth survey during the national kapa haka festival Te Matatini, held in Wellington in February 2019, with the support of the 'Te Mitatini' reo Māori campaign.
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Computational Lego Designer Outperforms Professional Model-Makers
Designing models with Lego Technic parts is much harder than with traditional Lego bricks. Now a computational designer can do the hard work for you.
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Education reform study suggests more charter regulations harm minority educators
Do education regulations sometimes harm those they were intended to help? A recent study by University of Arkansas Education Reform professor Robert Maranto and former doctoral student Ian Kingsbury, now at Johns Hopkins University, says yes.
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Honeybees reveal environmental pollution in their surroundings
Honeybee colonies are bioindicators of environmental contamination in the area, since they get coated in everything that there is in the environment, including pollutants, and they end up taking it all back to their bee hives.
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Breakthrough blood test detects positive COVID-19 result in 20 minutes
Researchers report a new method that detects positive COVID-19 cases using blood samples in about 20 minutes, and identifies whether someone has contracted the virus.
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Kidney transplant, the cost of accounting for patients' preferences
Taking into account patients' preferences can help speed up the organ allocation process and improve the life quality of the recipients, as shown by a joint study conducted by Ca' Foscari University and the University of Padua
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New technology promises to revolutionize nanomedicine
Researchers from the Moscow Institute of Physics and Technology and their colleagues from Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry and Prokhorov General Physics Institute of the Russian Academy of Sciences have developed a breakthrough technology to resolve a key problem that has prevented the introduction of novel drugs into clinical practice for decades. The new solution prolongs
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Female surgeon scientists claim more than their share of research grants
While their ranks in academic surgery may be not be robust, women surgeons are holding their own when it comes to surgical research, securing a greater percentage of NIH grants than their numbers suggest.
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Neural vulnerability in Huntington's disease tied to release of mitochondrial RNA
A uniquely comprehensive survey of gene expression by cell type in humans and mice revealed several deficits affecting the most vulnerable neurons in Huntigton's disease.
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Geologists Say a New Ocean Is Opening up in Africa
Breaking Up In somewhere between five and ten million years, the tectonic plates that form Africa are likely to rip apart so much that it'll eventually split the continent in two. Within Ethiopia's Afar region, the Arabian, Nubian, and Somali tectonic plates are slowly pulling away from each other, NBC News reports , gradually creating a vast rift — slowly forming a new ocean. "We can see that oc
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Climate-friendly cooling could cut years of greenhouse gas emissions and save US$ trillions: UN
Coordinated international action on energy-efficient, climate-friendly cooling could avoid as much as 460 billion tons of greenhouse gas emissions—roughly equal to eight years of global emissions at 2018 levels—over the next four decades, according to the Cooling Emissions and Policy Synthesis Report from the United Nations Environment Programme (UNEP) and the International Energy Agency (IEA).
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Fast and flexible computation of optical diffraction
Diffraction is a classic optical phenomenon accounting for light propagation. The efficient calculation of diffraction is of significant value towards the real-time prediction of light fields. The diffraction of electromagnetic (EM) waves can be cataloged into scalar diffraction and vector diffraction according to the validation of different approximation conditions. Although mathematical expressi
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A chemical tailor-made suit for Alzheimer's drugs
With over 1.2 million people affected in Germany alone and over 50 million people worldwide, Alzheimer's disease, also referred to simply as Alzheimer's, is one of the greatest medical and social challenges of our time. Due to pathological changes in the brain, patients become increasingly forgetful and disoriented as the disease progresses. In the worst cases, even close relatives are no longer r
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The Books Briefing: What to Read If You're Looking for Something to Read
Editor's note: This week's newsletter spotlights some of our favorite Books Briefing reading lists from the past few months. We'll be back with a fresh newsletter next week. Know other book lovers who might like this guide? Forward them this email. What We're Reading (HERITAGE IMAGES / GETTY) Your socially distanced summer-reading list (May 15, 2020) "Books to bring on an airplane . Books to enjo
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New technology speeds up organic data transfer
Researchers are pushing the boundaries of data speed with a brand new type of organic LED.
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A chemical tailor-made suit for Alzheimer's drugs
With over 1.2 million people affected in Germany alone and over 50 million people worldwide, Alzheimer's disease, also referred to simply as Alzheimer's, is one of the greatest medical and social challenges of our time. Due to pathological changes in the brain, patients become increasingly forgetful and disoriented as the disease progresses. In the worst cases, even close relatives are no longer r
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Solar Orbiter returns first data, snaps closest pictures of the Sun
The first images from ESA/NASA's Solar Orbiter are now available to the public, including the closest pictures ever taken of the Sun.
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What Makes Grass-Fed Beef Different, and Are You Buying the Real Thing?
How grass-fed and grain-fed cattle are raised — and the truth behind the meat labeling requirements.
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Democrats Eye Trump's Game Plan to Reverse Late Rule Changes
President Trump pioneered the use of an obscure 1996 law to quickly reverse the regulations of his predecessor. Now Democrats hope to take a page from his game plan.
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Squeezing curium between diamonds yields a surprise
Scientists can manipulate curium, one of the heaviest known elements, to a greater degree than previously thought. A team of researchers has demonstrated how curium—element 96 in the periodic table and one of the last that's visible to the naked eye—responds to high pressure resulting from squeezing a sample between two diamonds. The team finds that the behavior of curium's outer electrons—which
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CVIA has just published a new issue, Volume 4 Issue 4
Beijing, 10 July 2020: the journal Cardiovascular Innovations and Applications (CVIA) has just published a new issue, Volume 4 Issue 4. This issue brings together important research papers from leading cardiologists in US, China, and Africa, including very important new research on identification of Novel TTN Mutations and discovery of digenic mutation.
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Antarctica more widely impacted by humans than previously thought
Using a data set of 2.7 million human activity records, the team showed just how extensive human use of Antarctica has been over the last 200 years
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Turmeric could have antiviral properties
Curcumin, a natural compound found in the spice turmeric, could help eliminate certain viruses, research has found. A study published in the Journal of General Virology showed that curcumin can prevent Transmissible gastroenteritis virus (TGEV) – an alpha-group coronavirus that infects pigs – from infecting cells. At higher doses, the compound was also found to kill virus particles.
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Psychology: The most personal device
Everyone who uses a smartphone unavoidably generates masses of digital data that are accessible to others, and these data provide clues to the user's personality. Psychologists at Ludwig-Maximilians-Universitaet in Munich (LMU) are studying how revealing these clues are.
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Go try the new iPad and iPhone features before they're officially released
iPadOS 14 is in public beta right now. (Apple/) Until recently, you would have had to pay $100 to join the Apple Developer Program in order to get the new iOS 14 beta. I did it a couple weeks ago and have been trying out some of the new features ever since. Now, however, the public beta has hit the internet, which means anyone with a compatible iPhone can jump into the possibly buggy world of iOS
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Love-hate relationship of solvent and water leads to better biomass breakup
Scientists have used neutron scattering and supercomputing to better understand how an organic solvent and water work together to break down plant biomass, creating a pathway to significantly improve the production of renewable biofuels and bioproducts.
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White House Shift in Covid-19 Data Collection Spurs Confusion
On Wednesday, U.S. hospitals began sending daily Covid-19 data reports to a new database in Washington — a process that bypasses the Centers for Disease Control and Prevention, and that has prompted backlash from some public health experts, hospital leaders, journalists, and others who work with the data.
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Pigs turn to humans as dogs do, unless they have a problem to solve
Researchers of the MTA-ELTE 'Lendület' Neuroethology of Communication Research Group at the Department of Ethology at the Faculty of Science, Eötvös Loránd University, Budapest (ELTE) compared human-oriented communicative behaviors of young miniature pigs and dogs kept as companion animals. They found that in a neutral situation pigs turn to humans, initiating interactions as much as dogs do. But
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Predicting the biodiversity of rivers
Biodiversity is severely threatened both in Switzerland and worldwide, and numerous organisms are facing massive declines—particularly in freshwater ecosystems. All the species living in rivers—including fish, bacteria and many different aquatic invertebrates, such as mayflies, stoneflies and caddisflies—are crucial for the functioning of these ecosystems. But many species are under threat due to
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SpaceX Is Launching a Fleet of Pirate-Hunting Satellites
At the end of the year, a fleet of pirate-hunting satellites will take to the sky. A satellite intelligence company called HawkEye 360 says it's booked a ticket on a SpaceX rideshare mission to launch a cluster of three satellites that will sail around the globe, tracking down pirates, poachers, and smugglers. HawkEye 360, unlike the superhero of the same name , doesn't actually dole out justice.
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Pigs turn to humans as dogs do, unless they have a problem to solve
Researchers of the MTA-ELTE 'Lendület' Neuroethology of Communication Research Group at the Department of Ethology at the Faculty of Science, Eötvös Loránd University, Budapest (ELTE) compared human-oriented communicative behaviors of young miniature pigs and dogs kept as companion animals. They found that in a neutral situation pigs turn to humans, initiating interactions as much as dogs do. But
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Orderly arranged bead-chain ternary nanocomposites for supercapacitors
In a paper published in Nano, a group of researchers from Jiangsu University of Technology, China have developed novel Cu2O-Mn3O4-NiO ternary nanocomposites by electrostatic spinning technology, which improved the performance of supercapacitor electrode materials.
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N-doped carbon encapsulated transition metal catalysts to optimize performance of zinc-air batteries
In a report published in Nano, a team of researchers from Sichuan University of Science and Engineering, China have developed N-doped carbon encapsulated transition metal catalysts for oxygen reduction reactions (ORR) and oxygen evolution reactions (OER) to optimize performance of zinc-air batteries.
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Predicting the biodiversity of rivers
Biodiversity is severely threatened both in Switzerland and worldwide, and numerous organisms are facing massive declines—particularly in freshwater ecosystems. All the species living in rivers—including fish, bacteria and many different aquatic invertebrates, such as mayflies, stoneflies and caddisflies—are crucial for the functioning of these ecosystems. But many species are under threat due to
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Invisible Ether Evolved with Time
Originally published in November 1904 — Read more on ScientificAmerican.com
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Fed expands US coronavirus lending scheme to non-profits
Main Street programme will include groups such as hospitals and universities
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When the beach was off-limits to humans, a rare colony of seabirds found a place to nest
When the humans left, the seabirds flocked home.
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Beetle-mounted camera streams insect adventures
Researchers have developed a tiny lightweight video camera that can be carried by a beetle.
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The bilbies 'thriving' after a 100-year absence in New South Wales
The marsupial has bred in the wild in New South Wales for the first time in a century.
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When the beach was off-limits to humans, a rare colony of seabirds found a place to nest
When the humans left, the seabirds flocked home.
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Clear strategies needed to reduce bushmeat hunting
Extensive wildlife trade not only threatens species worldwide but can also lead to the transmission of zoonotic diseases. An international research team led by the Max Planck Institute for Evolutionary Anthropology and the German Centre for Integrative Biodiversity Research shed new light on the motivations why people hunt, trade or consume different species. The research shows that more different
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A chemical tailor-made suit for Alzheimer's drugs
Over 50 million people worldwide are affected by Alzheimer's disease and it is one of the greatest medical and social challenges of our time. Due to pathological changes in the brain, patients become increasingly forgetful and disoriented as the disease progresses. Alzheimer's is still considered incurable today. Researchers at the University of Göttingen and the Fraunhofer Institute for Cell Ther
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New technology speeds up organic data transfer
An international research team, involving Newcastle University experts, developed visible light communication (VLC) setup capable of a data rate of 2.2?Mb/s by employing a new type of organic light-emitting diodes (OLEDs).
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Mysterious mechanism of graphene oxide formation explained
Natural graphite, used as the precursor for graphene oxide production, is a highly ordered crystalline inorganic material, which is believed to be formed by decay of organic matter. It is extremely thermodynamically stable and resistant to be converted to the organic-like metastable graphite oxide
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Where is the water during a drought?
In low precipitation periods – where and how is the limited available water distributed and what possibilities are there for improving retention in the soil and the landscape? Doerthe Tetzlaff and her team from the Leibniz-Institute of Freshwater Ecology and Inland Fisheries discovered that vegetation has a major influence on this. Using the example of the drought-sensitive Demnitzer Muehlenfliess
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New learning algorithm should significantly expand the possible applications of AI
The e-prop learning method developed at Graz University of Technology forms the basis for drastically more energy-efficient hardware implementations of Artificial Intelligence.
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Love-hate relationship of solvent and water leads to better biomass breakup
Scientists have used neutron scattering and supercomputing to better understand how an organic solvent and water work together to break down plant biomass, creating a pathway to significantly improve the production of renewable biofuels and bioproducts.
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Researchers gives robots intelligent sensing abilities to carry out complex tasks
The novel system developed by computer scientists and materials engineers combines an artificial brain system with human-like electronic skin, and vision sensors, to make robots smarter.
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Resurging virus could throw burgeoning economic recovery off its rails
The nascent economic recovery that had started to sprout across the nation as businesses reopened following COVID-19-mandated closures, has been thrown a major curveball as new cases of the virus have surged. According to an analysis released today by the UC Riverside School of Business Center for Economic Forecasting and Development, jobs, income, public revenue, and other indicators are likely t
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Photos may improve understanding of volcanic processes
The shape of volcanoes and their craters provide critical information on their formation and eruptive history. Techniques applied to photographs—photogrammetry—show promise and utility in correlating shape change to volcanic background and eruption activity.
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Researchers realize nanoscale electrometry based on magnetic-field-resistant spin sensors
A team led by Prof. Du Jiangfeng, Prof. Shi Fazhan, and Prof. Wang Ya from University of Science and Technology of China, of the Chinese Academy of Sciences, proposed a robust electrometric method utilizing a continuous dynamic decoupling technique, where the continuous driving fields provide a magnetic-field-resistant dressed frame. The study was published in Physical Review Letters on June 19.
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Pressure suppresses carrier trapping in 2-D halide perovskite
Two-dimensional (2-D) organic-inorganic halide perovskites are emerging materials for photovoltaic and optoelectronic applications due to their unique physical properties and a high degree of tunability. Despite impressive advances, challenges remain, including unsatisfactory performance and a vague understanding of their structure-property relationships. Addressing these challenges requires more
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Cool plan: Study says better aircon can slow global warming
Making air conditioners and fridges more energy efficient and using more climate-friendly refrigerants can significantly slow global warming, according to a U.N.-backed report released Friday.
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Global warming and pollution have similar impact on coral reef fish
An international collaboration has shown for the first time that human-caused stresses of global warming and pollution affect coral reef fish development and survival via the disruption of an endocrine pathway.
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Global warming and pollution have similar impact on coral reef fish
An international collaboration has shown for the first time that human-caused stresses of global warming and pollution affect coral reef fish development and survival via the disruption of an endocrine pathway.
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New insight into the origin of water on the earth
Scientists have found the interstellar organic matter could produce an abundant supply of water by heating, suggesting that organic matter could be the source of terrestrial water.
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A short segment of a prion protein plays a critical role in its susceptibility to cross-species prion transmission
A short segment of an infectious protein known as a prion protein plays a crucial role in determining how susceptible the protein is to interspecies prion transmission, RIKEN researchers have discovered in a yeast study. This finding has important implications for neurodegenerative diseases in humans.
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eDNA technology more effective in monitoring salmon runs
The annual upriver migration of Pacific wild salmon—integral to B.C.'s coastal ecosystem—is an important sustenance source for numerous animal species and a vital economic and cultural lifeline for Indigenous and other communities.
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River plants counter both flooding and drought to protect biodiversity
"Water plants are a nuisance in streams, blocking the flow. You should remove them." This notion has for many years determined how streams were managed to prevent flooding during high rainfall events. Research by NIOZ scientist Loreta Cornacchia, published in the journal Proceedings of the Royal Society B, in cooperation with Utrecht University and British and Belgian partners, shows how vegetatio
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Reduction of bushmeat hunting
Extensive wildlife trade not only threatens species worldwide but can also lead to the transmission of zoonotic diseases. It encompasses hundreds of species with significant differences in their conservation status and associated disease risk. However, current strategies to mitigate the wildlife trade often neglect these differences. An international research team led by the Max Planck Institute f
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The Pentagon Is Quietly Working on a Military Space Station Outpost
Shooting Star The Department of Defense has quietly awarded a contract for the Sierra Nevada Corporation to turn its Shooting Star cargo spacecraft into a small experimental space station, The Drive reports . The defense contractor has been developing the spacecraft since 2016 as a way to resupply the International Space Station under NASA's Commercial Resupply Services program. The craft is 16 f
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Fast and flexible computation of optical diffraction
The efficient calculation of diffraction is of significance for tracing electromagnetic field propagation and predicting the performance of optical systems. Scientists in China present a fast and flexible way to compute scalar and vector diffraction using the Bluestein method. The computation time can be substantially reduced, and the region of interest as well as the sampling numbers can be arbit
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Honeybees reveal environmental pollution in their surroundings
The University of Cordoba is collaborating on a new project by the University of Almeria to test APIStrip, a new tool for sampling environmental pollutants by means of bee colonies
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Researchers realize nanoscale electrometry based on magnetic-field-resistant spin sensor
USTC researchers proposed a robust electrometric method utilizing continuous dynamic decoupling (CDD) technique, where the continuous driving fields provide a magnetic-field-resistant dressed frame.
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Increased psychological well-being after the first wave of the coronavirus pandemic
Expectations for our mental health during and after the corona lockdown were pessimistic, but thus far the situation has not turned out to be quite as bad as feared. Danes, and in particular Danish women, appear to have reacted with reduced psychological well-being as the infection rate and death toll peaked in the beginning of April. But already three weeks later, the general psychological well-b
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Climate-friendly Cooling Could Cut Years of Greenhouse Gas Emissions and Save US$ Trillions: UN
Energy-efficient cooling with climate-friendly refrigerants could avoid up to 460 billion tonnes of greenhouse gas equivalent being added to the atmosphere through 2060 – roughly equal to eight years of global emissions at 2018 levels.To meet all needs by 2050, cooling appliances worldwide would almost quadruple in number from 3.6 billion now to 14 billion, contributing greatly to higher world tem
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New tools to study bioactive lipids
NAEs are bioactive lipid molecules that appear to play roles in energy balance, inflammation, stress responses and addiction. How NAE levels are regulated and their precise contributions to biological processes remain poorly understood.
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A short segment of a prion protein plays a critical role in its susceptibility to cross-species prion transmission
A short segment of an infectious protein known as a prion protein plays a crucial role in determining how susceptible the protein is to interspecies prion transmission, RIKEN researchers have discovered in a yeast study. This finding has important implications for neurodegenerative diseases in humans.
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App will track harmful dust from bauxite mining in Guinea
In western Guinea, near where the Tinguilinta River meets the Atlantic Ocean, a concrete jetty extends about 275 meters into the river's channel. The jetty is equipped with a conveyor belt system, which facilitates the transport of crushed and dried bauxite—the primary ore used in the production of aluminum—from pier-side stockpiles to docked ships for export. Behind the jetty, gaseous and particu
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Climate change could make toxic algal blooms in our oceans more deadly
Late spring and early summer in California bring thousands of marine mammals to the state's beaches, as groups of California sea lions, elephant seals and harbor seals give birth along the shore. Visitors to places such as the Carpinteria Harbor Seal Preserve can observe portly cubs lounging in sand, awaiting the return of their mothers from fishing expeditions in the Pacific Ocean.
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Gentrification no longer an inner-city phenomenon in Aussie cities
The innermost suburbs of Brisbane, Sydney and Melbourne are not seeing a change in gentrification according to new research from The University of Queensland. Instead, the highest levels of urban renewal are occurring within a band located five to 15 kilometers from the cities' central business districts (CBDs).
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The research is clear: White people are not more likely than Black people to be killed by police.
When he was asked this week why Black people are "still dying at the hands of law enforcement" in the U.S., President Donald Trump responded by focusing on white people who had been killed by police.
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Skyrmions created in a centrosymmetric material lacking geometrical frustration
A restriction on the kind of materials that can host nanoscale magnetic whirlpools known as skyrmions has been lifted by experimentalists at RIKEN. This will significantly expand the range of the materials skyrmions can be created in, making them even more attractive for use in low-power data-storage devices.
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New tools to study bioactive lipids
NAEs are bioactive lipid molecules that appear to play roles in energy balance, inflammation, stress responses and addiction. How NAE levels are regulated and their precise contributions to biological processes remain poorly understood.
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New research suggests COVID has drastically reduced most pupils' learning and will exacerbate education inequality
More than one in four primary school pupils and one in six secondary school pupils are spending an hour or less a day home learning during the COVID crisis, a wide-ranging education survey by the University of Sussex has revealed.
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eDNA technology more effective in monitoring salmon runs
The annual upriver migration of Pacific wild salmon—integral to B.C.'s coastal ecosystem—is an important sustenance source for numerous animal species and a vital economic and cultural lifeline for Indigenous and other communities.
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River plants counter both flooding and drought to protect biodiversity
"Water plants are a nuisance in streams, blocking the flow. You should remove them." This notion has for many years determined how streams were managed to prevent flooding during high rainfall events. Research by NIOZ scientist Loreta Cornacchia, published in the journal Proceedings of the Royal Society B, in cooperation with Utrecht University and British and Belgian partners, shows how vegetatio
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Reduction of bushmeat hunting
Extensive wildlife trade not only threatens species worldwide but can also lead to the transmission of zoonotic diseases. It encompasses hundreds of species with significant differences in their conservation status and associated disease risk. However, current strategies to mitigate the wildlife trade often neglect these differences. An international research team led by the Max Planck Institute f
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Video: Solar Orbiter first images revealed
ESA's Solar Orbiter spacecraft has sent back its first images of the sun. At 77 million kilometres from the surface, this is the closest a camera has ever flown to our nearest star. The pictures reveal features on the sun's exterior that have never been seen in detail before.
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Plant-watering stakes to keep your greenery healthy while you're away
Help your plants grow even from a distance. (Brina Blum via Unsplash/) How are you supposed to go on vacation when you have a garden or houseplants to support? Watering stakes are your solution. Made from terracotta, plastic, or glass, these devices will slowly water plants over time. They're also great for forgetful gardeners who are afraid of under-watering plants, and for thirstier plants that
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Ancient peoples in Patagonia who adapted to changing climate offer insights for today
New research has uncovered how an ancient human population adapted effectively to climate change, offering insights that are useful for the environmental challenges of today. The recent study examines the fishing patterns of prehistoric hunter-gatherers in Patagonia, a region at the southern tip of South America. Archaeologists used fish remains to piece together thousands of years of history in t
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These Expertly Designed Sneakers Are Actually Steel Toe Boots In Disguise
When it comes to footwear , there are lots of options that will keep your feet safe. Unfortunately, most of those options are severely lacking in the style department. Of course, style shouldn't be a concern when you're working on a job site where your feet are at risk. But once the workday is done, no one wants to hit the town in a clunky, sweaty pair of steel toe boots. But that's life. You hav
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Measuring drug-induced molecular changes within a cell at sub-wavelength scale
Synchrotron InfraRed Nanospectroscopy has been used for the first time to measure biomolecular changes induced by a drug (amiodarone) within human cells (macrophages) and localized at 100 nanometre scale, i.e. two orders of magnitude smaller than the IR wavelength used as probe. This was achieved at the Multimode InfraRed Imaging and Micro Spectroscopy (MIRIAM) beamline (B22) at Diamond Light Sour
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Regional inequality is not decreasing in low and middle-income countries
Data from the United Nations has shown that inequality in human development between countries has been decreasing at a global level for years. However, new research shows that major differences between regions of individual countries have continued to exist. Together with colleague Iñaki Permanyer, Professor Jeroen Smits has developed a new tool for making a more accurate analysis of wealth differ
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Ancient peoples in Patagonia who adapted to changing climate offer insights for today
New research has uncovered how an ancient human population adapted effectively to climate change, offering insights that are useful for the environmental challenges of today. The recent study examines the fishing patterns of prehistoric hunter-gatherers in Patagonia, a region at the southern tip of South America. Archaeologists used fish remains to piece together thousands of years of history in t
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Has the coronavirus proved a crisis too far for Europe's far-right outsiders?
In recent years, far-right political parties in Europe have capitalised on crises to build their support bases. Many have made it to positions of power as a result of these efforts. The financial crisis of 2008, the refugee crisis that began in 2014 and the ongoing debate around climate change have all provided opportunities to harness growing uncertainty and resentment for political purposes.
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The secret to renewable solar fuels is an off-and-on again relationship
They say it's better to have had something special and lost it than to have never had it at all. Who would have thought that sentiment holds true for metal oxide catalysts? According to scientists at Lawrence Berkeley National Laboratory (Berkeley Lab) and Caltech, copper that was once bound with oxygen is better at converting carbon dioxide into renewable fuels than copper that was never bound to
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Space station motors take prosthetic legs to a new level
A new robotic prosthetic leg prototype offers a more natural gait while also being quieter and more energy efficient than other designs, researchers report. The key is the use of new small and powerful motors, originally designed for a robotic arm on the International Space Station. The streamlined design offers a free-swinging knee and regenerative braking, which charges the battery with energy
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The best bookends for every kind of media
Better organization for your reads. (Radu Marcusu via Unsplash/) Many bookworms know their collection isn't complete without a set of bookends to keep things in place. But bookends' utility doesn't end there. They're a necessity for collectors of all kinds—DVDs, albums, CDs, magazines, cookbooks—making them a great purchase for any room. Here are some of our favorites, in a range of styles and we
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World must pick sides in vaccines battle, says Russian wealth fund chief
Kirill Dmitriev says his country will be among those to develop a vaccine soon
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Fowl play? Poultry researcher has two more papers retracted for "grave mistakes"
The journal Poultry Science has retracted two papers for authorship issues. The first author on both articles was Sajid Umar, of the Arid Agriculture University, in Rawalpindi, Pakistan, who now has lost at least four papers for similar reasons. One article, from 2016, was titled "Synergistic effects of thymoquinone and curcumin on immune response and … Continue reading
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Method may solve mysteries of ancient human ashes in urns
Researchers have become the first ever to test a tracing method on the cremated remains of a large number of ancient humans. The method makes it possible to glean information from the ashes of thousands of buried urns, information that will reveal a bit about who these prehistoric humans were and where they came from. The tracing method has great potential to fill in large gaps in human history.
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Challenging jigsaw puzzles to keep you entertained for hours
You'll be set for days. (Mor THIAM via Unsplash/) Jigsaw puzzles have become increasingly popular as meditative, mindful activities—much like filling in coloring books or baking bread. If your current collection feels too easy, and you're up for a challenge—or if you're looking for a puzzle you can leave out on your coffee table to enjoy over time—look no further than these picks. A vivid teal an
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A rare discovery: We found the sugar glider is actually three species, but one is disappearing fast
Most Australians are familiar with the cute, nectar-loving sugar glider (Petaurus breviceps), a marsupial denizen of forests in eastern and northern Australia.
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Jan van Deursen's bullying: lab members speak out
"There is a clear difference between being a taskmaster and a bully. There just is. Jan was definitely both." – Robin Ricke, former postdoc in van Deursen's Mayo Clinic lab
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How the Brain Builds a Sense of Self From the People Around Us
We are highly sensitive to people around us. As infants, we observe our parents and teachers, and from them we learn how to walk, talk, read—and use smartphones. There seems to be no limit to the complexity of behavior we can acquire from observational learning. But social influence goes deeper than that. We don't just copy the behavior of people around us. We also copy their minds. As we grow ol
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A rare discovery: We found the sugar glider is actually three species, but one is disappearing fast
Most Australians are familiar with the cute, nectar-loving sugar glider (Petaurus breviceps), a marsupial denizen of forests in eastern and northern Australia.
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What if airplanes could repair their own damage?
Airplanes are behemoths of the sky; a commercial airliner is over 6,000 times as heavy as a large Canadian goose. At 500 mph, however, these behemoths are not impervious to impact, even from the seemingly innocuous goose. Such damage can result in a range of issues, from fluctuations in air pressure and altitude.
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Pressure suppresses carrier trapping in 2D halide perovskite
Here, we show a remarkable PL enhancement by 12 folds using pressure to modulate the structure of a recently developed 2D perovskite (HA)2(GA)Pb2I7 (HA = n?hexylammonium, GA = guanidinium). This structure features an extremely large cage previously unattainable, affording us a rare opportunity to understand the structure?property relationship and explore emergent phenomena in halide perovskites.
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New insight into the origin of water on the earth
Scientists have found the interstellar organic matter could produce an abundant supply of water by heating, suggesting that organic matter could be the source of terrestrial water.
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Type 1 interferon deficiency: Biomarker of patients at risk of severe COVID
Which patients are more likely to develop a severe form of Covid-19? This is a key question that needs to be answered to improve the individual management and prognosis of patients. In a study published in Science on July 13, teams from AP-HP, Inserm, Université of Paris, Institut Pasteur and Institut Imagine describe a unique and unexpected immunological phenotype in severe and critical patients.
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River plants counter both flooding and drought to protect biodiversity
'Water plants are a nuisance in streams, blocking the flow. You should remove them'. This notion has for many years determined how streams were managed to prevent flooding during high rainfall events. Research by NIOZ scientist Loreta Cornacchia, published in the journal Proceedings of the Royal Society B, in cooperation with Utrecht University and British and Belgian partners, shows how vegetatio
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Study: Five-year review of all alzheimer's drugs in development shows reason for optimism
Dr. Jeffrey L. Cummings, UNLV research professor and a leading expert on Alzheimer's disease clinical trials, led a five-year review of all Alzheimer's drugs in the development pipeline. Currently, there are 121 unique therapies in 136 clinical trials in the pipeline.The paper, "Alzheimer's disease drug development pipeline: 2020," was published this week in the journal Alzheimer's & Dementia: Tra
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Discovery of new glider species highlights conservation risk
Research by Charles Darwin University has changed what was known about the charismatic nectar-loving sugar glider, finding that they are at more risk than ever, particularly after the recent bushfires devastating south-eastern Australia.
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New technique improves strains of bacteria used to develop medications
Publishing their findings in the journal Nature Chemical Biology, scientists from the University of Surrey and Universidad Nacional Autónoma de México have developed a new computational technique, ReProMin, to identify processes which express non-essential genes in bacterial cells. Identification of these non-essential genes will allow scientists to remove them, saving energy within the cell. This
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Don't abandon plans for high-speed rail in Australia
The Grattan Institute's call to "abandon" plans for any high-speed rail network in Australia fails to look at the wider benefits such a project can bring by way of more productive economies and more sustainable towns and cities.
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Australia wants to build a huge concrete runway in Antarctica. Here's why that's a bad idea
Australia wants to build a 2.7-kilometer concrete runway in Antarctica, the world's biggest natural reserve. The plan, if approved, would have the largest footprint of any project in the continent's history.
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U.S. coronavirus data will now go straight to the White House. Here's what this means for the world
Led by physicians, scientists and epidemiologists, the US Centers for Disease Control and Prevention (CDC) is one of the most reliable sources of knowledge during disease outbreaks. But now, with the world in desperate need of authoritative information, one of the foremost agencies for fighting infectious disease has gone conspicuously silent.
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Antibacterial activewear? The claim is just as absurd as it sounds
Lorna Jane recently launched an "antiviral" line of its activewear, called "LJ Shield," generating significant backlash from medical professionals.
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Online tool shows COVID-19 impact on sales tax
Three Georgia regions experienced double-digit declines in sales tax distributions in the June quarter during the coronavirus pandemic, according to an online interactive data tool created by Georgia State University's Fiscal Research Center (FRC).
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Cancer-causing dust released by earthworks
Tiny, needle-like fibers that can become airborne if bedrock is disturbed during earthworks has the potential to cause asbestos-type disease and should be investigated, scientists say.
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Almost 6,000 Australian veterans experience homelessness each year
A new study into the prevalence of homelessness in ex-serving men and women calls for urgent policy attention and improved service responses.
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Do the TRAPPIST-1 planets have atmospheres?
In February of 2017, the scientific community rejoiced as NASA announced that a nearby star (TRAPPIST-1) had a system of no less than seven rocky planets. Since that time, astronomers have conducted all kinds of follow-up observations and studies in the hopes of learning more about these exoplanets. In particular, they have been attempting to learn if any of the planets located in the stars' habit
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Discovery of new glider species highlights conservation risk
Research by Charles Darwin University has changed what was known about the charismatic nectar-loving sugar glider, finding that they are at more risk than ever, particularly after the recent bushfires devastating south-eastern Australia.
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Q&A: How COVID-19 is impacting politics in the United States
The COVID-19 pandemic is impacting many aspects of our lives, and politics is no exception, especially in a presidential election year. Most in-person campaigning has stalled. Politicians are judged on their responses to the pandemic. Even mask-wearing has become politicized.
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New process turns carbon into cleaner, high-performance diesel biofuel blendstock
A new single-phase catalyst that enables the conversion of renewable and waste carbon into sustainable diesel fuels has been developed through a unique collaboration between the National Renewable Energy Laboratory (NREL) and two U.S. Department of Energy (DOE) consortia, Chemical Catalysis for Bioenergy (ChemCatBio) and the Co-Optimization of Fuels & Engines (Co-Optima) initiative.
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Low-cost, printable 3-D device designed for analysing chemicals from smartphones
Researchers from the University of Alicante (Spain) and the Universidad Nacional del Sur (Argentina) have designed and validated a low-cost 3-D printed device that, connected to a smartphone, makes it possible to conduct chemical analyses. This technology presents a simple solution for on-site testing, in developing countries or remote locations, without the need to step into the laboratory or acc
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New technique improves strains of bacteria used to develop medications
Publishing their findings in the journal Nature Chemical Biology, scientists from the University of Surrey and Universidad Nacional Autónoma de México have developed a new computational technique, ReProMin, to identify processes which express non-essential genes in bacterial cells. Identification of these non-essential genes will allow scientists to remove them, saving energy within the cell. This
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Study confirms hairpin vortices in supersonic turbulence
The turbulence that occurs in the low-pressure region behind a rocket traveling at supersonic speeds is complex and not well understood. In the first experimental study of its kind, researchers at the University of Illinois at Urbana-Champaign helped close the knowledge gap for these flows by proving the existence of hairpin vortices in a supersonic separated flow.
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Reduction in commercial flights due to COVID-19 leading to less accurate weather forecasts
Weather forecasts have become less accurate during the COVID-19 pandemic due to the reduction in commercial flights, according to new research. A new study in AGU's journal Geophysical Research Letters finds the world lost 50-75% of its aircraft weather observations between March and May of this year, when many flights were grounded due to the pandemic.
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The secret to renewable solar fuels is an off-and-on again relationship
Copper that was once bound with oxygen is better at converting CO2 into renewable fuels than copper that was never bound to oxygen, according to Berkeley Lab and Caltech scientists.
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Breakthrough blood test detects positive COVID-19 result in 20 minutes
World-first research by Monash University in Australia has been able to detect positive COVID-19 cases using blood samples in about 20 minutes, and identify whether someone has contracted the virus.
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New evidence for a dynamic metallocofactor during nitrogen gas reduction
A key mystery about the gas comprising most of our atmosphere is closer to being solved following a discovery by University of California, Irvine biologists. Their findings are the first step in understanding the biological mechanism for breaking down nitrogen gas. Besides yielding groundbreaking knowledge, the information holds promise for developing environmentally friendly and cheaper ways to m
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Atomtronic device could probe boundary between quantum, everyday worlds
A new device that relies on flowing clouds of ultracold atoms promises potential tests of the intersection between the weirdness of the quantum world and the familiarity of the macroscopic world we experience every day. The atomtronic Superconducting QUantum Interference Device (SQUID) is also potentially useful for ultrasensitive rotation measurements and as a component in quantum computers.
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Daydreaming at work can be an asset or a flaw
Daydreaming carries significant creative benefits, especially for those who identify with their profession and care about their work, research finds. Daydreaming can be both a liability and a significant asset, depending upon certain attributes of the wanderer, however. It can impair performance if not driven by professional challenges. "Daydreaming can have significant upsides for one's tendency
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Cognitive ability tied to better social distancing
A new study finds that people with lower working memory capacity were less likely to practice social distancing. The study also found working memory was related to how fairly a subject behaved in an ultimatum game. The findings help explain why some people don't social distance and offer new ways to encourage proper distancing. Social distancing is difficult. Few people would contest that fact. D
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Coronavirus is messing with the weather forecast too
Weather forecasts have become less accurate during the COVID-19 pandemic due to the reduction in commercial flights, according to new research.
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N-doped carbon encapsulated transition metal catalysts to optimize performance of zinc-air batteries
In a report published in NANO, a team of researchers from Sichuan University of Science and Engineering, China have developed N-doped carbon encapsulated transition metal catalysts for oxygen reduction reactions (ORR) and oxygen evolution reactions (OER) to optimize performance of zinc-air batteries.
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Orderly arranged bead-chain ternary nanocomposites for supercapacitors
In a paper published in NANO, a group of researchers from Jiangsu University of Technology, China have developed novel Cu 2 O-Mn 3 O 4 -NiO ternary nanocomposites by electrostatic spinning technology, which improved the performance of supercapacitors electrode materials.
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Extreme Arctic waves set to hit new heights
Nature, Published online: 17 July 2020; doi:10.1038/d41586-020-02104-y Waves crashing into Arctic coastlines could grow by as much as three metres if global warming continues unabated.
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Can Comic-Con Work From Home?
The annual confab is going online this year—and there's a chance it will never recover.
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TED's Idea Worth Spreading: Stay Home
Plus: Early accounts from Vancouver, the endless surprises of tech journalism, and a new low for the White House.
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Probing the properties of a 2-D fermi gas
When a new physical system is created or uncovered, researchers generally study it in depth to unveil its distinctive properties and characteristics. For example, they might try to determine how the system reacts when it is disturbed, and in what ways this disturbance typically propagates through it.
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How to Boost Your Immunity
Some simple, practical steps can raise your resistance to viruses — Read more on ScientificAmerican.com
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Even videos of police killings can be traumatic
A majority of college students of color show symptoms of post-traumatic stress disorder after watching social media videos of police killing unarmed Black men, research finds. Seeing such killings shared on social media contributes to anxiety and fear of future police encounters, researchers say. The study in the Journal of Black Studies surveyed 134 college students in the United States, between
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Methane emissions hit record-breaking levels
Global emissions of methane have reached the highest levels on record, research shows. Growth of emissions from coal mining, oil and natural gas production, cattle and sheep ranching, and landfills are primarily driving the increases. Between 2000 and 2017, levels of the potent greenhouse gas barreled up toward pathways that climate models suggest will lead to 3-4 degrees Celsius of warming befor
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Solar Orbiter Gets Closest-Ever Look at the Sun
NASA and the European Space Agency (ESA) got together earlier this year to launch the aptly named Solar Orbiter spacecraft. The mission recently took up its position near the sun, and the agencies have released the first wave of images from this enviable vantage point. Naturally, the pictures are stunning and unprecedented, but they also show some scientifically relevant "campfires" dotting the s
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Review ordered into how Covid-19 deaths are calculated in England
Scientists warn Public Health England data include fatalities of anyone who has tested positive
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The Coming Population Bust
I often discuss the fact that the world's population is set to approach 10 billion people by 2060 or so. Right now we are approaching 8 billion. This is a potentially serious issue, mainly for food security. We are already using most of the arable land on the planet, and will need to produce more food on the same, or hopefully less, land if we are to sustain these populations without devastating
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Dogs may use Earth's magnetic field to take shortcuts
GPS-equipped hunting dogs take a curious north-south jog, which seems to help them get their bearings
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A former Navy disaster specialist wages war against COVID-19 on U.S.-Mexico border
Dennis Amundson invites Science into the intensive care unit he commands to see how his crew battles the new coronavirus
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Remember TV on the Internet Before Netflix? Neither Do We
This week, Recode's Peter Kafka joins us to talk about Netflix's dominance over the entertainment industry and how the streaming landscape continues to change.
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These ultra-black fish camouflage with the darkness of the deep sea
Idiacanthus antrostomus The ultra-black Pacific black dragon ( Idiacanthus antrostomus ), the second-blackest fish studied by the research team. (Karen Osborn, Smithsonian/) When we think of deep ocean creatures adapting to the dark, bioluminescent jellyfish or the glowy lures of an anglerfish come to mind. But other deep sea animals have adapted in the other direction, evolving skin that acts al
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Using neural-network soundscapes to protect natural environments
A team of researchers from Imperial College London, the University of Sydney and Cornel University has found that it is possible to create a soundscape from noises in the natural environment using machine-learning algorithms. In their paper published in Proceedings of the National Academy of Sciences, the group describes how such soundscapes can be used by land managers to protect natural environm
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Using neural-network soundscapes to protect natural environments
A team of researchers from Imperial College London, the University of Sydney and Cornel University has found that it is possible to create a soundscape from noises in the natural environment using machine-learning algorithms. In their paper published in Proceedings of the National Academy of Sciences, the group describes how such soundscapes can be used by land managers to protect natural environm
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Sperm discovery reveals clue to genetic 'immortality'
New insights into an elusive process that protects developing sperm cells from damage in growing embryos, sheds light on how genetic information passes down, uninterrupted, through generations.
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Sperm discovery reveals clue to genetic 'immortality'
New insights into an elusive process that protects developing sperm cells from damage in growing embryos, sheds light on how genetic information passes down, uninterrupted, through generations.
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Air dispersion models for odor assessment
Unpleasant odors are, well, unpleasant. Sometimes, we have to endure the stench but legislation is beginning to recognize that people have a right to not be exposed when they are avoidable. This might apply in the context of the environment local to an industrial plant, water and sewage treatment works, refuse sites and other areas, including the workplace, shopping centers, and places of entertai
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NASA announces new James Webb Space Telescope target launch date
NASA now is targeting Oct. 31, 2021, for the launch of the agency's James Webb Space Telescope from French Guiana, due to impacts from the ongoing coronavirus (COVID-19) pandemic, as well as technical challenges.
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Runaway star might explain black hole's disappearing act
At the center of a far-off galaxy, a black hole is slowly consuming a disk of gas that swirls around it like water circling a drain. As a steady trickle of gas is pulled into the gaping maw, ultrahot particles gather close to the black hole, above and below the disk, generating a brilliant X-ray glow that can be seen 300 million light-years away on Earth. These collections of ultrahot gas, called
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Researchers propose novel high-performance dual-ion batteries with 3-D porous structure
Dual-ion batteries (DIBs) consisting of a graphite anode and cathode have attracted increasing attention due to their advantages of environmental friendliness, excellent cyclic stability and good safety.
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Coronavirus symptoms fall into six different groupings, study finds
Findings could give medics advance warning for hospital care and respiratory support Coronavirus – latest updates See all our coronavirus coverage Symptoms of Covid-19 appear to fall into six different groupings, researchers have revealed in work they say could help to predict whether a patient will end up needing a ventilator or other breathing support. The team say the findings could give healt
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We Need More Black Physicians
COVID-19 is threatening an already scarce but essential health care resource — Read more on ScientificAmerican.com
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Scientists uncover first atomic structure of Epstein-Bar virus nucleocapsid
A team of Chinese scientists, led by Prof. Yu Xuekui from the Shanghai Institute of Materia Medica (SIMM) of the Chinese Academy of Sciences (CAS) and Prof. Zeng Musheng from Sun Yat-sen University, reported the first complete atomic model of Epstein-Bar virus (EBV) nucleocapsid. This study was published online in Cell Research.
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No One Has to Get Their Period Anymore
At the posthumous retrial of Joan of Arc in 1455, two decades after she was burned at the stake as a witch and a heretic, she was declared an innocent martyr. During the trial, a personal valet offered evidence of Joan of Arc's piety and purity during her 19 years on Earth: "She never suffered from the secret illness of women." As far as the people closest to her knew, he claimed, she never got h
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The State Where Protests Have Already Forced Major Police Reform
I n Loveland, Colorado —the nation's self-proclaimed " Sweetheart City ," about an hour's drive north of Denver—a young police officer paused earlier this month as he was arresting a pregnant woman who had outstanding warrants. Should he handcuff her, the officer asked his supervisors, or, under a new Colorado policing law, would that now be considered excessive force? To officers like Rob Pride,
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Scientists uncover first atomic structure of Epstein-Bar virus nucleocapsid
A team of Chinese scientists, led by Prof. Yu Xuekui from the Shanghai Institute of Materia Medica (SIMM) of the Chinese Academy of Sciences (CAS) and Prof. Zeng Musheng from Sun Yat-sen University, reported the first complete atomic model of Epstein-Bar virus (EBV) nucleocapsid. This study was published online in Cell Research.
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Chemical thermometers take temperature to the nanometric scale
The miniaturization of electronic components coupled with their increasing integration density has considerably expanded heat flows, which can lead to overheating. But measuring these nanometric events is difficult because conventional solutions such as infrared thermography do not work below the scale of a micrometer.
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Farvel Boeing 747: British Airways sender »dronningen af himlen« på pension
Nedgangen i flyrejser i kølvandet på COVID-19-pandemien, får nu British Airways til at pensionere hele sin Boeing 747-flåde tre år før tid.
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Replacing lithium with sodium in batteries
An international team of scientists from NUST MISIS, Russian Academy of Science and the Helmholtz-Zentrum Dresden-Rossendorf has found that instead of lithium (Li), sodium (Na) "stacked" in a special way can be used for battery production. Sodium batteries would be significantly cheaper and equivalently or even more capacious than existing lithium batteries. The results of the study are published
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Nyt studie: Avancerede briller lader farveblinde se farver – også uden brillerne på
Farveblinde testpersoner i et mindre forsøg fik forbedret deres evne til at skelne mellem røde eller grønne nuancer ved hjælp af nogle særlige briller – også efter de stoppede med at bruge brillerne.
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This Algorithm Doesn't Replace Doctors—It Makes Them Better
An artificial intelligence system has outperformed physicians when detecting skin lesions. The results are changing how one school trains dermatologists.
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Russia's Latest Hacking Target: Covid-19 Vaccine Projects
Officials in three countries believe a state-linked group is trying to steal intellectual property and information about potential vaccine candidates.
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Colleges Prepare to Test Thousands of Students for Covid-19
As campuses reopen, the logistics of preventing an outbreak are posing thorny questions: Who to test? How often? And will students buy in?
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The US Is Paying Way Too Much for Remdesivir
The inflated price of the anti-Covid drug may not bother hospitals, insurance companies, or even patients. But it's still not justified.
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When power is toxic: Dominance reduces influence in groups
Being the strongest, biggest and most aggressive individual in a group might make you dominant, but it doesn't mean you make all the decisions.
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When power is toxic: Dominance reduces influence in groups
Being the strongest, biggest and most aggressive individual in a group might make you dominant, but it doesn't mean you make all the decisions.
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Laser-Textured Metal Surfaces Kill Bacteria Faster
Zapping copper with lasers enhances its antimicrobial properties — Read more on ScientificAmerican.com
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Boris Johnson encourages cautious return to work in offices
UK prime minister says people can return to work at 'discretion' of their employers
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Laser-Textured Metal Surfaces Kill Bacteria Faster
Zapping copper with lasers enhances its antimicrobial properties — Read more on ScientificAmerican.com
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Children's sleep severely affected by impact of coronavirus, say experts
Warning as anxiety and lack of routine lead to rise in inquiries at clinics Coronavirus – latest updates See all our coronavirus coverage The coronavirus crisis is having a significant impact on children's sleep, with anxiety and lack of routine causing serious disruption, experts and charities have warned. The Millpond sleep clinic, in London, says there has been a 30% rise in sleep inquiries fr
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Boris Johnson unveils plan to return England 'to normality' by Christmas
PM sets out workplace guidelines and gives local authorities powers to close premises and cancel events Coronavirus – latest updates See all our coronavirus coverage Boris Johnson has unveiled his plan for a "more significant return to normality" by Christmas, as he revealed steps to encourage people back to work in England and sweeping measures that will allow ministers to issue stay-at-home ord
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Predictive policing algorithms are racist. They need to be dismantled.
Yeshimabeit Milner was in high school the first time she saw kids she knew getting handcuffed and stuffed into police cars. It was February 29, 2008, and the principal of a nearby school in Miami, with a majority Haitian and African-American population, had put one of his students in a chokehold. The next day several dozen kids staged a peaceful demonstration. It didn't go well. That night, Miami
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Dutch army equipped with vibrating belts for hands-free navigation
Haptic navigation, which uses vibrations to guide the wearer, could be used by people with visual impairments, but the first product to hit the market has been sold to the Royal Netherlands Army
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Coronavirus Live Updates: Officials Sound Alarm After U.S. Daily Record of 75,600 New Cases
The number of deaths in the country is increasing, and more than half the states have enacted mask orders. Brazil surpasses 2 million total cases, and India has hit a million.
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A million mink culled in Netherlands and Spain as coronavirus causes havoc for fur farmers
Agriculture minister says origins of outbreak unclear after seven farm workers – and 87% of the mink – test positive Coronavirus – latest updates See all our coronavirus coverage Spain has ordered the culling of nearly 100,000 mink on a farm and an estimated one million mink have already been culled on Dutch fur farms, as coronavirus wreaks havoc in the European fur farming industry. Joaquin Olon
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Trump's Fix for Restaurants Is Out of Touch With the Crisis
Economic policy ideas embraced by a president typically grow out of an interagency process that includes White House economic advisers and Cabinet secretaries, or committee hearings on the Hill. But one Donald Trump idea apparently came from a celebrity chef whose signature restaurant has a prix fixe menu starting at $158 a person (not including wine, of course). Trump has mentioned at least 10 t
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Global rapport: Markant forskel i tandsundhed og behov for forebyggelse
Forebyggende tandpleje og sundhedsfremmende arbejde afhænger af hvorhenne i verden man er. Ny forskning…
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Painfully awkward: Duplicate anesthesiology study retracted
A study that compared drugs used to reverse the effects of relaxants for surgery has been retracted because the majority of the results were already published. The study, "Comparison of sugammadex and pyridostigmine bromide for reversal of rocuronium-induced neuromuscular blockade in short-term pediatric surgery," appeared in the journal Medicine in February 2020. The work found … Continue reading
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The Song of the Summer Is in Chaos
What does summer sound like this year? I can only speak for myself, and the answer is that summer sounds like a cartoon character singing over a scratched reggaeton CD. " Mequetrefe ," by the Venezuelan experimental musician Arca, has lately been my default get-moving song, though the places I have to get moving to are mostly the couch and the grocery store. The song is a mess of glitchy noise, w
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The Deck Is Not Rigged: Poker and the Limits of AI
Creating an algorithm to win at poker isn't just fun and games — the same code could be applied to military, business, government, and cybersecurity to aid in strategic decision making. But despite tremendous gains in the algorithmic assault on chance, computers haven't yet cracked the code of human nature.
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UK '95% sure' Russian hackers tried to steal coronavirus vaccine research
Minister says Britain and allies confident Russian intelligence was behind cyber-attacks Coronavirus – latest updates See all our coronavirus coverage The UK security minister James Brokenshire has said Britain is "more than 95%" sure that Russian state-sponsored hackers targeted UK, US and Canadian organisations involved in developing a coronavirus vaccine. Brokenshire said the National Cyber Se
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An FGF15/19-TFEB regulatory loop controls hepatic cholesterol and bile acid homeostasis
Nature Communications, Published online: 17 July 2020; doi:10.1038/s41467-020-17363-6 TFEB is a transcriptional regulator of lysosomal biogenesis, activated upon starvation or lysosomal stress. Here the authors report that TFEB regulates hepatic bile acid synthesis downstream of FGF19 signaling.
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AXL confers cell migration and invasion by hijacking a PEAK1-regulated focal adhesion protein network
Nature Communications, Published online: 17 July 2020; doi:10.1038/s41467-020-17415-x AXL receptor tyrosine kinase has a role in metastasis but the mechanism is unclear. In this study, the authors show that AXL activation can control focal adhesion dynamics via PEAK1 and that AXL-mediated PEAK1 phosphorylation is required for metastasis of triple negative breast cancer cells in vivo.
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A solution to the learning dilemma for recurrent networks of spiking neurons
Nature Communications, Published online: 17 July 2020; doi:10.1038/s41467-020-17236-y Bellec et al. present a mathematically founded approximation for gradient descent training of recurrent neural networks without backwards propagation in time. This enables biologically plausible training of spike-based neural network models with working memory and supports on-chip training of neuromorphic hardwa
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