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Age of the oldest known Homo sapiens from eastern Africa
Nature, Published online: 12 January 2022; doi:10.1038/s41586-021-04275-8 Geochemical analyses correlating the stratum that overlies the sediments containing the Omo fossils with material from a volcanic eruption suggest that these fossils (the oldest known modern human fossils in eastern Africa) are over 200,000 years old.
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Covid loses 90% of ability to infect within 20 minutes in air – study
Exclusive: Findings highlight importance of short-range Covid transmission Coronavirus – latest updates See all our coronavirus coverage Coronavirus loses 90% of its ability to infect us within 20 minutes of becoming airborne – with most of the loss occurring within the first five minutes, the world's first simulations of how the virus survives in exhaled air suggest. The findings re-emphasise th
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COVID Hospitalization Numbers Are as Bad as They Look
More Americans are now hospitalized with COVID-19 than at any previous point in the pandemic . The current count—147,062—has doubled since Christmas, and is set to rise even more steeply , all while Omicron takes record numbers of health-care workers off the front lines with breakthrough infections. For hospitals , the math of this surge is simple: Fewer staff and more patients mean worse care. A
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A gene-edited pig's heart has been transplanted into a human for the first time
The news: A pig's heart has been transplanted into a human being for the first time. David Bennett Sr., a man with terminal heart disease, received the genetically modified heart during an eight-hour operation on Friday January 7 at the University of Maryland Medical Center, which issued a statement last night. The operation was a last-ditch effort on behalf of Bennett, 57, who had been deemed in
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Why Making Friends in Midlife Is So Hard
T hirty-seven minutes after sitting down to lunch, Francesca and I hugged goodbye in a strip-mall parking lot. We were both fairly certain, I think, that we would not be seeing each other again. The high-school classmate of a friend's friend's husband, she'd been such a promising friendship prospect: She was a professional violinist and fellow New Yorker who was writing her dissertation on pollen
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Higher olive oil intake associated with lower risk of CVD mortality
Consuming more than 7 grams (>1/2 tablespoon) of olive oil per day is associated with lower risk of cardiovascular disease mortality, cancer mortality, neurodegenerative disease mortality and respiratory disease mortality, according to a new study. The study found that replacing about 10 grams/day of margarine, butter, mayonnaise and dairy fat with the equivalent amount of olive oil is associated
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Toroidal topology of population activity in grid cells
Nature, Published online: 12 January 2022; doi:10.1038/s41586-021-04268-7 Simultaneous recordings from hundreds of grid cells in rats, combined with topological data analysis, show that network activity in grid cells resides on a toroidal manifold that is invariant across environments and brain states.
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We study ocean temperatures. The earth's seas just broke a heat increase record | John Abraham
Last year the oceans absorbed heat equivalent to seven Hiroshima atomic bombs detonating each second, 24 hours a day, 365 days a year I was fortunate to play a small part in a new study, just published in the journal Advances in Atmospheric Sciences, which shows that the Earth broke yet another heat record last year. Twenty-three scientists from around the world teamed up to analyze thousands of
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Roman town's remains found below Northamptonshire field on HS2 route
Findings surpass experts' expectations after buildings, wells, coins and wide road discovered A wealthy Roman trading town, whose inhabitants adorned themselves with jewellery and ate from fine pottery, has been discovered half a metre below the surface of a remote field in Northamptonshire. A 10-metre-wide Roman road, domestic and industrial buildings, more than 300 coins and at least four wells
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My wife had long Covid and killed herself. We must help others who are suffering | Nick Güthe
The medical community must find answers for those suffering from long Covid. They are running out of time and hope My wife, Heidi, took her own life after a 13-month battle with long Covid that started as a mostly asymptomatic coronavirus infection. Long Covid took her from one of the healthiest, most vibrant people I've ever known to a person so debilitated that she could not bear another day on
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Doctors Transplant Gene-Hacked Pig Heart Into Living Human Patient
For the first time ever, a team of US surgeons have transplanted a genetically modified pig heart into a living human — a huge milestone in the endeavor to solve a persistent organ shortage. The patient, 57-year-old David Bennett, is still doing well three days on. "It was either die or do this transplant," Bennett told the BBC . "I know it's a shot in the dark, but it's my last choice." The team
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Parents Alarmed by Children Slicing Off Enemies' Limbs in VR
VR Violence Since the days of "Doom" and "Duke Nukem," parents have worried about bloody video games turning their children violent. Now, they might have to worry about virtual reality gore and dismemberment as well. At least that's the case with some parents who got their kids VR headsets this past Christmas, like Allen Roach, who told CNN that he became concerned when his 11-year-old son Peyton
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Police Fired for Playing "Pokémon Go" Instead of Responding to Robbery
Catch 'Em All We've all been there, Your mom is yelling at you that dinner's ready, but you're right in the middle of a video game that you just can't step away from. Well, two LAPD police officers found themselves in a similar situation in 2017 — but instead of their mom, it was a fellow police officer calling for backup, and instead of dinner it was an active robbery. Louis Lozano and Eric Mitc
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Will Covid-19 become less dangerous as it evolves?
Analysis: experts warn that viral evolution is not a one-way street and a continuing fall in virulence cannot be taken for granted Coronavirus – latest updates See all our coronavirus coverage The pandemic has been awash with slogans, but in recent weeks, two have been repeated with increasing frequency: "Variants will evolve to be milder" and "Covid will become endemic". Yet experts warn that ne
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Is the world's most important glacier on the brink of collapse?
It's been called the most important glacier in the world. The Thwaites glacier in Antarctica is the size of Florida, and contains enough water to raise sea levels by over half a metre. Over the past 30 years it has been melting at an increasing pace, and currently contributes 4% of annual global sea level rise. Ian Sample speaks to marine geophysicist Dr Rob Larter about a new research mission to
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One in seven could still be infectious after five-day Covid isolation
Data casts doubt on case for allowing release from isolation after five days with negative lateral flow test Coronavirus – latest updates See all our coronavirus coverage One in seven people who have tested positive for Covid could still be infectious if released from isolation upon receiving a negative lateral flow result after five days, new data suggests. Across the UK people are now allowed t
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No goggles required: 'Tearless' onions go on sale in UK supermarkets
Waitrose stocks Sunions, developed by decades of cross-breeding less pungent strains of onion Chopping onions is a recurring kitchen nightmare that often reduces home cooks to tears, but red eyes could be a thing of the past as "tearless" onions go on sale in the UK for the first time. Next week Waitrose will start selling Sunions in its stores, a "brown, tearless and sweet" onion variety that is
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Facebook Locks Down Patents for Full-Body VR Tracking
Facebook's iteration of the metaverse may now be set to get a lot less glitchy — and perhaps accumulate even more privacy concerns. As Business Insider reports , Facebook — which is calling itself Meta now — has in recent months been granted a bevy of virtual reality patents, including a system that would track a user's entire body in the metaverse, even while experts worry that the company hasn'
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Should Teen Boys Get Boosted?
Last week in the United States, more than 1 million COVID-19 cases were reported in a single day, schools resorted to virtual instruction , and COVID outbreaks among staff left hospitals struggling to attend to their ever-growing number of COVID patients. Also, the CDC endorsed Pfizer booster shots for teenagers, saying not only that every American 12 and up can get one, but that they should . Th
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Evolution 'Landscapes' Predict What's Next for COVID Virus
In the fall of 2019, the world began one of the largest evolutionary biology experiments in modern history. Somewhere near the city of Wuhan in eastern China, a coronavirus acquired the ability to live inside humans rather than the bats and other mammals that had been its hosts. It adapted further to become efficient at spreading from one person to the next, even before the body's defenses could.
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Kim Kardashian Sued for Promoting "Pump and Dump" Crypto Scam
Keeping Up with the Cryptdashians As more celebrities dip their toes in the cryptocurrency world, some weird things are undoubtedly going to happen. Case in point: now Kim Kardashian is getting sued for a "pump and dump" scam involving a bogus altcoin. The reality TV star was sued, along with boxer Floyd Mayweather and basketball player Paul Pierce, for promoting a crypto that allegedly made its
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Astronomers find most luminous supernova explosion to shine in X-rays
Another member of the new "Cow" class of supernova explosions has been discovered—the brightest one seen in X-rays to date. The new event, dubbed AT2020mrf, is only the fifth found so far belonging to the Cow class of supernovae. The group is named after the first supernova found in this class, AT2018cow, whose randomly generated name just happened to spell the word "cow."
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'Don't plan it, just go!': how to be spontaneous – and grab some unexpected fun
The pandemic has left our best-laid plans in disarray, but we can still have spur-of-the-moment adventures Back in the wild old days, my best buddy and I used to call going out "looking for trouble". We weren't hoping for a punch-up or a little light robbery, but a spontaneous adventure involving music, strangers or just the city at night. All that spur-of-the-moment fun has taken quite a beating
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Här lär sig guldfisken att köra ett fordon
Att fiskar är bra på att simma i vatten vet nog de flesta. Men ett gäng israeliska forskare har lärt upp sex guldfiskar att även kunna köra ett fordon. – Några av fiskarna är jätteduktiga och några är mediokra, säger hjärnforskaren Ronen Segev.
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Symmetries Reveal Clues About the Holographic Universe
We've known about gravity since Newton's apocryphal encounter with the apple, but we're still struggling to make sense of it. While the other three forces of nature are all due to the activity of quantum fields, our best theory of gravity describes it as bent space-time. For decades, physicists have tried to use quantum field theories to describe gravity, but those efforts are incomplete at best.
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Elon Musk Skewered for Wretched Tesla Cowboy Belt Buckle
Giddy-Up The latest cringe Tesla accessory is here, and boy is it a doozy. Launched just in time for Christmas and priced " inexpensively " at $150, the first run of the Tesla Giga Texas belt — yes, that's really the product's name — sold out within a day and is already being resold, at a loss for $100 and under, on sites like StockX . UPDATE: SOLD OUT pic.twitter.com/ZlAb7VMwJA — Sawyer Merritt
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New Katy Perry Music Video Features SpaceX Starships
Starship Cameo Eagle-eyed viewers watching the Monday night premiere of Katy Perry and Alesso's music video for their single "When I'm Gone" might have noticed an interesting cameo: SpaceX's Starship. In the futuristic-themed video , Katy Perry can be seen speaking on a payphone with someone before walking away towards a row of what looks to be Starships — SpaceX's giant prototype spacecraft — wi
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Something's Wrong with Murder Nova's Car | Street Outlaws
Stream Street Outlaws on discovery+ ? https://go.discovery.com/tv-shows/street-outlaws #StreetOutlaws #StreetRacing #Discovery Subscribe to Discovery: http://bit.ly/SubscribeDiscovery Follow Us on TikTok: https://www.tiktok.com/@Discovery We're on Instagram! https://instagram.com/Discovery Join Us on Facebook: https://www.facebook.com/Discovery Follow Us on Twitter: https://twitter.com/Discovery
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Black hole devours a star decades ago, goes unnoticed until now
Every galaxy, including our own Milky Way, has at its center a massive black hole whose gravity influences the stars around it. Generally, the stars orbit around the black hole without incident, but sometimes a star will wander a little too close, and the black hole will "make a meal" of the star in a process astrophysicists have termed spaghettification.
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Because of the naive 'Covid zero' message many Australians can't come to terms with catching Covid | Sarah Simons
It is a hard psychological U-turn and we are seeing the mental distress in the emergency department Follow the Australia live news blog Get our free news app ; get our morning email briefing Over the past few weeks, holiday festivities have prised open the Covid floodgates. The Christmas season brought parties, festivals, family reunions with enthusiastic hugs, dinners, dancing and energetic kara
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Hacker Claims to Have Seized Control of Teslas Around the World
Assuming Control A teen hacker named David Colombo claims to have uncovered a software vulnerability that allowed him to take control of numerous Tesla vehicles around the world. The researcher tweeted earlier this week that he gained "full remote control of over 20 Teslas in ten countries and there seems to be no way to find the owners and report it to them." Tesla neither confirmed nor denied t
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Enter the Nightmarish World of Joel Coen's Macbeth
Why would Joel Coen want to film an adaptation of Macbeth ? The director's body of work, which until now had always involved collaboration with his brother, Ethan, is mostly confined to stories set in America in the 19th or 20th century—crime thrillers, black comedies, Westerns, careful studies of characters balanced on some kind of mental precipice. Indeed, even Joel Coen has admitted that he co
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Johnson faces crunch PMQs as pressure mounts over No 10 party
Tory backbencher says PM's position untenable if he attended 'bring your own booze' garden party Today's politics news – live updates Boris Johnson faces a make-or-break session of prime minister's questions on Wednesday, with furious Conservative MPs awaiting his explanation of the "bring your own booze" garden party in May 2020. Labour's deputy leader, Angela Rayner, said: "He has an opportunit
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How to realistically decarbonize the oil and gas industry | Bjørn Otto Sverdrup
Bjørn Otto Sverdrup leads the Oil and Gas Climate Initiative (OGCI), which gathers the CEOs of twelve of the world's largest oil and gas companies around an ambitious goal: to get one of the sectors contributing most to climate change to drastically lower their own carbon emissions. He describes a possible path for the industry to pivot to net-zero operations, reimagining the role it could play in
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China Building "Artificial Moon" Facility That Simulates Low Gravity With Magnets
Lunar Bounce House The US isn't the only country that wants to go back to the Moon. China is also planning future lunar missions to compete with NASA efforts — and it's even reportedly working on an "artificial Moon" to prepare for it. Chinese researchers are developing a facility that can simulate the gravity of the lunar surface, the South China Morning Post reports . The artificial Moon will b
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The Atlantic Daily: You Should Still Try to Avoid COVID Right Now
Subscribe to get this newsletter delivered to your inbox. The Atlantic Omicron is everywhere, and people are tired . Nearly two years into this pandemic, the seemingly more transmissible and milder coronavirus variant is tempting some to throw in the towel on avoiding infection. Should you just accept that you're going to get sick this winter? No, my colleague Sarah Zhang argues. Though you will
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It's Not Just Manchin
Every week, our lead climate reporter brings you the big ideas, expert analysis, and vital guidance that will help you flourish on a changing planet. Sign up to get T he Weekly Planet , our guide to living through climate change, in your inbox . There is only one climate-change story that really matters in the United States right now. It is that, nearly a year after President Joe Biden took offic
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I'm leading a long Covid trial – it's clear Britain has underestimated its impact | Amitava Banerjee
Scientists and politicians have focused on the short-term impact of the virus – but we can no longer leave chronic patients to struggle Despite apprehension about high Covid-19 rates, my family Christmas in Yorkshire was wonderful. Unfortunately, the week after was marred by headache, fever and malaise. And a PCR test confirmed the worst – I had Covid-19 for the second time. My second encounter h
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Black hole in the center of the Milky Way unpredictable in the long term
The black hole at the center of the galaxy not only flares irregularly from day to day, but also in the long term. This was revealed by an analysis of 15 years of data by an international team of researchers led by Alexis Andres from El Salvador. Andres started his research in 2019 as a summer student at the University of Amsterdam (the Netherlands) and dug into it in the years that followed. The
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Elon Musk Conveniently Forgets to Mention He Didn't Write a Famous TS Eliot Poem
Hollow Man Tesla CEO Elon Musk might want to add "valor stealer" to his long list of accolades. For at least a year, the world's richest man has been repeatedly paraphrasing the great — albeit doomer-esque — author TS Eliot, whose famous poem "The Hollow Men" ends with the iconic line: "This is the way the world ends. Not with a bang but a whimper." The billionaire CEO has yet to own up to the fa
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Semiconductor demonstrates elusive quantum physics model
With a little twist and the turn of a voltage knob, Cornell researchers have shown that a single material system can toggle between two of the wildest states in condensed matter physics: The quantum anomalous Hall insulator and the two-dimensional topological insulator.
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Hidden order in windswept sand
An interdisciplinary team including researchers from Leipzig University has analyzed an extensive collection of sand samples from so-called megaripple fields around the world and gained new insights into the composition of these sand waves. These could help settle debates about the mechanistic origin of some recently discovered enigmatic extraterrestrial sand structures and improve our ability to
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In-fridge controller could scale up quantum computers
A collaboration between computer scientists and physicists at the University of Chicago broke through one of the key obstacles for large-scale quantum computing by figuring out how to move their control signals "inside the fridge."
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Persistent radio source QRS121102 investigated in detail
Astronomers from the California Institute of Technology (Caltech) have investigated a persistent radio source known as QRS121102 that is associated with the fast radio burst FRB 121102. Results of the study, published January 4 on arXiv.org, shed more light on the origin of this source and could help us better understand the nature of fast radio bursts.
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Tesla FSD Appears to Ask Drivers Whether It Should Break the Law
When you roll up to a stop sign in a car, what do you do? Do you come to a complete stop, or do you slow down to a crawl before picking up speed again? Spoiler alert: the latter, known as a "rolling stop" or a "California roll," is illegal in most places . Tesla is seemingly leaving the decision up to its drivers when it comes to its infamous self-driving software suite misleadingly called "Full
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Why pig-to-human heart transplant is for now only a last resort
Analysis: As doctors monitor world's first human recipient of pig heart, safety and ethical concerns remain The world's first transplant of a genetically altered pig heart into an ailing human is a landmark for medical science , but the operation, and the approach more broadly, raise substantial safety and ethical concerns. Surgeons at the University of Maryland Medical Center spent eight hours o
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Newly discovered type of 'strange metal' could lead to deep insights
Scientists understand quite well how temperature affects electrical conductance in most everyday metals like copper or silver. But in recent years, researchers have turned their attention to a class of materials that do not seem to follow the traditional electrical rules. Understanding these so-called "strange metals" could provide fundamental insights into the quantum world, and potentially help
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California's 'climate whiplash' has been worsening for 50 years and will continue
It may seem as if California is always either flooding or on fire. This climatic whiplash is not imagined: New University of Arizona research, published in the International Journal of Climatology, shows that while dry events are not getting drier, extreme wet events have been steadily increasing in magnitude since the middle of the last century. These increased extreme wet events can result in mo
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Breakthrough Shot of Engineered Immune Cells Helps Heal Heart Damage
It's now possible to transform immune cells directly into "super soldiers" inside the body. I'm talking about CAR-T , the immunotherapy that revolutionized blood cancer treatment. Here, a person's immune T cells are removed from the body, genetically enhanced to better target cancer cells, and infused back into the body. By hijacking and amping up the body's own immune response, CAR-T therapy can
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The UK's vague messaging on the Covid vaccine and pregnancy was a mistake | Viki Male
The government's campaign promoting boosters to those who are pregnant is vital, but it should have been done months ago Viki Male is a lecturer in reproductive immunology at Imperial College London When you're pregnant, it's understandable that you might feel cautious. After all, you're told to avoid all sorts of things – soft cheeses, alcohol, certain medications – because they could be bad for
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E.T.s may be headed toward Earth, but are we ready for them?
Twenty years from now we might get a call from aliens. In 2017, a powerful radio transmission was aimed at exoplanet GJ 273b, thought to be able to support life. Its message, sent by the alien-hunting group Messaging Extraterrestrial Intelligence International, contained instructions on how to understand Earthling math, music and time. If it lands on intelligent alien ears once it arrives in about
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Gemini South telescope captures image of Chamaeleon Infrared Nebula
The Chamaeleon Infrared Nebula is an outflow of gas that resides in the larger Chamaeleon I dark cloud (one of the closest star-forming regions of the Milky Way), and adjacent to the Chamaeleon II and Chamaeleon III dark clouds. These three dark clouds—a type of nebula so dense that it obscures light—are known collectively as the Chamaeleon Complex, a large area of star formation.
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Simulated image shows how NASA's Roman could expand on Hubble's deepest view
,A team of astrophysicists has created a simulated image that shows how the Nancy Grace Roman Space Telescope could conduct a mega-exposure similar to but far larger than Hubble's celebrated Ultra Deep Field Image. This Hubble observation transformed our view of the early universe, revealing galaxies that formed just a few hundred million years after the big bang.
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Mix of beer-like drink with psychotropics suggests Wari elites used drugs for political advantage
A team of researchers from Dickinson College, the Royal Ontario Museum and the University of Rochester, has found evidence of pre-Columbian Andes elites using drugged beverages to promote political advantage. In their paper published in the journal Antiquity, the group describes finding evidence of a beer-like beverage laced with a psychotropic drug and given to commoners by an elite group in thei
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How triclosan, found in many consumer products, is triggered to harm the gut
Increasingly, research links triclosan, an antimicrobial found in thousands of consumer products, with the gut microbiome and gut inflammation. A new study looks at the potential for combating damage to the intestine. The findings suggest new approaches for improving the diagnosis, prevention and treatment of inflammatory bowel disease.
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Tracking Cougars to Figure Out Where to Build a Bridge
Highways that cut through wild areas present a daunting barrier for local wildlife. In Washington State, the Olympic Cougar Project—a partnership between a coalition of Native American tribes and the Washington State Department of Transportation—is studying the movements of cougars as they wander through parts of the Olympic Peninsula. Information gathered by the group could lead to the placement
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Researchers switch off gene to switch on ultraviolet in butterfly wings
A team of researchers at the George Washington University has identified a gene that determines whether ultraviolet iridescence shows up in the wings of butterflies. In a study published in Proceedings of the National Academy of Sciences, the team showed that removing the gene in butterflies whose wings lack UV coloration leads to bright patches of UV iridescence in their wings. According to the r
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A Grand Unified Theory of Buying Stuff
So you've acquired a new thing. And now you want accessories. Ask yourself: Will the potential experience be worth the cost to the supply chain?
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The Atlantic Daily: America's Approach to School Closures Is Unusual
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. Omicron is leading to school closures and reigniting familiar debates around the safety of in-person learning. In Chicago, public schools remain closed amid a dispute with the teachers' union over
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Wellcome Trust to spend £16bn on research with focus on Covid vaccines
Britain's biggest charity unveils spending plan over next decade after record return on investments Coronavirus – latest updates See all our coronavirus coverage The Wellcome Trust, Britain's biggest charity, is ramping up spending on science research to £16bn over the next 10 years, with a focus on funding next-generation Covid vaccines, after it reaped the highest investment returns in a quarte
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Understanding how autoactivation triggers cell death
Apoptosis is a process that causes cell death. It can go awry in cancer cells, sustaining the disease. Scientists at St. Jude Children's Research Hospital have captured the structure of BAK, a protein that triggers apoptosis. They have shown how BAK autoactivates, essentially turning itself on. Understanding how apoptosis is triggered can lead to drugs that kill cancer cells. The findings were pub
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Investigating benthic marine redox conditions from late Permian to earliest Triassic
Researchers from the Nanjing Institute of Geology and Palaeontology of the Chinese Academy of Sciences (NGIPAS), China University of Mining and Technology and Nanjing University revealed benthic marine redox conditions and driving mechanisms from Late Permian to the earliest Triassic at Shangsi, South China through high-resolution sedimentological and ichnological studies.
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Breastfeeding reduces mothers' cardiovascular disease risk
Women who breastfed at some time in their lives were less likely to develop heart disease or stroke, compared to women who did not breastfeed, according to a meta-analysis of previous studies. Breastfeeding was also associated with a lower risk of dying from cardiovascular disease for the women. Previous research has also noted that the maternal health benefits of breastfeeding are associated with
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Welcome to Purgatory. The Weeknd Will Be Your DJ.
What was so spooky about the 1980s? Maybe Freddy Krueger, Thriller , and goth eyeliner just reflected Cold War anxieties and suburban dread. Or maybe technological progress in the entertainment industry better explains the decade's Halloween-party aesthetics. After all, without certain synthesizers and drum machines, you don't get the sinister arpeggios of John Carpenter soundtracks or the tellta
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Artificially altered material could accelerate neuromorphic device development
Neuromorphic devices—which emulate the decision-making processes of the human brain—show great promise for solving pressing scientific problems, but building physical systems to realize this potential presents researchers with a significant challenge. An international team has gained additional insights into a material compound called vanadium oxide, or VO2, that might be the missing ingredient ne
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The Blu Room
Blu Rooms are an expensive way to relax. The testimonials and the medical history of the inventor are not believable. No science, but good for a laugh. The post first appeared on Science-Based Medicine .
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Fungi found to regulate host gene expression of a plant through the use of miRNAs
A team of researchers from Australia, the U.S. and France reports evidence of a fungus regulating host gene expression of a plant using miRNA. In their paper published in Proceedings of the National Academy of Sciences, the group describes using sRNA sequencing of data and in situ miRNA detection to learn more about the symbiotic relationship between the root fungus Pisolithus microcarpus and euca
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Under a moon spell: Shark attacks related to lunar phases
New research from LSU and the University of Florida suggests that more shark attacks occur during fuller phases of the moon. While the exact cause remains unclear, the researchers found that more shark attacks than average occur during periods of higher lunar illumination and fewer attacks than average occur during periods of lower illumination. Many different types of animals show behaviors that
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Examining electron transport shuttles in microorganisms
Every living thing requires energy. This is also true of microorganisms. Energy is frequently generated in the cells by respiration, that is, by the combustion of organic compounds—in other words, food. During this process, electrons are released, which the microorganisms then need to get rid of. In the absence of oxygen, microorganisms can use other methods to do so, including transporting the el
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Cheops reveals a rugby-ball-shaped exoplanet
ESA's exoplanet mission Cheops has revealed that an exoplanet orbiting its host star within a day has a deformed shape more like that of a rugby ball than a sphere. This is the first time that the deformation of an exoplanet has been detected, offering new insights into the internal structure of these star-hugging planets.
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Legal abortion at state level cut non-white maternal deaths
State-level legalization of abortion produced a 30-40% decline in non-white maternal mortality, health records from the 1960s and 1970s indicate. The state-level changes had little impact on overall or white maternal mortality, according to the working paper . The research team shared their findings at the winter meeting of the National Bureau of Economic Research. Maternal mortality declined a h
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Scientific Integrity Task Force releases "Protecting the Integrity of Government Science" report
A team of 50 experts from across 29 governmental agencies has released a report created to respond to President Joe Biden's call for more integrity in government science agencies. The report, called "Protecting the Integrity of Government Science," was released on January 11. Biden administration officials Alondra Nelson and Jane Lubchenco, who spearheaded the effort, have published an Editorial p
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Permafrost researchers analyze the drivers of rapidly changing Arctic coasts
Arctic coasts are characterized by sea ice, permafrost and ground ice. This makes them particularly vulnerable to the effects of climate change, which is already accelerating rapid coastal erosion. The increasing warming is affecting coast stability, sediments, carbon storage, and nutrient mobilization. Understanding the correlation of these changes is essential to improve forecasts and adaptation
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Mutation bias reflects natural selection in Arabidopsis thaliana
Nature, Published online: 12 January 2022; doi:10.1038/s41586-021-04269-6 Data on de novo mutations in Arabidopsis thaliana reveal that mutations do not occur randomly; instead, epigenome-associated mutation bias reduces the occurrence of deleterious mutations.
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A step closer to understanding the 'cold spot' in the cosmic microwave background
After the Big Bang, the universe, glowing brightly, was opaque and so hot that atoms could not form. Eventually cooling down to about minus 454 degrees Fahrenheit (-270 degrees Celsius), much of the energy from the Big Bang took the form of light. This afterglow, known as the cosmic microwave background, can now be seen with telescopes at microwave frequencies invisible to human eyes. It has tiny
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Top 10 books about amnesia | Alafair Burke
Writers from Julian Barnes to Oliver Sacks and Petina Gappah find some profound truths in what gets lost to memory I have always been fascinated by the human memory – its capacity, its acuity, its connections to emotions and our basic senses. Somehow the blob of gray gunk in my skull manages to recall everything from the statute of frauds I memorised in law school to the lyrics of pretty much any
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Engineered particles efficiently deliver gene editing proteins to cells in mice
Gene editing approaches promise to treat a range of diseases, but delivering editing agents to cells in animal models and humans safely and efficiently has proven challenging. Now, researchers led by a team at the Broad Institute of MIT and Harvard have developed a way to get gene editing proteins inside cells in animal models with high enough efficiency to show therapeutic benefit.
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Photon pairs are more sensitive to rotations than single photons
Quantum states of light have enabled novel optical sensing schemes, e.g., for measuring distance or position, with precisions impossible to achieve with classical light sources such as lasers. The field of quantum metrology has now been pushed even further as a team of researchers showed that photons that are engineered to be entangled in complex spatial structures have, due to quantum phenomena,
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Lymphoma: Key signaling pathway involved in tumor formation identified
There are myriad reasons why cancers develop. By studying genes which are altered in people with lymphoma, a multidisciplinary team of researchers has identified a key mechanism involved in disease development. This signaling pathway, which the researchers describe in detail, controls the repair of DNA damage.
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Alzheimer's: Inflammatory markers are conspicuous at an early stage
Long before the onset of dementia, there is evidence for increased activity of the brain's immune system. Researchers from DZNE and the University Hospital Bonn (UKB) come to this conclusion based on a study of more than 1,000 older adults. To this end, various proteins were measured in the cerebrospinal fluid: They served as so-called biomarkers that indicate inflammatory processes of the nervous
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Having kids at home may ease adults' COVID depression
Attending school on Zoom and quarantining from family and friends has children struggling through the COVID-19 pandemic, but, surprisingly, having kids at home may help adults feel less distressed, researchers report. Adults in households with children have fewer mental health problems than other adults living without kids, a new study shows. Child care—beyond the effect of larger household size—
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Heavy Rainfall Causes Severe Flooding in Brazil
Heavy rain over the past two months across several Brazilian states has caused flooding that has affected dozens of cities and left thousands homeless. In just the past two weeks, landslides and floods in the state of Minas Gerais reportedly killed at least 12 people. Authorities have issued a number of alerts as they continue to monitor any dams that might burst. Below, recent images of the floo
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The Subversive Genius of Extremely Slow Email
Every day, the mail still comes. My postal carrier drives her proud van onto the street and then climbs each stoop by foot. The service remains essential, but not as a communications channel. I receive ads and bills, mostly, and the occasional newspaper clipping from my mom. For talking to people, I use email and text and social networking. The mail is a ritual but also a relic. That relic is als
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A Guide to 2022's Most Promising TV
Here we go again: Award shows are being postponed, film festivals are canceling in-person events, and movie studios are reconsidering their release plans—at least for any films without web-slinging superheroes involved. But even as the coronavirus continues to threaten the entertainment industry, television is thriving. Many of the projects delayed by the pandemic have wrapped and are finally lau
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Rubber material holds key to long-lasting, safer EV batteries
For electric vehicles (EVs) to become mainstream, they need cost-effective, safer, longer-lasting batteries that won't explode during use or harm the environment. Researchers may have found a promising alternative to conventional lithium-ion batteries made from a common material: rubber.
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Why we feel confident about decisions we make
A team of researchers has shown for the first time that decisions feel right to us if we have compared the options as attentively as possible — and if we are conscious of having done so. This requires a capacity for introspection.
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Novel therapeutic target in multiple myeloma
Multiple myeloma is a cancer of the bone marrow, with a life expectancy of less than 5 years post-diagnosis. Proteasome inhibitors, the therapeutic backbone of current treatments, are very effective in treating newly diagnosed cancers but resistance or intolerance to these molecules inevitably develop, leading to relapses. While studying a neglected tropical disease , Buruli ulcer, researchers dis
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New study reveals how the lung's immune cells develop after birth
From our first breath, our lungs are exposed to microorganisms, such as bacteria and viruses. Thanks to immune cells in the lungs, so-called macrophages, we are protected from most infections at an early age. Researchers now show how lung macrophages develop; new findings that can help to reduce organ damage and that are significant for the continued development of important lung disease treatment
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Scientists Transplant Genetically Modified Pig Heart Into a Human
(Photo: University of Maryland) For the first time, scientists have successfully transplanted a pig heart into a human patient. David Bennett, a 57-year-old patient with terminal heart disease, received the transplant at the University of Maryland School of Medicine last week. Bennett was considered too ill to be placed on the waiting list for a human heart. Given the urgency of his case, Bennett
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Rainy days harm the economy
Economic growth goes down when the number of wet days and days with extreme rainfall go up, a team of scientists finds. Rich countries are most severely affected and herein the manufacturing and service sectors, according to their study. The data analysis of more than 1.500 regions over the past 40 years shows a clear connection and suggests that intensified daily rainfall driven by climate-change
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Watch a Jet Suit Pilot Deliver Supplies in a Mountain Warfare Rescue
In 2020 a jet suit pilot flew up a mountain to test whether it would make sense for emergency responders in wilderness areas to add jet suits to their toolkit. Last year the same suit was used by the British Royal Marines to board a ship in a staged "visit, board, search, and seizure" (military speak for getting on a ship whose captain or crew don't want you there, like trying to capture an enemy
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Streamline Your Systems with the Best HDMI Cables
Remember that tangled web of cords that used to connect device audio and video to displays? Fortunately, the HDMI cables got rid of the the clutter and are now an essential piece of equipment, whether your setup is basic or rivals a professional theater. Most HDMI cables can work with computers, televisions, game systems, Blu-ray players, and other devices. However, you'll need a cable with the r
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Rugby ball-shaped exoplanet discovered
With the help of the CHEOPS space telescope, an international team was able to detect the deformation of an exoplanet for the first time. Due to strong tidal forces, the appearance of the planet WASP-103b resembles a rugby ball rather than a sphere.
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Webb Space Telescope makes history after tense launch
Nature, Published online: 12 January 2022; doi:10.1038/d41586-022-00088-5 We highlight some recent stories from the Nature Briefing, including the latest on the James Webb Space Telescope, an ichthyosaur fossil find, and more.
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Signatures of a strange metal in a bosonic system
Nature, Published online: 12 January 2022; doi:10.1038/s41586-021-04239-y Strange metallicity—in particular, resistance that is linear in temperature and magnetic field—is observed in a nanopatterned YBa2Cu3O7-d bosonic system.
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The effect of rainfall changes on economic production
Nature, Published online: 12 January 2022; doi:10.1038/s41586-021-04283-8 A global assessment shows that increases in the number of wet days and extreme daily rainfall adversely affect economic growth, particularly in high-income nations and via the services and manufacturing sectors.
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Extreme rainfall slows the global economy
Nature, Published online: 12 January 2022; doi:10.1038/d41586-021-03783-x Excessive rainfall can cause catastrophic socio-economic losses to a community or nation. An analysis of changes in gross regional product identifies ways in which extreme precipitation affects global economic productivity.
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Important genomic regions mutate less often than do other regions
Nature, Published online: 12 January 2022; doi:10.1038/d41586-022-00017-6 Genomic regions that are crucial for the viability and reproduction of the model plant Arabidopsis thaliana are enriched with molecular features that are associated with a reduced rate of mutation.
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A strange metal emerges from a failed superconductor
Nature, Published online: 12 January 2022; doi:10.1038/d41586-021-03831-6 The curious electrical resistance that gives strange metals their name has been seen in a failed superconductor, in which disorder interferes with the material's ability to achieve zero resistance below a critical temperature.
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An ecological tradeoff? Utility-scale solar energy impedes endangered Florida panthers
Florida, the "Sunshine State," is rapidly increasing installation of utility-scale solar energy (USSE) facilities to combat carbon emissions and climate change. However, the expansion of renewable energy may come with environmental tradeoffs. Reducing the energy industry's carbon footprint is impeding a large carnivore's paw-print.
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How comic strips create better health care | Sam Hester
Comics creator Sam Hester is part of a growing movement within health care: graphic medicine. In short, literally drawing attention to a patient's needs and goals with pictures to foster better and more accessible caretaking. Hester shares how illustrating small details of her mother's medical story as she struggled with mysterious symptoms alongside her Parkinson's and dementia led to more empath
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Rainy days harm the economy: study
Economic growth goes down when the number of wet days and days with extreme rainfall go up, a team of Potsdam scientists finds. Rich countries are most severely affected and herein the manufacturing and service sectors, according to their study now published as cover story in the renowned science journal Nature. The data analysis of more than 1,500 regions over the past 40 years shows a clear conn
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Chemical commonly found in consumer products may disrupt a hormone needed for healthy pregnancy
Exposure to phthalates — a group of chemicals found in everything from plastics to personal care products to electronics — may disrupt an important hormone needed to sustain a healthy pregnancy, according to a new study. The study has examined the impact that phthalates, added to plastics to increase flexibility, have on the placental corticotropin releasing hormone (pCRH) that is produced by th
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Learning through 'guided' play can be as effective as adult-led instruction up to at least age eight
Teaching younger children through 'guided' play supports key aspects of their learning and development at least as well – and sometimes better – than the traditional direct instruction they usually receive at school, a new analysis finds. Guided play broadly refers to playful educational activities which, although gently steered by an adult using open-ended questions and prompts, give children the
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New findings may contribute to better diagnosis and treatment of liver cancer
In a new study, researchers have identified the presence of a specific connection between a protein and an lncRNA molecule in liver cancer. By increasing the presence of the lncRNA molecule, the fat depots of the tumor cell decrease, which causes the division of tumor cells to cease, and they eventually die. The study contributes to increased knowledge that can add to a better diagnosis and future
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Clothes dryers are an underappreciated source of airborne microfibers
No one likes when their favorite clothes develop holes or unravel after many laundry cycles. But what happens to the fragments of fabric and stitching that come off? Although it's known that washing clothes releases microfibers into wastewater, it's unclear how drying impacts the environment. Now, a pilot study reports that a single dryer could discharge up to 120 million microfibers annually — c
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How much do students learn when they double the speed of their class videos?
A new study shows that students retain information quite well when watching lectures at up to twice their actual speed. With 85% of college students surveyed as part of the study reporting they "speed-watched" lecture videos, the researchers engaged students in a series of experiments to test how faster speeds affected learning. Recorded lectures have become a routine part of course instruction du
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Popular and well-liked aren't the same in middle school
Being popular in middle school doesn't necessarily mean being well-liked, research finds. The study finds that middle school students generally consider well-liked classmates to be those who are high achieving academically as well as helpful, kind, and cooperative. However, those who are considered popular are sometimes seen as mean and aggressive toward others. The difference lies in how long th
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NASA's InSight enters safe mode during regional Mars dust storm
NASA's InSight lander is stable and sending health data from Mars to Earth after going into safe mode Friday, Jan. 7, following a large, regional dust storm that reduced the sunlight reaching its solar panels. In safe mode, a spacecraft suspends all but its essential functions.
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New tiny sensor makes the invisible visible
A TU/e research group has developed a new near-infrared sensor that is easy to make, comparable in size to sensors in smartphones, and ready for immediate use in industrial process monitoring and agriculture. This breakthrough has just been published in Nature Communications, with co-first author Kaylee Hakkel defending her Ph.D. thesis on January 14th.
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Study 'cracks' mystery of water-promoted fracture growth on glass
Glass windows often endure external environmental factors such as wind, rain, and humidity, which lead to the formation of microcracks in their surface. For instance, a gust of wind can propel sand onto a window and create microscale surface cracks due to the impact of sharp-edged sand particles. These microcracks then grow in size when aggravated by water droplets and humidity.
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Decoding inner language to treat speech disorders
What if it were possible to decode the internal language of individuals deprived of the ability to express themselves? Researchers have now managed to identify promising neural signals to capture our internal monologues. They were also able to identify the brain areas to be observed to try to decipher them in the future.
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Identification of one of the first multicellular algae thanks to its chlorophyll fossilized for 1 billion years
Researchers have discovered the first in-situ evidence of chlorophyll remnants in a billion-year-old multicellular algal microfossil preserved in shales from the Congo Basin. This discovery has made it possible to unambiguously identify one of the first phototrophic eukaryotic organisms in the fossil record. This research opens up new perspectives in the study of the diversification of eukaryotes
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Kris Invests $15,000 in a New Gold Operation | Bering Sea Gold
Stream Bering Sea Gold on discovery+ ? https://www.discoveryplus.com/show/bering-sea-gold About Bering Sea Gold: In Nome, Alaska, the gold rush is on. Driven by gold fever and sometimes desperate need, miners pilot their ragtag dredges and dive with hoses to suck up gold from the bottom of the frigid, unpredictable Bering Sea. #BeringSeaGold #Discovery #Gold Subscribe to Discovery: http://bit.ly/
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Avoiding chains of magnetic islands may lead to fusion paradise
To create the conditions needed for fusion reactions, tokamak reactors contain a plasma in magnetic fields. These magnetic fields can contain tubular areas called magnetic islands. Plasma particles move extra quickly across these islands. This prevents the plasma from reaching the high temperatures necessary for fusion energy production. Fusion plants must therefore minimize the size of these regi
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Does water scarcity influence manufacturing firms to reduce toxic emissions?
It is well known that manufacturing operations can affect the environment, but hardly any research explores whether the natural environment shapes manufacturing operations. Specifically, we investigate whether water scarcity, which results from environmental conditions, influences manufacturing firms to lower their toxic releases to the environment. We created a data set that spans 2000–2016 and i
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An ice-inspired lubricant improves osteoarthritis symptoms in rats
With the Winter Olympics approaching, many people will soon be tuning in to watch events that take place on ice, such as figure skating, speed skating and ice hockey. An ultrathin, super-lubricating layer of water on the ice's surface is essential for skaters' graceful glides. Inspired by this surface, researchers reporting in ACS Nano have developed a treatment for osteoarthritis that enhances lu
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Drop in rain forest productivity could speed future climate change
Tropical forests host a rich diversity of plant and animal life and process vast amounts of carbon dioxide (CO2). Therefore, researchers have been particularly interested in how these ecosystems might be affected by climate change. Some have hypothesized that the rise in atmospheric CO2 is promoting carbon uptake by these forests, making them important carbon sinks. Evidence is mounting, however,
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Biochip reduces the cost of manufacturing in vitro skin
Researchers from the Universidad Carlos III de Madrid (UC3M), the Universidad Politécnica de Madrid (UPM) and other entities have designed a new biochip, a device that simplifies the process of manufacturing in vitro skin in the laboratory and other complex multi-layer tissues. Human skin modeled using this device could be used in medicine and cosmetic testing, which would reduce the cost of these
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Methanogenic microbes not always limited to methane
A study led by microbiologists at TU Dresden shows that methanogenic archaea do not always need to form methane to survive. It is possible to bypass methanogenesis with the seemingly simpler and more environmentally friendly acetogenic energy metabolism. These new findings provide evidence that methanogens are not nearly as metabolically limited as previously thought, and suggest that methanogenes
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Five ways to learn new things in the new year
The start of the new year can feel like the perfect opportunity to follow through with that resolution to learn a new skill or finally tackle a challenge. But sometimes it feels like the older you are, the harder it can be to change habits, add a new skill to your repertoire, or start a hobby. Is it really true that an old dog can't learn a new trick?
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Cranky Uncle – Resources for Educators
This is an adapted repost of the educators' resource page on CrankyUncle.com . Cranky Uncle uses cartoons, humor, and logic-based inoculation to build resilience against misinformation – an ideal tool for teaching critical thinking to students. This page features resources for educators interested in using Cranky Uncl e (the game or the book ) to teach critical thinking in their classes. For star
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Artificial intelligence learns to predict solar flux
Researchers from the Department of Computer Systems Engineering at Universidad Politécnica de Madrid,in collaboration with the University of Strathclyde (UK), used a deep learning approach that had previously shown promising performance in other forecasting problems, to forecast the F10.7 solar radio flux over days-ahead timescales relevant to space operations.
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Political scientist says US civil war unlikely
As the House Select Committee investigating the Jan. 6 insurrection at the U.S. Capitol prepares for televised hearings later this month, public attitudes toward the attack are divided sharply along partisan lines.
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Perseverance Has Pebbles Stuck in its Sample Caching System
The Perseverance rover has already made history by collecting the first-ever rock cores on another planet, but NASA says a pebble problem has delayed operations. The rover's advanced sample collection mechanism has become obstructed by some debris , and the team doesn't want to continue until it can get the rocks out of the way and ensure there is no damage to this irreplaceable scientific resour
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Biomass burning increases low clouds over southeastern Asia
Clouds have significant impact on the energy balance of the Earth system. Low clouds such as Stratocumulus, Cumulus and Stratus cover about 30 percent of the Earth surface and have a net cooling effect on our climate. What counteracts global warming, can have economic consequences: a persistently dense and low cloud cover over land can reduce agricultural production and the solar-power generation.
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Machine learning algorithms help scientists explore Mars
NASA's Curiosity rover has been exploring the Red Planet's surface for nearly a decade, with its main mission being to determine whether Mars was once habitable. While the rover's investigations have indeed confirmed that Mars was once a watery world filled with potentially life-sustaining chemistry, there's still much to learn. Curiosity's mountains of data offer an opportunity to use machine lea
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Lægeforeningen: Lad os sige farvel til et fuser-år og goddag til et festfyrværkeri af reformer i 2022
NYTÅRSTALE: 2021 blev på mange måder udskydelsernes år. Sundhedsreformen blev udskudt, og det samme skete for det faglige grundlag for den mindst lige så nødvendige tiårsplan for psykiatri. På samme måde må man spejde efter regeringens plan og tiltag mod børn og unges druk og tiltag mod ulighed i sundhed. På positivsiden har regeringen lyttet til Lægeforeningens forslag til at sikre bedre lægedæk
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3 things get people to return to rural hometowns
A new study identifies three things that draw people back to their hometowns a decade or two after leaving: public schools, population density, and other college-degree-holders in the community. Many academics and journalists have written about rural "brain drain," the migration of talented and bright young people who leave their communities, usually in search of better economic opportunities. Th
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Færre patienter til flere læger er ikke løsningen
Flere læger er det samme som at øge portoen eller sætte mere politi på gaden. Færre patienter er at gøre chokoladebaren mindre eller lægge færre gram kød i bakken. Det er set før, og det virker nu og her, men i længden går problemet ikke væk. Der skal nytænkning til, skriver konsulent og ekstern lektor på CBS, Mikael Elkan.
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Is more better? Amounts and frequency of milk replacer fed to calves under heat stress
Calves raised during the heat of summer have reduced growth, increased disease incidence, and higher mortality rates compared with those raised in temperate environments or neutral thermal conditions. The reduced average daily weight gain observed in the summer can be partially attributed to heat stress. In a new report published ahead of the February 2022 issue of the Journal of Dairy Science, sc
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Building a silicon quantum computer chip atom by atom
A University of Melbourne-led team has perfected a technique for embedding single atoms in a silicon wafer one-by-one. Their technology offers the potential to make quantum computers using the same methods that have given us cheap and reliable conventional devices containing billions of transistors.
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New book traces trajectory of feminism in modern China
Even before creating a constitution, the first thing the victorious revolutionaries of the People's Republic of China did was pass the New Marriage Law in 1950, giving women equal rights and creating a fundamentally feminist legal framework compared to the patriarchal system of Confucianism they had wiped away.
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App helps students study better
Cramming from a book, making notes or learning summaries. In the past these were about the only ways to memorize your course material. But that has long since changed. Multimedia is the code word. But is it effective?
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Extensive practical guide to DNA-based biodiversity assessment methods
Between 2016 and 2021, over 500 researchers collaborated within the DNAqua-Net international network, funded by the European Union's European Cooperation in Science and Technology program (COST), with the goal to develop and advance biodiversity assessment methods based on analysis of DNA obtained from the environment (e.g. river water) or from unsorted collections of organisms.
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The lucky ones
Nature, Published online: 12 January 2022; doi:10.1038/d41586-021-03747-1 Patience is a virtue.
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New spheres of knowledge on the origin of life
The shape of a cell affects its physical and chemical properties. Different cell types have developed different shapes to enable effective functioning. But what shape were the very first cells, as life began to evolve?
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Process improves strength, color of feather-based fibers
Domesticated chickens in the United States alone produce more than 2 billion pounds of feathers annually. Those feathers have long been considered a waste product, especially when contaminated with blood, feces or bacteria that can prove hazardous to the environment.
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For sustainable sulfur-tolerant catalysts, alloy precious metals with phosphorus
Catalysts play crucial roles in chemical processes. However, many conventional catalysts have suffered from deactivation caused by sulfur-containing molecules which are strongly absorbed onto catalyst surfaces and suppress catalytic reactions. Osaka University researchers have developed a highly active and durable metal-phosphide catalyst for the deoxygenation of sulfoxides. The developed catalyst
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From dust to planet: How gas giants form
Gas giants are made of a massive solid core surrounded by an even larger mass of helium and hydrogen. But even though these planets are quite common in the Universe, scientists still don't fully understand how they form. Now, astrophysicists Hiroshi Kobayashi of Nagoya University and Hidekazu Tanaka of Tohoku University have developed computer simulations that simultaneously use multiple types of
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Academics face bias for doing 'feminine' research
An analysis of 1 million doctoral dissertations finds widespread bias against research that just seems feminine, even if it's not explicitly about women or gender. For more than a decade, women have earned more doctoral degrees than men in the United States. Despite that, women less often get tenure, get published, and reach leadership positions in academia than men do. Much of the research into
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Using ion soft landing to solve hard energy problems
Every technology that runs our world requires energy on demand. Energy must be stored and be accessible to power electronic devices and light buildings. The wide range of devices that require energy on demand has led to the development of numerous strategies for storing energy.
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Arctic coasts in transition
Arctic coasts are characterized by sea ice, permafrost and ground ice. This makes them particularly vulnerable to the effects of climate change, which is already accelerating rapid coastal erosion.
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Plants rely on the CLASSY gene family to diversify their epigenomes
A team has shown that the CLASSY gene family regulates which parts of the genome are turned off in a tissue-specific manner. The work identifies the CLSY genes as major factors underlying epigenetic diversity in plant tissues. This research has broad implications for both agriculture and medicine.
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Daily briefing: First transplant of a gene-edited pig heart
Nature, Published online: 11 January 2022; doi:10.1038/d41586-022-00085-8 A person in the United States is the first to receive a transplant of a genetically modified pig heart. Plus, the evolution of the arXiv preprint server and why we shouldn't ignore the human failures that lead to 'natural' disasters.
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Farmer Uses VR to Make Cows Think They're in a Green Pasture
(Image by ILRI , Flickr, CC-BY-NC-ND 2.0, modified by ExtremeTech) Sure, we've taken a few jabs at the notion of living in virtual reality all-day long as the new normal, but that's just because we like our own reality, give or take a few things (pandemic, GPU shortage, etc.). But what if you're a dairy cow who is stuck in a barn, in the dead of winter? That is probably not very fun, and one farm
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DN, 12 jan 2022:
Henrik Evertsson och juryn för Stora journalistpriset utsedda till årets förvillare 2021 Inlägget dök först upp på Vetenskap och Folkbildning .
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The devastating mudslides that follow forest fires
Nature, Published online: 12 January 2022; doi:10.1038/d41586-022-00028-3 Regions that never used to burn are now suffering from forest fires — and that raises the risks of dangerous mudslides that are hard to forecast.
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The formation of avian montane diversity across barriers and along elevational gradients
Nature Communications, Published online: 12 January 2022; doi:10.1038/s41467-021-27858-5 Islands and mountaintops are often considered evolutionary dead ends. Using whole genomic data of 18 bird species and demographic models, the authors show that populations become isolated at high elevations, but disjunct montane populations maintain gene flow and thus the capacity for further colonisation.
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Tolerogenic nanoparticles mitigate the formation of anti-drug antibodies against pegylated uricase in patients with hyperuricemia
Nature Communications, Published online: 12 January 2022; doi:10.1038/s41467-021-27945-7 Anti-drug antibodies (ADA) induced by biologic drugs may hamper the efficacy of treatment, so inhibiting ADA induction is desirable. Here, in two clinical trials, the authors show that ImmTOR, previously reported to reduce drug immunogenicity in animal studies, helps mitigate ADA induced by pegylated uricase
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Single particle cryo-EM structure of the outer hair cell motor protein prestin
Nature Communications, Published online: 12 January 2022; doi:10.1038/s41467-021-27915-z Prestin, expressed in outer hair cell (OHC), belongs to the Slc26 transporter family and functions as a voltage-driven motor that drives OHC electromotility. Here, the authors report cryo-EM structure and characterization of gerbil prestin, with insights into its mechanism of action.
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NuA4 and H2A.Z control environmental responses and autotrophic growth in Arabidopsis
Nature Communications, Published online: 12 January 2022; doi:10.1038/s41467-021-27882-5 Function of nucleosomal acetyltransferase of H4 (NuA4), one major complex of HAT, remains unclear in plants. Here, the authors generate mutants targeting two components of the putative NuA4 complex in Arabidopsis (EAF1 and EPL1) and show their roles in photosynthesis genes regulation through H4K5ac and H2A.Z
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Apple, AMD, and Intel are Pursuing Three Different Strategies to Win the Laptop Market
CES is always good for a peek at what companies are planning for the future, and the show in 2022 was no exception. Intel and AMD both updated their respective mobile roadmaps for 2022 last week. Apple hasn't made any major announcements recently, but the company's plan for ramping its M-class processors into desktops and laptops is a little easier to see now that multiple variants of the CPU are
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The 1.5 degrees goal: Beware of unintended consequences
This is a re-post from Yale Climate Connections by Richard Richels , Henry Jacoby , Benjamin Santer , and Gary Yohe "Keep 1.5 alive" emerged as the haunting refrain of the recent United Nations climate conference in Glasgow . Although a well-intentioned rallying cry, it raises important questions about how the chant is to be interpreted. Unfortunately, 1.5° centigrade is often presented as an imm
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Mechanism controlling tertiary lymphoid structure formation in tumors discovered
Tertiary lymphoid structures are formations that occur outside of the lymphatic system. They contain immune cells and are similar in structure and function to lymph nodes and other lymphoid structures. However, little is known about how tertiary lymphoid structures form. In a new article published in Immunity, Moffitt Cancer Center researchers report on the molecular and cellular mechanisms that c
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Molecular paddlewheels propel sodium ions through next-generation batteries
Materials scientists have revealed paddlewheel-like molecular dynamics that help push sodium ions through a quickly evolving class of solid-state batteries. The insights should guide researchers in their pursuit of a new generation of sodium-ion batteries to replace lithium-ion technology in a wide range of applications such as data centers and home energy storage.
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Frontiers retracts a dozen papers, many more expected
The publisher Frontiers has retracted at least a dozen papers in the last month, after announcing an "extensive internal investigation" into "potentially falsified research." Here's an example of a notice, this one from Frontiers in Endocrinology for "Overexpression of microRNA-216a-3p Accelerates the Inflammatory Response in Cardiomyocytes in Type 2 Diabetes Mellitus by Targeting IFN-a2," which …
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New treasure trove of globular clusters holds clues about galaxy evolution
Using observations of Centaurus A, a nearby elliptical galaxy, obtained with the Gaia space telescope and ground-based instruments under the PISCeS survey, a team of astronomers presents an unprecedented number of globular cluster candidates in the outer regions of the galaxy. The findings provide astronomers with an even more detailed picture of galactic architecture and history of collisions and
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Researchers determine nutritional properties of protein in cricket, locust and silkworm pupae insect powders
Animal farming has traditionally fulfilled human nutritional requirements for protein, but insects may serve as an alternative for direct human consumption in the future. Researchers are working to lay a foundation to develop efficient protein isolation techniques by determining the nutritional and functional properties of protein for cricket, locust and silk worm pupae powders.
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Using only 100 atoms, electric fields can be detected and changed
The body is full of electrical signals. Researchers have now created a new nanomaterial that is capable of both detecting and modulating the electric field. This new material can be used in vitro studies for 'reading and writing' the electric field without damaging nearby cells and tissue. In addition, researchers can use this material to conduct in vitro studies to understand how neurons transmit
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Older adult opioid overdose death rates on the rise
A new study that analyzed 20 years of fatal opioid overdose data in adults 55 and older found that between 1999 and 2019, opioid-related overdose deaths increased exponentially in U.S. adults ages 55 and older, from 518 deaths in 1999 to 10,292 deaths in 2019: a 1,886% increase.
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Catching the COVID wiggle: Researchers develop new way to visualize how the spike protein shows off its moves
Coronaviruses are slippery, and that makes it hard to create effective vaccines that provide long-term protection. Now, University of Connectiut (UConn) researchers have developed a new way to model the spike protein of the virus and test its binding to antibodies. That could give scientists a firmer grip on the virus that causes COVID-19.
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Faculty mentor training program strengthens university's institutional climate
Many universities are in search of strategies to improve their faculty diversity and institutional climate. One factor known to be critical for faculty satisfaction is proper mentorship, but many faculty, particularly women and those from underrepresented racial and ethnic backgrounds, lack clear access to high quality mentoring. To address this, the Office of Faculty Affairs at University of Cali
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Job loss hit these LGBTQ groups harder
A new study looks at United States unemployment rates during the COVID-19 pandemic to identify the effects of job loss trends on LGBTQ+ populations. LGBTQ+ individuals who are younger, Black non-Hispanic, and white non-Hispanic, gay cisgender men, individuals with lower education levels, HIV-positive, and living with more than two other individuals experienced higher rates of job loss , according
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Obscure protein is spotlighted in fight against leukemia
Acute myeloid leukemia (AML) is a cancer of white blood cells. Researchers discovered that AML cancer cells depend on a protein called SCP4 to survive. They think the previously little-known protein is involved in a metabolic pathway the cancer cells need to survive. SCP4 provides researchers with a potential new therapeutic approach for this aggressive cancer.
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Researchers reveal how skin cells form a first line of defense against cancer
A new study reveals important insights into the molecular mechanisms that underpin the body's natural defences against the development of skin cancer. The protein CSDE1 coordinates a complex chain of events that enable senescence in skin cells. The senescent cells act as a firewall against cancer, suppressing the formation of tumours. The findings are surprising because CSDE1 has been previously l
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Safe drinking water remains out of reach for many Californians
An estimated 370,000 Californians rely on drinking water that may contain high levels of arsenic, nitrate or hexavalent chromium, and contaminated drinking water disproportionately impact communities of color in the state, finds a new analysis. Because this study is limited to three common contaminants, results likely underestimate the actual number of Californians impacted by unsafe drinking wate
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A new approach to enterprise risk management
While some organizations can respond to unexpected events, which can span from disruptive technologies and intensified competition to extreme weather events and climate related disasters, most of them cannot, and have a challenging time. So, how do we deal effectively with an increasingly complex and uncertain world?
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Study finds gender bias in language prevalent, even for language experts
Gender bias has not changed in more than 20 years, even by language experts who are aware of the potential dangers of such prejudices, according to a study coauthored by Rutgers University-New Brunswick that examined textbooks used to teach undergraduates studying the scientific structure of language.
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Role of helical structure and dynamics in oligoadenylate synthetase 1 (OAS1) mismatch tolerance and activation by short dsRNAs [Biochemistry]
The 2'-5'-oligoadenylate synthetases (OAS) are innate immune sensors of cytosolic double-stranded RNA (dsRNA) that play a critical role in limiting viral infection. How these proteins are able to avoid aberrant activation by cellular RNAs is not fully understood, but adenosine-to-inosine (A-to-I) editing has been proposed to limit accumulation of endogenous…
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A guaranteed immediate payout reduces impatience of financially constrained individuals [Social Sciences]
A large stream of literature found that individuals who experience financial strain are particularly concerned about their present needs—that is, they are more likely to choose smaller immediate payoffs over larger future payoffs. In contrast, some recent findings suggest that financially constrained individuals may be more concerned about future needs…
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Electrophysiological measures from human iPSC-derived neurons are associated with schizophrenia clinical status and predict individual cognitive performance [Neuroscience]
Neurons derived from human induced pluripotent stem cells (hiPSCs) have been used to model basic cellular aspects of neuropsychiatric disorders, but the relationship between the emergent phenotypes and the clinical characteristics of donor individuals has been unclear. We analyzed RNA expression and indices of cellular function in hiPSC-derived neural progenitors…
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An ultrafast and facile nondestructive strategy to convert various inefficient commercial nanocarbons to highly active Fenton-like catalysts [Engineering]
The Fenton-like process catalyzed by metal-free materials presents one of the most promising strategies to deal with the ever-growing environmental pollution. However, to develop improved catalysts with adequate activity, complicated preparation/modification processes and harsh conditions are always needed. Herein, we proposed an ultrafast and facile strategy to convert various inefficient…
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Exon-skipping antisense oligonucleotides for cystic fibrosis therapy [Genetics]
Mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene cause cystic fibrosis (CF), and the CFTR-W1282X nonsense mutation causes a severe form of CF. Although Trikafta and other CFTR-modulation therapies benefit most CF patients, targeted therapy for patients with the W1282X mutation is lacking. The CFTR-W1282X protein has residual…
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Open reading frame correction using splice-switching antisense oligonucleotides for the treatment of cystic fibrosis [Cell Biology]
CFTR gene mutations that result in the introduction of premature termination codons (PTCs) are common in cystic fibrosis (CF). This mutation type causes a severe form of the disease, likely because of low CFTR messenger RNA (mRNA) expression as a result of nonsense-mediated mRNA decay, as well as the production…
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Thermodynamic controls on rates of iron oxide reduction by extracellular electron shuttles [Environmental Sciences]
Anaerobic microbial respiration in suboxic and anoxic environments often involves particulate ferric iron (oxyhydr-)oxides as terminal electron acceptors. To ensure efficient respiration, a widespread strategy among iron-reducing microorganisms is the use of extracellular electron shuttles (EES) that transfer two electrons from the microbial cell to the iron oxide surface. Yet,…
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Level Up Your Movie Nights With the Best Projector Screens of 2022
Your home theater isn't complete until the perfect projector screen graces the wall. The projector screen makes more of a difference in your viewing experience than you may realize. The screen's material, thickness, gain (reflective ability), and coatings affect the contrast, color, and clarity of the image. The best projector screen will fit your space, budget, and provide any extra features you
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Study finds that K-12 experience and population density are among factors that support rural 'brain gain'
Many academics and journalists have written about rural "brain drain," the migration of talented and bright young people who leave their communities, usually in search of better economic opportunities. But a team of Iowa State University researchers have identified three significant factors that draw people back to their hometowns a decade or two after leaving: public schools, population density a
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New model examines the effects of toxicants on organism populations in polluted rivers
When designing environmental policies to limit the damage of river pollution, it is paramount to assess the specific risks that particular pollutants pose to different species. However, rigorously testing the effects of toxicants—like insecticides, plastic debris, pathogens, and chemicals—on entire groups of organisms without severely damaging their whole ecosystems is simply not feasible. Mathema
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Fungi, not weather, may explain tree growth secrets
New research shows just how important the partnership between trees and fungi is for tree growth. The new study is the first-ever comprehensive data analysis compiled for European forests on a massive scale. Most of the world's tree species have a close relationship with the fungi, known as ectomycorrhizae, that grow on their roots. These form a dense network around the fine roots, supplying the
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Cancer vaccine may avoid immunotherapy downsides
Thinking like engineers rather than doctors, Jeffery Hubbell and Melody Swartz are bringing new approaches to the field of immunotherapy—and helping rethink cancer research. Swartz has even developed what she calls a cancer "vaccine"—a way to train the immune system to recognize cancer cells as bad. By tinkering with the different parts inside our bodies, Swartz's and Hubbell's labs are searching
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New color-coded test quickly reveals if medical nanoparticles deliver their payload
Researchers have developed a color-coded test that quickly signals whether newly developed nanoparticles — ultra small compartments designed to ferry medicines, vaccines and other therapies — deliver their cargo into target cells. The new testing tool could advance the search for next-generation biological medicines. The technology builds upon nanoparticles currently used against cancer and eye
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How to buy land in metaverse
Recent news shows some companies buying land in metaverse Facebook. Who is selling them? How are they creating land in virtual world? Could someone please explain it to me. TIA submitted by /u/asimarunava [link] [comments]
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Poop shows male and female mink guts are really different
There's a dramatic difference between the microbial diversity in the guts of female and male American minks, a new study shows. The discovery suggests there is an unexpected sexual distinction in the gut microbiomes of carnivores, a finding which has ramifications for future wildlife research. "We thought carnivore microbiomes might be simple, and we are discovering that they're not." "This findi
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Heterologous vaccination interventions to reduce pandemic morbidity and mortality: Modeling the US winter 2020 COVID-19 wave [Biophysics and Computational Biology]
COVID-19 remains a stark health threat worldwide, in part because of minimal levels of targeted vaccination outside high-income countries and highly transmissible variants causing infection in vaccinated individuals. Decades of theoretical and experimental data suggest that nonspecific effects of non–COVID-19 vaccines may help bolster population immunological resilience to new pathogens….
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The ectomycorrhizal fungus Pisolithus microcarpus encodes a microRNA involved in cross-kingdom gene silencing during symbiosis [Plant Biology]
Small RNAs (sRNAs) are known to regulate pathogenic plant–microbe interactions. Emerging evidence from the study of these model systems suggests that microRNAs (miRNAs) can be translocated between microbes and plants to facilitate symbiosis. The roles of sRNAs in mutualistic mycorrhizal fungal interactions, however, are largely unknown. In this study, we…
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Biosafety of human environments can be supported by effective use of renewable biomass [Sustainability Science]
Preventing pathogenic viral and bacterial transmission in the human environment is critical, especially in potential outbreaks that may be caused by the release of ancient bacteria currently trapped in the permafrost. Existing commercial disinfectants present issues such as a high carbon footprint. This study proposes a sustainable alternative, a bioliquid…
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Conservation of magnetite biomineralization genes in all domains of life and implications for magnetic sensing [Applied Physical Sciences]
Animals use geomagnetic fields for navigational cues, yet the sensory mechanism underlying magnetic perception remains poorly understood. One idea is that geomagnetic fields are physically transduced by magnetite crystals contained inside specialized receptor cells, but evidence for intracellular, biogenic magnetite in eukaryotes is scant. Certain bacteria produce magnetite crystals inside…
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A genetic switch for male UV iridescence in an incipient species pair of sulphur butterflies [Evolution]
Mating cues evolve rapidly and can contribute to species formation and maintenance. However, little is known about how sexual signals diverge and how this variation integrates with other barrier loci to shape the genomic landscape of reproductive isolation. Here, we elucidate the genetic basis of ultraviolet (UV) iridescence, a courtship…
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Ship traffic connects Antarctica's fragile coasts to worldwide ecosystems [Ecology]
Antarctica, an isolated and long considered pristine wilderness, is becoming increasingly exposed to the negative effects of ship-borne human activity, and especially the introduction of invasive species. Here, we provide a comprehensive quantitative analysis of ship movements into Antarctic waters and a spatially explicit assessment of introduction risk for nonnative…
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Increasing instability of a rocky intertidal meta-ecosystem [Ecology]
Climate change threatens to destabilize ecological communities, potentially moving them from persistently occupied "basins of attraction" to different states. Increasing variation in key ecological processes can signal impending state shifts in ecosystems. In a rocky intertidal meta-ecosystem consisting of three distinct regions spread across 260 km of the Oregon coast,…
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Unraveling the origin of extra strengthening in gradient nanotwinned metals [Engineering]
Materials containing heterogeneous nanostructures hold great promise for achieving superior mechanical properties. However, the strengthening effect due to plastically inhomogeneous deformation in heterogeneous nanostructures has not been clearly understood. Here, we investigate a prototypical heterogeneous nanostructured material of gradient nanotwinned (GNT) Cu to unravel the origin of its extra
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Multivalency enables unidirectional switch-like competition between intrinsically disordered proteins [Biophysics and Computational Biology]
Intrinsically disordered proteins must compete for binding to common regulatory targets to carry out their biological functions. Previously, we showed that the activation domains of two disordered proteins, the transcription factor HIF-1a and its negative regulator CITED2, function as a unidirectional, allosteric molecular switch to control transcription of critical adaptive…
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Dengue virus infection modifies mosquito blood-feeding behavior to increase transmission to the host [Microbiology]
Mosquito blood-feeding behavior is a key determinant of the epidemiology of dengue viruses (DENV), the most-prevalent mosquito-borne viruses. However, despite its importance, how DENV infection influences mosquito blood-feeding and, consequently, transmission remains unclear. Here, we developed a high-resolution, video-based assay to observe the blood-feeding behavior of Aedes aegypti mosquitoes o
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Early antitumor activity of oral Langerhans cells is compromised by a carcinogen [Immunology and Inflammation]
Early diagnosis of oral squamous cell carcinoma (OSCC) remains an unmet clinical need. Therefore, elucidating the initial events of OSCC preceding tumor development could benefit OSCC prognosis. Here, we define the Langerhans cells (LCs) of the tongue and demonstrate that LCs protect the epithelium from carcinogen-induced OSCC by rapidly priming…
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(Repost) [Academic] Participants aged between 50-65 years needed for a short language-related experiment that is currently running online (Right-handed, native English speakers, 50-65)
Hi, I am currently conducting an experiment to examine language processing in adults aged between 50-65 years. It is quite simple and takes approx. 10-15 minutes to complete on a laptop or PC only. Participants must also be right-handed and speak English as a first language. The experiment has received ethical approval from Maynooth University`s Research Ethics Subcommittee (SRESC-2021-2450172).
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Gecko-inspired robot gripper is strong but gentle
Aiming to create a robotic gripper that can grasp with delicate strength, researchers have combined adhesives based on gecko toes with a customized robotic hand. Across a vast array of robotic hands and clamps, there is a common foe: the heirloom tomato. You may have seen a robotic gripper deftly pluck an egg or smoothly palm a basketball—but, unlike human hands, one gripper is unlikely to be abl
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Report: US carbon emissions grew in 2021
In the face of presidential orders and a flurry of legislation to curb carbon emissions, the volume of climate-warming gasses pumped into the atmosphere in the U.S. grew by more than 6 percent in 2021 after a pandemic-driven decline in 2020, according to widely watched data released Monday.
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Petition seeks to move captive coyote from forest preserve cage to animal sanctuary
On a recent morning with wind chills below zero, at a Cook County, Illinois, forest preserve, a coyote paced back and forth inside a cage, turning tight figures eights, peering out through the wires. With sharp teeth and quick movements, the animal looked ready to hunt. But animal experts agree, he probably can't survive on his own in the wild.
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Artificial intelligence predicts RNA and DNA binding sites to speed up drug discovery
The iMolecule group from Skoltech has developed an artificial intelligence-driven solution that uses data on the structure of RNA or DNA molecules to identify sites on them where interaction with potential drug candidates can occur. Knowledge of these binding sites allows pharmaceutical companies to discover new medications—including antiviral agents—in a much more focused and efficient manner. Th
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Accumulated heat in the upper ocean is at record levels again
The world's oceans are hotter than ever before, continuing their record-breaking temperature streak for the sixth straight year. The finding based on the latest data through 2021 comes at the end of the first year of the United Nations' Decade of Ocean Science for Sustainable Development Goals, the 17 interlocked goals to maintain human societies and natural ecosystems around the globe, many of wh
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The Best Magsafe Accessories For Total Alignment in 2022
If you (like me) spent your childhood imagining new fantasy technologies that use magnets for transferring energy, then Apple's new MagSafe technology for the iPhone 12 and iPhone 13 is pretty exciting stuff. While wireless charging has been available to the iPhone line since the iPhone 8 Qi charging capability, MagSafe updates the power throughput from 7.5 watts to 15 watts — making it competiti
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New drug combo identified for liver cancer via CRISPR-Cas9 screen
A research team has successfully repurposed an approved drug ifenprodil, a vasodilator, to be used in combination with the FDA-approved first-line drug sorafenib for hepatocellular carcinoma (HCC) treatment. This study leveraged on their CombiGEM-CRISPR v2.0 screening platform1 to expedite the search among the many possible drug combinations to inhibit druggable targets in the genome for treating
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Antarctica's unique ecosystem is threatened by invasive species 'hitchhiking' on ships
Antarctica has been relatively isolated from the rest of the world for millions of years but these days ships could potentially introduce marine animals and seaweeds. Invasive species can have drastic consequences for ecosystems, for example by taking over areas and creating a new habitat or becoming predators for species with no suitable defenses.
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FAA Decrees 50 Airports Will Have 5G Buffers
Regulators and the airlines are zeroing in on a compromise that will allow AT&T and Verizon to light up their mid-band 5G networks. These vital wireless bands were supposed to be online late last year, but the FAA expressed concern that the "C-band" frequencies could interfere with aviation. The carriers have grudgingly complied with the delays , but we now expect the new network to be live later
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Why disability bias is a particularly stubborn problem
Our most negative societal prejudices can fade, but what sparks that change, and what does it mean when those views haven't budged in years? Tessa Charlesworth, a postdoc in the Department of Psychology, has dedicated her research in recent years to these questions, and some of her newest analysis has turned up a troubling trend involving implicit biases toward disabilities.
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Exogenous artificial DNA forms chromatin structure with active transcription in yeast
Previously, researchers from Tianjin University designed and created a 254 kb digital data carrying artificial chromosome in yeast. This work "is a key proof-of-concept that demonstrated how artificial chromosomes can be used for data storage in a way that is robust and essentially free to copy." It broke through the limitation for the total length of encoded data within a single cell of just a fe
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Scientists reveal evolutions and mechanisms of extreme precipitation along the Yangtze River during summer 2020
Record-breaking, persistent, and sometimes heavy precipitation fell throughout the Yangtze River Valley (YRV) during June-July 2020. According to Prof. Tim Li, an Atmospheric Scientist at the School of Ocean and Earth Science and Technology at the University of Hawaii at Manoa, the summer of 2020 was the wettest in the YRV since 1979. Prof. Li, along with climatologists from Nanjing University of
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Essential role of O2-bridged bicyclic compounds in formation of secondary organic aerosol
Volatile organic compounds (VOCs) are important precursors for secondary organic aerosol (SOA) formation. As a significant aromatic compound of VOC, 1,3,5-trimethylbenzene (1,3,5-TMB, C9H12) mainly comes from vehicle exhaust, solvent use and industrial emissions. The oxidation reaction of 1,3, 5-trimethylbenzene is mainly initiated by hydroxyl radical (OH) in atmosphere.
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Language matters in building trust in COVID vaccines
A simple language intervention could help boost vaccination rates, especially when presenting information to people in bilingual populations, according to a new study. The findings show that between two groups presented with the exact same information about vaccines in two different but familiar languages, the use of one language corresponded to a 7% higher number of people saying "yes" and a 7%
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Ride into space on Vega-C secured for FLEX and Altius
A contract signed with Arianespace secures the joint launch for two satellites that will further knowledge of our home planet. Scheduled to lift off on a new class of rocket, ESA's Vega-C, from Europe's Spaceport in mid-2025, FLEX will yield new information about the health of the world's plants and Altius will deliver profiles of ozone and other trace gases in the upper atmosphere to support serv
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Why modern governments all need a ministry of the oceans
The ocean is becoming ever more central to our economies. Around 80% of internationally traded goods are transported by sea, and even brief blockages cause panic in global markets. Fishing remains big business, but in the 21st-century fish farming is even bigger.
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How the Webb telescope could ultimately help protect Earth
The James Webb Space Telescope, the most complex and expensive space laboratory ever created, is less than two weeks away from its ultimate destination a million miles from Earth. Once it arrives, it will send information about parts of space and time never seen before. It will also send previously unattainable information about parts of our own solar system.
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Mimicking nature to obtain more efficient, cleaner, and cheaper chemical compounds
A team from the Universitat Politècnica de València (UPV), in collaboration with the University of La Laguna (ULL), has developed a new methodology that, by imitating the photosynthesis of plants, allows to obtain more efficient, clean and economical chemical compounds used in the food, pharmaceutical or oil industry, among many other sectors. This work, published in the journal ACS—Applied Materi
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A look at how countries go nuclear, and why some do not
In 1993, South Africa announced to a largely surprised world that it had built nuclear weapons in the 1980s, before dismantling its arsenal. For the first time, a country outside of the elite world powers had obtained nuclear capabilities while keeping matters a secret from almost everyone else.
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Nonlinear effects of wind on Atlantic ocean circulation
The Atlantic Meridional Overturning Circulation (AMOC) is a system of ocean currents that transports warm, salty water from the tropics to the northern Atlantic. As the water cools, it becomes denser and sinks, in a process known as overturning. The cold deep water then flows back toward the equator. This process of transportation plays a critical role in Earth's climate.
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Water scarcity may spur improvements at manufacturing facilities
As climate change continues and the incidences of drought rise, water is increasingly becoming scarce for manufacturing. But a new study suggests that there is a silver lining — companies that use water may pivot to become efficient and more eco-friendly during periods of water scarcity.
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Measuring trust in AI
Prompted by the increasing prominence of artificial intelligence (AI) in society, researchers investigated public attitudes toward the ethics of AI. Their findings quantify how different demographics and ethical scenarios affect these attitudes. As part of this study, the team developed an octagonal visual metric, analogous to a rating system, which could be useful to AI researchers who wish to kn
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Low birth weight among IVF children not linked to infertility treatments
Children conceived through medically assisted reproduction are more likely to be born premature and are at greater risk of being born small than naturally conceived babies, according to new research. However, the study of almost 250,000 U.S. families finds that differences in birth weight and pregnancy term between medically assisted reproduction (MAR) — including techniques such as IVF treatment
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Children develop prejudice at an early age
Children in the Netherlands develop prejudices based on ethnicity at an early age. Ymke de Bruijn came to this conclusion in her dissertation "Child Interethnic Prejudice in the Netherlands: Social Learning from Parents and Picture Books." For her Ph.D. project, she took a closer look at the behaviors and ideologies young children are exposed to by their parents and through picture books between t
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Why mothers opt to stay in flood-prone Houston neighborhoods
A new book, " In Too Deep " (University of California Press, $29.95, 268 pages) from Rice University sociologist Rachel Tolbert Kimbro, dean of the School of Social Sciences, explores the lives of a group of mothers in a small Houston neighborhood that has been repeatedly rocked by catastrophic flooding—the 2015 Memorial Day flood, the 2016 Tax Day flood and Hurricane Harvey. It also looks at how
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The Man with the Pig Heart
David Bennett, 57, had terminal heart disease. He was bed-ridden and kept alive on a heart machine for the last six weeks, a temporary measure at best. He was deemed too sick for a donor heart transplant, which are in limited supply and given to the patients most likely to benefit from them. Essentially, his options were over and death was imminent and unavoidable. For this reason he was consider
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Stamp out fake clinical data by working together
Nature, Published online: 11 January 2022; doi:10.1038/d41586-022-00025-6 How can we make sure that medical trials reported in the scientific literature are real? It is surprisingly hard — but not impossible.
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Circular Dichroism beamline provides breakthrough in mapping chiral materials
A European research group has developed an exciting new imaging method on Diamond Light Source's beamline B23 that could improve the characterisation of chiral molecules in pharmaceuticals and other chiral molecules in the solid state. This pioneering work may have important impact on drug development and control of illegal substances by allowing the identification of a specific 'fingerprint' for
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The Coolest Tech Products We're Excited to Review from CES 2022
By Brandt Ranj The annual Consumer Electronics Show (CES) is a venue for companies like Sony, Microsoft, and Samsung to show off their most futuristic products. This year's show, which just wrapped up in Las Vegas, didn't disappoint. Some of the products are several years away from release, but we've sifted through the noise (and press releases) to find the five coolest tech products announced du
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NASA Completes Webb Deployment, Confirms Doubling of Expected Lifespan
NASA hit a major milestone with the James Webb Space Telescope over the weekend. After completing hundreds of steps with painstaking precision, the telescope has been fully deployed. It's still on the way to its final destination, but NASA has confirmed it'll be doing science for a long time. NASA finished running the numbers, and its perfect launch means Webb should have enough fuel for 20 years
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Fler föder barn efter 40
I Sverige och Danmark föder allt fler kvinnor barn efter 40. Samtidigt har behovet av assisterad befruktning för kvinnor över 40 i Skandinavien fördubblats under en tioårsperiod. Inlägget dök först upp på forskning.se .
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Moderna människan bättre skyddad mot oxidativ stress
Ett protein som är unikt för människor, och som alltså ser annorlunda ut hos neandertalare, har visat sig skydda mot oxidativ stress. Det finns en koppling mellan oxidativ stress och ökad risk för bland annat kärlsjukdom. Inlägget dök först upp på forskning.se .
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Extremt höga vd-löner saknar moraliskt berättigande
Det är svårt att berättiga extremt höga vd-löner. Dessutom är många av de moraliska skälen som ska förklara löneskillnader alldeles för vaga. Det visar en avhandling i praktisk filosofi från Göteborgs universitet. Inlägget dök först upp på forskning.se .
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Connecting reservoir computing with statistical forecasting and deep neural networks
Nature Communications, Published online: 11 January 2022; doi:10.1038/s41467-021-27715-5 Among the existing machine learning frameworks, reservoir computing demonstrates fast and low-cost training, and its suitability for implementation in various physical systems. This Comment reports on how aspects of reservoir computing can be applied to classical forecasting methods to accelerate the learning
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Probing dark exciton navigation through a local strain landscape in a WSe2 monolayer
Nature Communications, Published online: 11 January 2022; doi:10.1038/s41467-021-27877-2 Here, the authors use a tapered optical fibre to create a dynamic, reversible strain in a suspended WSe2 monolayer, and observe that dark excitons are funnelled to high-strain regions and are the principal participants in drift and diffusion at cryogenic temperatures.
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Preparative-scale synthesis of nonacene
Nature Communications, Published online: 11 January 2022; doi:10.1038/s41467-021-27809-0 Acenes, or linearly fused benzene rings, have both fundamental scientific interest and potential for electronic and material utility, but synthesis of acenes with more than six rings are difficult due to dimerization and degradation. Here the authors prepare nonacene and demonstrate that it is stable in inert
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Ultra-low threshold lasing through phase front engineering via a metallic circular aperture
Nature Communications, Published online: 11 January 2022; doi:10.1038/s41467-021-27927-9 Low threshold lasing is widely required, especially for portable systems. Here the authors design a circular subwavelength metallic aperture in a QCL to shape its phase front and control diffraction losses, which in turn allows a lower threshold dissipation power, enabling the fabrication of shorter cavities.
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A record thermoelectric efficiency in tellurium-free modules for low-grade waste heat recovery
Nature Communications, Published online: 11 January 2022; doi:10.1038/s41467-021-27916-y Thermoelectric materials for low-grade heat recovery applications are limited to Bi2Te3-based alloys containing expensive Te for decades. Here, the authors demonstrate on a module level, cheap antimonides could enable an efficiency not inferior to that of expensive tellurides.
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Structural insights in cell-type specific evolution of intra-host diversity by SARS-CoV-2
Nature Communications, Published online: 11 January 2022; doi:10.1038/s41467-021-27881-6 BriS?, a SARS-CoV-2 variant from clinical isolate hCoV/England/02/2020, comprises a deletion in a spike cleavage site. The structure and molecular dynamics of this spike provides mechanistic insights into how the deletion modulates virus infectivity.
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Rytr Reviewed: How the GPT-3 'AI Writing Assistant' Performs In Real Life
As consumer and corporate interest in artificial intelligence has grown, the number of companies purporting to offer AI-powered software has exploded. Microsoft has a web page devoted to the various ways it has baked AI into Office and Bing. Products like Topaz Video Enhance AI offer new tools for improving video content. Even NASA has recruited citizen scientists to help improve Perseverance's i
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Based off of my interests, what areas of research and study does it sound like I'm interested in?
TLDR; I'm extremely confused about the names of the subfield(s) of research and study I'm interested in. I wrote out a masterlist of my interests in hopes of figuring out what they are. I'm extremely confused about what field(s) of study I want to go into even after endless Google searching. I think most of my interests fall under neuroscience, neuropsychology, and biopsychology, but I have troub
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Helsingør Kommune: Folkeskolen kan ikke køre uden Google
Sagen om Google i undervisningen af danske børn fortsætter med en ny erklæring fra Helsingør Kommune. Her kan man ikke leve op til de krav, der stilles til danske folkeskoler uden at bruge tech-gigantens tjeneste, skriver kommunen i et brev til Datatilsynet.
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Scientists uncover new information about cellular death process, previously thought to be irreversible
Researchers report a new method for analyzing pyroptosis — the process of cell death that is usually caused by infections and results in excess inflammation in the body — and show that the process, long thought to be irreversible once initiated, can in fact be halted and controlled. The discovery means that scientists have a new way to study diseases that are related to malfunctioning cell death
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A crowning achievement in understanding head development
To understand how cranial neural crest cells (CNCCs) help form many more body parts than the skull and facial skeleton, scientists from the lab of Gage Crump created a series of atlases over time to understand the molecular decisions by which CNCCs commit to forming specific tissues in developing zebrafish. The researchers labeled and tracked CNCCs throughout the lifetime of zebrafish. With the he
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Scientists reduce all-solid-state battery resistance by heating
All-solid-state batteries are now one step closer to becoming the powerhouse of next-generation electronics as researchers introduce a strategy to restore their low electrical resistance. They also explore the underlying reduction mechanism, paving the way for a more fundamental understanding of the workings of all-solid-state lithium batteries.
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Personalizing treatment for severe limb injuries
Scientists have developed an innovative technique using small wearable sensors to gather data on how people — who have suffered from a traumatic hand amputation — use a prosthesis versus a transplanted hand in everyday life. So far, the data shows people with a transplanted hand demonstrate a more balanced use of their hands than those who use a prosthesis.
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