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Imaging the twilight zone
What happens in the brain when our conscious awareness fades during general anesthesia and normal sleep? Finnish scientists studied this question with novel experimental designs and func-tional brain imaging. They succeeded in separating the specific changes related to consciousness from the more widespread overall effects, and discovered that the effects of anesthesia and sleep on brain activity
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COVID-19 news from Annals of Internal Medicine
1. Review concludes universal mask use by lay persons reduces the spread of viral infections including SARS-CoV-2 ; 2. Update to 'living review' summarizes latest evidence on mask use among laypersons and health care workers
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Earth Is on Fire
Our planet is burning, both literally and figuratively, because of climate change—and COVID is no excuse to ignore it — Read more on ScientificAmerican.com
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WHO: Kampen mod Covid-19 slutter ikke ved vaccinen
PLUS. Måske slipper vi aldrig helt af med SARS-CoV-2, understreger WHO. Den danske vaccineforsker Ali Salanti er enig, men understreger, at løbende nye vacciner formentligt kan holde samfundet åbent.
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Vaccines Are the Safest Medical Procedure We Have. Make Your Wager Wisely – Facts So Romantic
All drugs and treatments have side effects, but vaccines in general have the fewest. Illustration by eamesBot / Shutterstock In the late 1650's, the French polymath and renowned scientist Blaise Pascal, having undergone a religious experience that transformed him into something of a zealot, suggested the following logical strategy regarding belief in God: If there is a God, then believing in him
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Brain imaging predicts PTSD after brain injury
Posttraumatic stress disorder (PTSD) is a complex psychiatric disorder brought on by physical and/or psychological trauma. How its symptoms, including anxiety, depression and cognitive disturbances arise remains incompletely understood and unpredictable. Treatments and outcomes could potentially be improved if doctors could better predict who would develop PTSD. Now, researchers using magnetic res
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Big bumblebees learn locations of best flowers
Big bumblebees take time to learn the locations of the best flowers, new research shows.
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Global trial reveals life saving drug for acute myeloid leukemia
Results from a global trial across 148 sites in 23 countries, showing a 30 per cent improvement in survival in patients with acute myeloid leukemia (AML), significantly improving survival in older patients, over the age of 55, with the disease. AML is the most acute blood cancer in adults and its incidence increases with age, with a poor prognosis.
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People who vape are more likely to report mental fog
Two new studies find an association between vaping and mental fog. Both adults and kids who vape were more likely to report difficulty concentrating, remembering, or making decisions than their non-vaping, non-smoking peers. It also appeared that kids were more likely to experience mental fog if they started vaping before the age of 14. While other studies have found an association between vaping
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Using economic data to create predictive models of anticipated antimicrobial resistance levels across countries
A team of researchers at the Amsterdam Institute for Global Health and Development has developed a way to model anticipated antimicrobial resistance levels across countries using economic data. In their paper published in Proceedings of the National Academy of Sciences, the group describes using the average income for a country, average out-of-pocket health care expenses for those living there and
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MDPI and racism
In 2019, MDPI published a Special Issue "Beyond Thirty Years of Research on Race Differences in Cognitive Ability", one year later its owner Shu-Kun Lin expressed admiration for Trump and said "Black Lives Matter. White Lives Matter. All Lives Matter."
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Is Dairy Farming Cruel to Cows?
A small group of animal welfare scientists is seeking answers to that question. Facing a growing anti-dairy movement, many farmers are altering their practices.
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Using economic data to create predictive models of anticipated antimicrobial resistance levels across countries
A team of researchers at the Amsterdam Institute for Global Health and Development has developed a way to model anticipated antimicrobial resistance levels across countries using economic data. In their paper published in Proceedings of the National Academy of Sciences, the group describes using the average income for a country, average out-of-pocket health care expenses for those living there and
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Scientists Recreate 1890s Fishing Surveys to Show How the Sea Has Changed
By retracing the steps of scientists working at the turn of the last century, modern researchers document how fish communities have been altered
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Spain will register people who refuse Covid vaccine, says health minister
Database could be shared across Europe, says Salvador Illa Coronavirus – latest updates See all our coronavirus coverage Spain's health minister has said the country will create a vaccination registry that will include those who refuse to be vaccinated against Covid-19, yielding a document that could potentially be shared with other countries in Europe. Days after EU countries began rolling out t
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Study identifies distinct sub-types of aggressive tumours to allow for targeted treatment
– Angiosarcomas are clinically aggressive tumours that are more prevalent in Asian populations-Study led by Singapore clinician-scientists has found a way to classify angiosarcomas into three subtypes, allowing for more targeted treatment, better outcomes for patients and the development of new therapies- Findings were published in The Journal of Clinical Investigation this year
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Beverage prices, volume sold after sweetened beverage tax repeal in Chicago's county
This observational study examined whether lasting change in sweetened beverage prices or the volume sold was associated with the implementation and repeal of a sweetened beverage tax in Cook County, Illinois, where Chicago is.
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Comparing health outcomes of privileged Americans with residents of other developed countries
Researchers looked at whether health outcomes of white citizens living in the richest U.S. counties were better than that of average individuals in other developed countries.
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One year later, how does COVID-19 affect children?
We have all lived with COVID-19 for about a year now. Overall, we have learned that children get sick less often than adults, but a few children have gotten severely sick. This update summarizes the current understanding of how children are affected and gives ways to keep families safe as children continue to grow and thrive.
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$3.9M project on self-deleting genes takes aim at mosquito-borne diseases
To control mosquito populations and prevent them from transmitting diseases such as malaria, many researchers are pursuing strategies in mosquito genetic engineering. A new Texas A&M AgriLife Research project aims to enable temporary "test runs" of proposed genetic changes in mosquitoes, after which the changes remove themselves from the mosquitoes' genetic code.
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Gut cells sound the alarm when parasites invade
When the parasite Cryptosporidium enters the body, it's cells in the intestines that first recognize the invader, triggering an early immune response, according to a new study led by a team from the University of Pennsylvania. A leading cause of diarrheal disease in young children globally, the parasite generates an inflammatory response beginning in the intestines that exacerbates the effects of
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Obesity, eating disorder disparities among sexual, gender minority children
The likelihood of having obesity or eating disorders was compared between sexual and gender minority children ages 9 to 10 and other children in this study.
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Carotid physiology, neck restraints in law enforcement
This Viewpoint reviews the potential neurologic consequences of any restriction of blood flow or oxygen to the brain and calls for an examination of the safety and appropriateness of the use of neck restraints by law enforcement.
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Despite recommendations, patients with treatment-resistant hypertension rarely tested for primary al
A retrospective cohort study found that testing for primary aldosteronism in patients with treatment-resistent hypertension was rare and also associated with higher rates of evidence-based treatment and better longitudinal blood pressure control. The findings are published in Annals of Internal Medicine .
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The brain network driving changes in consciousness
The loss and return of consciousness is linked to the same network of brain regions for both sleep and anesthesia, according to new research published in JNeurosci.
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Big bumblebees learn locations of best flowers
Big bumblebees take time to learn the locations of the best flowers, new research shows.
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NTU Singapore study suggests link between word choices and extraverts
A study by a team of Nanyang Technological University, Singapore (NTU Singapore) psychologists has found a link between extraverts and their word choices.
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Surveys identify relationship between waves, coastal cliff erosion
Researchers have always known that waves were an important part of the cliff erosion process, but they haven't been able to separate the influence of waves and rain before. After decades of debate over the differing roles that both play, new findings provide an opportunity to improve forecasts.
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Common brain malformation traced to its genetic roots
Researchers have shown that Chiari 1 malformation can be caused by variations in two genes linked to brain development, and that children with large heads are at increased risk of developing the condition.
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A Kenyan health economist investigates the pandemic's puzzling course in his country
Edwine Barasa helps guide the government's response with data—and quiet persistence
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When Our Gaze Is a Physical Force
Research documents a strange illusion — Read more on ScientificAmerican.com
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When Our Gaze Is a Physical Force
Research documents a strange illusion — Read more on ScientificAmerican.com
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Covid from space: the humans furthest from the pandemic – video
Astronaut Jessica Meir's seven-month mission on the International Space Station (expedition 62, from September 2019-April 2020) glides from the euphoria of the first days in zero gravity, to the deep pressure of the first all-female spacewalk in history, and finally to a completely unexpected event: seeing the global pandemic on Earth unfold from orbit. Will the astronaut be returning to a comple
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Metasurface enabled quantum edge detection
Metasurfaces provide unique platforms to realize exotic phenomena including negative refraction, achromatic focusing, and electromagnetic cloaking due to the engineered dielectric or metallic architectures. The intersection of metasurfaces and quantum optics can lead to significant opportunities that remain to be explored. In a new report now published on Science Advances, Junxiao Zhou, Shikai Liu
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2020 handlede ikke kun om corona: Her er fire medicinske gennembrud, du nok gik glip af
Vi fik verdens første medicin mod migræne og en afgørende behandling mod alvorlig gensygdom.
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The little brother of war: The history of lacrosse
Lacrosse, North America's oldest sport, goes far beyond the contemporary idea of a team sport. For the Iroquois, it was a type of military training, and a way to honor the gods. Long, long ago, only the quadrupeds played lacrosse, against the birds. The leaders of the first team were the bear, the deer and the turtle; of the second, the owl, the hawk and the eagle. One time, not long after a matc
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New Views of Quantum Jumps Challenge Core Tenets of Physics
One of the most basic processes in all of nature—a subatomic particle's transition between discrete energy states—is surprisingly complex and sometimes predictable, recent work shows — Read more on ScientificAmerican.com
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New Views of Quantum Jumps Challenge Core Tenets of Physics
One of the most basic processes in all of nature—a subatomic particle's transition between discrete energy states—is surprisingly complex and sometimes predictable, recent work shows — Read more on ScientificAmerican.com
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Why 2020 was a pivotal, contradictory year for facial recognition
America's first confirmed wrongful arrest by facial recognition technology happened in January 2020. Robert Williams, a Black man, was arrested in his driveway just outside Detroit, with his wife and young daughter watching. He spent the night in jail. The next day in the questioning room, a detective slid a picture across the table to Williams of a different Black man who had been caught on vide
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'Tier 5': England faces possible new Covid restrictions, source says
Experts warn tier 4 may not be enough to contain new, highly transmissible variant Coronavirus – latest updates See all our coronavirus coverage Further coronavirus restrictions could be introduced in England akin to a "tier 5" lockdown, a government source has suggested, as experts warn the current curbs might not be enough to shrink the epidemic. Tier 4 restrictions came into force in London an
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'We experienced the pandemic on Earth and they were experiencing it in orbit'
Film-makers Alina Manolache and Vladimir Potop on how they made the Guardian documentary 2020: A Covid Space Odyssey Our latest Guardian documentary is an evocative meditation on isolation and human fragility. It pieces together glimpses of the astronaut Jessica Meir's seven-month mission on the International Space Station (Expedition 62, from September 2019-April 2020), from the euphoria of her
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Ransomware Is Headed Down a Dire Path
2020 was a great year for ransomware gangs. For hospitals, schools, municipal governments, and everyone else, it's going to get worse before it gets better.
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Yet Another Year of Venture Capital Being Really White
After a year of protests against racial inequality and industry vows to do better, Black founders are still getting left out of Silicon Valley's financial engine.
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In a Pandemic, Medical Illustrators Made Science Accessible
With lots of research, arrows, and an inviting color palette, artists helped transform complex research into useful information.
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Hamlet 2000 Has Never Made More Sense
Michael Almereyda's future-minded Shakespeare adaptation (with a WIRED cameo) is 20 years old. Now it feels like an eerie premonition.
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Where Year Two of the Pandemic Will Take Us
Editor's Note: The Atlantic is making vital coverage of the coronavirus available to all readers. Find the collection here . The influenza pandemic that began in 1918 killed as many as 100 million people over two years. It was one of the deadliest disasters in history, and the one all subsequent pandemics are now compared with. At the time, The Atlantic did not cover it. In the immediate aftermat
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The Resistance's Breakup With the Media Is at Hand
The day after the 2016 election, I got a phone call from an old friend. Neither of us had slept much, and we spent most of the conversation exchanging shell-shocked comments of the Can you believe this? variety. Before we hung up, his voice took on a trace of irony. "Well," he said, "this is going to be great for your career." I waved the remark away, but I knew he was probably right. My contenti
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From Rapping Robots to Glowing Frogs: Our Favorite Fun Stories of 2020
It has been a tough year, but science still brought us some weird, cool and quirky findings — Read more on ScientificAmerican.com
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From Rapping Robots to Glowing Frogs: Our Favorite Fun Stories of 2020
It has been a tough year, but science still brought us some weird, cool and quirky findings — Read more on ScientificAmerican.com
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Sociologist details how, why privilege plays role in criminal courts
A chance encounter five years ago in a Chicago-area courtroom altered the course of sociologist Matthew Clair's academic life. While a graduate student researching the criminal justice system, Clair and a colleague often observed courtroom proceedings in cities they were visiting.
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Corona har lukket dit fitnesscenter: Tre grunde til at dyrke motion i naturen
Vil du i form, får du mere mere ud af løbetræningen, hvis du rykker udenfor.
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Switching DNA functions on and off with light
DNA is the basis of life on earth. The function of DNA is to store all the genetic information an organism needs to develop, function and reproduce. It is essentially a biological instruction manual found in every cell. Biochemists at the University of Münster have now developed a strategy for controlling the biological functions of DNA with the aid of light. This enables researchers to better und
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Switching DNA functions on and off with light
DNA is the basis of life on earth. The function of DNA is to store all the genetic information an organism needs to develop, function and reproduce. It is essentially a biological instruction manual found in every cell. Biochemists at the University of Münster have now developed a strategy for controlling the biological functions of DNA with the aid of light. This enables researchers to better und
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Spørg Fagfolket: Øger udvidelsen af Vejlefjordbroen risikoen for sammenstyrtning?
En læser spekulerer på, hvordan man kan udvide en bro fra to til tre spor, uden at det belaster konstruktionen. Vejdirektoratet svarer.
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Chernobyl 'Exclusion Zone' Radiation Doses Reanalyzed
Evidence builds that animals are scarcer in more heavily contaminated areas — Read more on ScientificAmerican.com
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The Life in The Simpsons Is No Longer Attainable
The most famous dysfunctional family of 1990s television enjoyed, by today's standards, an almost dreamily secure existence that now seems out of reach for all too many Americans. I refer, of course, to the Simpsons. Homer, a high-school graduate whose union job at the nuclear-power plant required little technical skill, supported a family of five. A home, a car, food, regular doctor's appointmen
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Tractors can change farming in good ways and bad: lessons from four African countries
Agricultural mechanisation is on the rise in Africa, replacing hand hoes and animal traction across the continent. While around 80-90% of all farmers still rely on manual labour or draught animals, this is changing, driven by falling machinery prices and rising rural wages. During the last couple of years, tractor sales grew by around 10% annually.
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'Like finding life on Mars': why the underground orchid is Australia's strangest, most mysterious flower
If you ask someone to imagine an orchid, chances are pots of moth orchids lined up for sale in a hardware store will spring to mind, with their thick shiny leaves and vibrant petals.
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'Like finding life on Mars': why the underground orchid is Australia's strangest, most mysterious flower
If you ask someone to imagine an orchid, chances are pots of moth orchids lined up for sale in a hardware store will spring to mind, with their thick shiny leaves and vibrant petals.
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How To Make A New Year's Resolution
A new study looks at ways to make New Year's resolutions succeed. (Image credit: Pixabay)
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How to help dogs and cats manage separation anxiety when their humans return to work
When one of my co-workers found out about a tiny, orphaned kitten that needed a home a few months ago, he didn't hesitate to adopt it. He says his new companion helped make the months of COVID-19 isolation at home much less stressful.
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How to help dogs and cats manage separation anxiety when their humans return to work
When one of my co-workers found out about a tiny, orphaned kitten that needed a home a few months ago, he didn't hesitate to adopt it. He says his new companion helped make the months of COVID-19 isolation at home much less stressful.
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Crops grown in Bangalore high on toxic heavy metals
Scientists in Bangalore, India have found toxic levels of four heavy metals, chromium, nickel, cadmium and lead, in crops and vegetables grown on soil irrigated with water from six lakes in the city, reports a study published December in Current Science.
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New supercluster discovered by astronomers
By analyzing the data from the eROSITA Final Equatorial Depth Survey (eFEDS), an international team of astronomers has detected a new supercluster. The newly found structure consists of eight galaxy clusters. The discovery is reported in a paper published December 21 on the arXiv pre-print server.
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Introduction to Consumer Monetary Theory
submitted by /u/monkfreedom [link] [comments]
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How do you think people's behaviors would change after the pandemic gets over?
Remote work and mainstream utilization of services like instacart and doordash have definitely shown people that they don't need to step out for even toilet paper. What other behavior changes are gonna stick around after the pandemic? submitted by /u/Youngblood4k [link] [comments]
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U.S. to allow broad use of delivery drones
submitted by /u/Winnebago01 [link] [comments]
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A future subreddit with a modification.
Is there a subreddit or source that collects future predictions made in past and their current status, so that we know something that was impossible 5 years back is working now. I really need a crowdsourced lens like this, especially to understand medical breakthroughs. Not sure where we exactly stand on stuff like Stem cells which were hyped up more than a decade back submitted by /u/throwaway_i
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3D-Printed Electric Motorcycle Looks Straight Out of Blade Runner
submitted by /u/Sorin61 [link] [comments]
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Japan to build wooden satellites to cut space junk
submitted by /u/Jaxerfp [link] [comments]
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Scientists build whole functioning thymus from human cells
submitted by /u/dmiller987 [link] [comments]
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Elon Musk says Mars economy will run on cryptocurrency
submitted by /u/haddock420 [link] [comments]
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Akon Is Building a "Real-Life" Wakanda in Senegal Called Akon City
submitted by /u/Bream1000 [link] [comments]
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Current spacesuits won't cut it on the moon. So NASA made new ones.
A spacesuit is more like a miniature spacecraft you wear around your body than an item of clothing. It's pressurized, it's decked out with life support systems, and it's likely to look pretty cool. But should the suit fail, you're toast. No one has ever died because of a faulty spacesuit, but that doesn't mean current models are perfect. Whether it's for launch into space or reentry back to Earth
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Den britiske hær får ny 'BUG'-drone til at rekognoscere i felten
En ny nano-drone, der vejer under 200 gram, skal i fremtiden hjælpe britiske soldater med at rekognoscere.
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Clicks, bonks and dripping taps: listen to the calls of 6 frogs out and about this summer
Frog calls are iconic sounds of summer in Australia. There are more than 240 species native to Australia, almost all of which are found nowhere else on Earth.
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To help trudge through the snow, the chang'e-5 recovery team wore powered exoskeletons
Other worlds aren't the only difficult terrain personnel will have to traverse in humanity's exploration of the solar system. There are some parts of our own planet that are inhospitable and hard to travel over. Inner Mongolia, a northern province of China, would certainly classify as one of those areas, especially in winter. But that's exactly the terrain team members from the China Aerospace Sci
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Is forearm curvature in the 'Little Foot' Australopithecus natural or pathological?
The 3.67-million-year-old StW 573 ("Little Foot") Australopithecus from Sterkfontein, South Africa, is the most complete skeleton known in the hominin fossil record. It's discoverers suggested that the significant curvature of its forearm is the result of a fall from a tree during childhood. They argued this early Australopithecus suffered acute plastic bowing of the forearm—a deformity common in
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Clicks, bonks and dripping taps: listen to the calls of 6 frogs out and about this summer
Frog calls are iconic sounds of summer in Australia. There are more than 240 species native to Australia, almost all of which are found nowhere else on Earth.
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The Deep Story of Trumpism
A s a White House resident, President Donald Trump is a goner. But his stranglehold on the GOP seems as tight as ever: Three in four Republicans say they believe their man won the 2020 election. Can the GOP channel the energy of his most fervent supporters and advance a sort of Trumpism without Trump? The answer depends on what Trumpism is—a populist prototype, a personality cult, or something st
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Ending the pandemic means vaccinating the whole world—but the US is focusing on itself
The United States is not currently a member of the COVID-19 Vaccines Global Access Facility, but helping to vaccinate other countries could help end the pandemic faster. (Pixabay/) More than 500,000 Americans have now been vaccinated against COVID-19. In the next year, as more and more people receive their inoculations in the US, the vaccines will play a key role in helping the country recover fr
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Demographic analyses of a new sample of haploid genomes from a Swedish population of Drosophila melanogaster
Scientific Reports, Published online: 29 December 2020; doi:10.1038/s41598-020-79720-1
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Uncovering the chemistry behind inducible morphological defences in the crustacean Daphnia magna via micro-Raman spectroscopy
Scientific Reports, Published online: 29 December 2020; doi:10.1038/s41598-020-79755-4
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Associating Emergency Medical Services personnel's workload, trauma exposure, and health with the cortisol, endocannabinoid, and N-acylethanolamine concentrations in their hair
Scientific Reports, Published online: 29 December 2020; doi:10.1038/s41598-020-79859-x Associating Emergency Medical Services personnel's workload, trauma exposure, and health with the cortisol, endocannabinoid, and N -acylethanolamine concentrations in their hair
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Observations on early fungal infections with relevance for replant disease in fine roots of the rose rootstock Rosa corymbifera 'Laxa'
Scientific Reports, Published online: 29 December 2020; doi:10.1038/s41598-020-79878-8
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Excellent age hardenability with the controllable microstructure of AXW100 magnesium sheet alloy
Scientific Reports, Published online: 29 December 2020; doi:10.1038/s41598-020-79390-z
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Grafted human induced pluripotent stem cells improve the outcome of spinal cord injury: modulation of the lesion microenvironment
Scientific Reports, Published online: 29 December 2020; doi:10.1038/s41598-020-79846-2
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Actionable and incidental neuroradiological findings in twins with neurodevelopmental disorders
Scientific Reports, Published online: 29 December 2020; doi:10.1038/s41598-020-79959-8
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Distinguishing intrinsic photon correlations from external noise with frequency-resolved homodyne detection
Scientific Reports, Published online: 29 December 2020; doi:10.1038/s41598-020-79686-0
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Psychology paper retracted after creators of tool allege "serious breach of copyright"
A researcher in Ecuador has lost a 2019 paper on the application of a widely-used psychological research instrument after the owner of the tool flexed their copyright muscle. The episode — like another one, recently — echoes the case of Donald Morisky, a UCLA researcher who developed an instrument for assessing medication adherence — and … Continue reading
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Five Health Experts Weigh in on Indoor Dining
As Covid-19 cases surge across the country, some cities and towns have banned indoor dining while others have permitted it with restrictions — but that doesn't mean dining inside isn't without risks. Five health experts give their perspective on dining out. "There's nothing magical about 6 feet."
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You're Infected With the Coronavirus. But How Infected?
Knowing the amount of virus carried in the body could help doctors predict the course of a patient's illness.
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Coronavirus diaries: an unexpected career experiment
Nature, Published online: 29 December 2020; doi:10.1038/d41586-020-03627-0 John Tregoning reflects on a year like no other.
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Flere fødevarer på vej til Måne- og Marsmissioner: Nu høster rumstationen radiser
27 dage tager det at dyrke radiser på ISS. Se her, hvordan planterne skød op i 'drivhuset'.
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Doctors raise alarm over 'dire' situation in NHS as Covid cases rise
Hospitals under growing pressure as patient numbers surpass first wave of pandemic Coronavirus – latest updates See all our coronavirus coverage NHS hospitals in England are under increasing pressure as coronavirus cases rise, with doctors raising the alarm about "very, very busy services" and one trust calling for volunteers to help prone patients. The warning comes as the number of coronavirus
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Green body gives verdict on Boris Johnson carbon-cutting policies
The Green Alliance says there is gap between the PM's plans and what is needed to meet carbon targets.
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Listan: Forskning och utveckling ökar i Sverige
*Den privata icke-vinstdrivande sektorn är inte inkluderad
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Coronavirus live news: India reports cases of new Covid variant; Philippines extends travel bans
Latest updates: South Africa imposes tighter restrictions amid sharp increase in cases; UK told it must vaccinate 2 million people per week to avoid new wave Covid vaccine uptake high in UK despite concerns over hesitancy The lost year: could Covid lockdown have helped save the planet? South Africa bans alcohol sales; Spain sets up Covid vaccine register See all our coronavirus coverage 9.05am GM
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Meet the Psychologists
In this book, you will meet 16 of the most prominent people in psychology in conversational interviews that reveal their thoughts about the current state of psychology and its future. Enlightening and entertaining. The post first appeared on Science-Based Medicine .
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SDU-forsker har igangsat lokal produktion af mundbind i Afrika
PLUS. Tusindvis af mundbind bliver produceret lokalt i Sierra Leone til afrikanere i risiko for covid-19. Ideen blev fostret af en droneforsker på SDU.
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Will My Popcorn Explode?
The odds that all of your popcorn kernels will pop simultaneously aren't zero. Maybe think instead of the multiple lotteries you're more likely to win.
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The UK and the US need to learn from countries that better handled Covid-19 | Laura Spinney
Vietnam's 2003 Sars epidemic and Senegal's 2014 Ebola outbreak informed their fast and effective responses In October 2019, in those halcyon pre-Covid-19 days, a chart was published that ranked 195 countries according to their capacity to deal with outbreaks of infectious disease. Drawn up by the Washington DC-based Nuclear Threat Initiative and the Johns Hopkins Center for Health Security in Bal
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Gott nytt år!
Min mamma fick ett samtal från en kusin. Han släktforskar och berättade att han hade sett en notis i en kyrkbok om att min mormor hade fått en dotter när hon var ung och ogift. Den lilla flickan stod som avliden i mässling, lite drygt ett år gammal. Min mormor sa, så vitt vi vet, aldrig ett ord om detta till någon. Hon teg om det i hela sitt drygt 90-åriga liv. Jag tvekade ett par veckor inför om
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Covid demand earns Samsung's ailing LCD factories a reprieve
Korean group to keep producing displays beyond 2020 thanks to stay-at-home demand
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Covid vaccine uptake high despite concerns over hesitancy
Experts fear misinformation and development worries could undermine efforts to control pandemic Coronavirus – latest updates See all our coronavirus coverage Uptake of the Covid-19 vaccine has been high among those offered it, doctors say, despite fears that vaccine hesitancy could undermine efforts to control the pandemic . Experts have feared mass uptake of the jab could be jeopardised by wides
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Brain imaging predicts PTSD after brain injury
Posttraumatic stress disorder (PTSD) is a complex psychiatric disorder brought on by physical and/or psychological trauma. How its symptoms, including anxiety, depression and cognitive disturbances arise remains incompletely understood and unpredictable. Treatments and outcomes could potentially be improved if doctors could better predict who would develop PTSD. Now, researchers using magnetic res
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Large transporter protein linked to schizophrenia
Scientists have suspected mutations in a cellular cholesterol transport protein are associated with psychiatric disorders, but have found it difficult to prove this and to pinpoint how it happens. Now, Kazumitsu Ueda of Kyoto University's Institute for Integrated Cell-Material Sciences (iCeMS) and colleagues in Japan have provided evidence that mice with disrupted ABCA13 protein demonstrate a hall
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Protein twist and squeeze confers cancer drug resistance
In 1986, cellular biochemist Kazumitsu Ueda, currently at Kyoto University's Institute for Integrated Cell-Material Sciences (iCeMS), discovered that a protein called ABCB1 could transport multiple chemotherapeutics out of some cancer cells, making them resistant to treatment. How it did this has remained a mystery for the past 35 years. Now, his team has published a review in the journal FEBS Let
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Review of the year: uncovering the science of Covid-19 (part one)
There have been a number of incredible science stories in 2020, from AI deciphering the facial expressions of mice to the discovery of a black hole just 1,000 light-years from Earth. Yet, it was the Sars-CoV-2 virus that came to dominate both the headlines and our lives. In the first of two episodes, health editor Sarah Boseley, science editor Ian Sample and producer Madeleine Finlay give their th
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Review of the year: uncovering the science of Covid-19 (part one)
There have been a number of incredible science stories in 2020, from AI deciphering the facial expressions of mice to the discovery of a black hole just 1,000 light-years from Earth . Yet, it was the Sars-CoV-2 virus that came to dominate both the headlines and our lives. In the first of two episodes, health editor Sarah Boseley , science editor Ian Sample and producer Madeleine Finlay give their
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2020: charts from a year like no other
Data and graphics were the bedrock for a lot of coronavirus reporting, from transmission rates to the economic fallout
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Epidemiforsker: Én uges 'sjov' koster to ugers nedlukning
PLUS. Forsker advarer mod at se vaccine og faldende smittetal som nøglen til genåbning. Lige nu koster hver dags unødig social kontakt dyrt.
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Is it possible to directly stimulate or inhibit thoughts ?
submitted by /u/MouldyChocolate [link] [comments]
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Interview with David Ferrucci (IBM Watson): Machines To Understand Stories
submitted by /u/HunterCased [link] [comments]
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Careers with a BA?
Possible to be successful with a BA degree in cogsci? What are some possible job opportunities? submitted by /u/nalaw92 [link] [comments]
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Science News Briefs from around the Planet
Here are some brief reports about science and technology from around the world, including one from Panama about the toll lightning takes on tropical trees.
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Japan developing wooden satellites to cut space junk
A Japanese forestry firm has partnered with Kyoto University in what would be a world first.
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Science News Briefs from around the Planet
Here are some brief reports about science and technology from around the world, including one from Panama about the toll lightning takes on tropical trees. — Read more on ScientificAmerican.com
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Science News Briefs from around the Planet
Here are some brief reports about science and technology from around the world, including one from Panama about the toll lightning takes on tropical trees. — Read more on ScientificAmerican.com
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Space images: The best of 2020
There was stunning cosmic imagery to feast on over the past year – here's our pick of the offerings.
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The Atlantic Daily: 10 Must-Read Stories of 2020
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 . A lot has happened this year. Today, we're reflecting on what The Atlantic covered in 2020. Below is a non-exhaustive list of must-read stories, including some of our standout work on the coronav
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Fusion Reactor Sets Record By Running for 20 Seconds
Most of the methods we currently use to produce power come with substantial drawbacks such as pollution or limited availability. Reliable fusion power could theoretically change all that. By harnessing the power of the sun, we could safely produce more power than ever before. The problem, however, is that fusion power generation doesn't work yet. A team from South Korea just made a major advancem
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Tool predicts which forests will regrow on their own
A new tool can help forest managers know which areas will most benefit from replanting efforts after megafires and which will regenerate on their own. "Huge fires are converting forested areas to landscapes devoid of living trees," says lead author Joseph Stewart, a postdoctoral researcher at the University of California, Davis, and with the United States Geological Survey. "Managers need timely
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Common brain malformation traced to its genetic roots
Researchers at Washington University School of Medicine in St. Louis have shown that Chiari 1 malformation can be caused by variations in two genes linked to brain development, and that children with large heads are at increased risk of developing the condition.
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Study shows waves, rainfall important parts of cliff erosion process, providing new opportunity to improve forecasts
Scripps Institution of Oceanography at UC San Diego researchers have uncovered how rain and waves act on different parts of coastal cliffs.
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Brexit deal secures U.K. access to European research funds
24 December agreement preserves U.K. participation in the Horizon Europe research program
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The Real Story Behind Aztec Crystal Skulls
Fake Aztec crystal skulls are found in museum collections around the world. They can all be traced back to one man.
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These fascinating flying stories soared above a turbulent year
An F-15C in Japan on January 9, 2019. (U.S. Air Force / Airman 1st Class Matthew Seefeldt/) In the world of aviation, the past year will be remembered for the far-reaching effects of one single devastating factor: the pandemic . COVID-19 spurred airlines to slash flights, retire old jets , and find value in flying cargo . In addition to those big events, PopSci highlighted some of the neatest tec
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Novavax launches pivotal U.S. trial of dark horse COVID-19 vaccine after manufacturing delays
Tiny biotech may struggle to find participants for its placebo-controlled efficacy trial
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To the brain, reading computer code is not the same as reading language
In some ways, learning to program a computer is similar to learning a new language. It requires learning new symbols and terms, which must be organized correctly to instruct the computer what to do. The computer code must also be clear enough that other programmers can read and understand it. In spite of those similarities, MIT neuroscientists have found that reading computer code does not activa
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Pandemic Advances Scientific Understanding Of Viruses' Air Transmission
Due to the coronavirus pandemic, scientists this year made significant progress in understanding how respiratory viruses can be transmitted from one person to another through the air.
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Surveys identify relationship between waves, coastal cliff erosion
Researchers have always known that waves were an important part of the cliff erosion process, but they haven't been able to separate the influence of waves and rain before. After decades of debate over the differing roles that both play, new findings provide an opportunity to improve forecasts.
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Earth Actually Has Four North Poles
There's four spots that correspond to the fabled location — it just depends on your definition.
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Five Things We Learned From Astronaut Victor Glover
Discover what it's really like to live and work in space! Astronaut Victor Glover shares his thoughts and little-known facts about being an astronaut
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Shapeshifting crystals: Varying stability in different forms of gallium selenide monolayers
Researchers investigate the structure and properties of a recently identified polymorph of gallium selenide crystal layer.
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The ABCs of species evolution
Scientists propose that a family of transporter proteins has played an important role in species evolution. One protein in particular, called ABCA1, was likely crucial for vertebrate evolution by helping regulate when signals involved in cell proliferation, differentiation and migration enter a cell. This process was necessary for vertebrates to develop into more complex organisms with sophisticat
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Massively parallel discovery of human-specific substitutions that alter enhancer activity [Evolution]
Genetic changes that altered the function of gene regulatory elements have been implicated in the evolution of human traits such as the expansion of the cerebral cortex. However, identifying the particular changes that modified regulatory activity during human evolution remain challenging. Here we used massively parallel enhancer assays in neural…
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The intestinal parasite Cryptosporidium is controlled by an enterocyte intrinsic inflammasome that depends on NLRP6 [Microbiology]
The apicomplexan parasite Cryptosporidium infects the intestinal epithelium. While infection is widespread around the world, children in resource-poor settings suffer a disproportionate disease burden. Cryptosporidiosis is a leading cause of diarrheal disease, responsible for mortality and stunted growth in children. CD4 T cells are required to resolve this infection, but…
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SCAMP5 plays a critical role in axonal trafficking and synaptic localization of NHE6 to adjust quantal size at glutamatergic synapses [Neuroscience]
Glutamate uptake into synaptic vesicles (SVs) depends on cation/H+ exchange activity, which converts the chemical gradient (ΔpH) into membrane potential (Δψ) across the SV membrane at the presynaptic terminals. Thus, the proper recruitment of cation/H+ exchanger to SVs is important in determining glutamate quantal size, yet little is known about…
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The early-stage growth and reversibility of Li electrodeposition in Br-rich electrolytes [Engineering]
The physiochemical nature of reactive metal electrodeposits during the early stages of electrodeposition is rarely studied but known to play an important role in determining the electrochemical stability and reversibility of electrochemical cells that utilize reactive metals as anodes. We investigated the early-stage growth dynamics and reversibility of electrodeposited lithium…
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Gene expression regulates metabolite homeostasis during the Crabtree effect: Implications for the adaptation and evolution of Metabolism [Biochemistry]
A key issue in both molecular and evolutionary biology has been to define the roles of genes and phenotypes in the adaptation of organisms to environmental changes. The dominant view has been that an organism's metabolic adaptations are driven by gene expression and that gene mutations, independent of the starting…
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Intrinsic electronic conductivity of individual atomically resolved amyloid crystals reveals micrometer-long hole hopping via tyrosines [Chemistry]
Proteins are commonly known to transfer electrons over distances limited to a few nanometers. However, many biological processes require electron transport over far longer distances. For example, soil and sediment bacteria transport electrons, over hundreds of micrometers to even centimeters, via putative filamentous proteins rich in aromatic residues. However, measurements…
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Supramolecular assembly of the Escherichia coli LdcI upon acid stress [Biochemistry]
Pathogenic and commensal bacteria often have to resist the harsh acidity of the host stomach. The inducible lysine decarboxylase LdcI buffers the cytosol and the local extracellular environment to ensure enterobacterial survival at low pH. Here, we investigate the acid stress-response regulation of Escherichia coli LdcI by combining biochemical and…
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TFH cells depend on Tcf1-intrinsic HDAC activity to suppress CTLA4 and guard B-cell help function [Immunology and Inflammation]
Precise regulation of coinhibitory receptors is essential for maintaining immune tolerance without interfering with protective immunity, yet the mechanism underlying such a balanced act remains poorly understood. In response to protein immunization, T follicular helper (TFH) cells lacking Tcf1 and Lef1 transcription factors were phenotypically normal but failed to promote…
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Statistical finite elements for misspecified models [Statistics]
We present a statistical finite element method for nonlinear, time-dependent phenomena, illustrated in the context of nonlinear internal waves (solitons). We take a Bayesian approach and leverage the finite element method to cast the statistical problem as a nonlinear Gaussian state–space model, updating the solution, in receipt of data, in…
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Ocean melting of the Zachariae Isstrom and Nioghalvfȷerdsfȷorden glaciers, northeast Greenland [Earth, Atmospheric, and Planetary Sciences]
Zachariae Isstrøm (ZI) and Nioghalvfjerdsfjorden (79N) are marine-terminating glaciers in northeast Greenland that hold an ice volume equivalent to a 1.1-m global sea level rise. ZI lost its floating ice shelf, sped up, retreated at 650 m/y, and experienced a 5-gigaton/y mass loss. Glacier 79N has been more stable despite…
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Quantifying and visualizing weak interactions between anions and proteins [Biophysics and Computational Biology]
The molecular properties of proteins are influenced by various ions present in the same solution. While site-specific strong interactions between multivalent metal ions and proteins are well characterized, the behavior of other ions that are only weakly interacting with proteins remains elusive. In the current study, using NMR spectroscopy, we…
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Diurnal rhythms across the human dorsal and ventral striatum [Neuroscience]
The human striatum can be subdivided into the caudate, putamen, and nucleus accumbens (NAc). Each of these structures have some overlapping and some distinct functions related to motor control, cognitive processing, motivation, and reward. Previously, we used a "time-of-death" approach to identify diurnal rhythms in RNA transcripts in human cortical…
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Cryoelectron microscopy structure and mechanism of the membrane-associated electron-bifurcating flavoprotein Fix/EtfABCX [Biochemistry]
The electron-transferring flavoprotein-menaquinone oxidoreductase ABCX (EtfABCX), also known as FixABCX for its role in nitrogen-fixing organisms, is a member of a family of electron-transferring flavoproteins that catalyze electron bifurcation. EtfABCX enables endergonic reduction of ferredoxin (E°′ ∼−450 mV) using NADH (E°′ −320 mV) as the electron donor by coupling this…
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Topographic connectivity reveals task-dependent retinotopic processing throughout the human brain [Psychological and Cognitive Sciences]
The human visual system is organized as a hierarchy of maps that share the topography of the retina. Known retinotopic maps have been identified using simple visual stimuli under strict fixation, conditions different from everyday vision which is active, dynamic, and complex. This means that it remains unknown how much…
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Gigantic vortical differential scattering as a monochromatic probe for multiscale chiral structures [Applied Physical Sciences]
Spin angular momentum of light is vital to investigate enantiomers characterized by circular dichroism (CD), widely adopted in biology, chemistry, and material science. However, to discriminate chiral materials with multiscale features, CD spectroscopy normally requires wavelength-swept laser sources as well as wavelength-specific optical accessories. Here, we experimentally demonstrate an orbital
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Distinct roles of adipose triglyceride lipase and hormone-sensitive lipase in the catabolism of triacylglycerol estolides [Biochemistry]
Branched esters of palmitic acid and hydroxy stearic acid are antiinflammatory and antidiabetic lipokines that belong to a family of fatty acid (FA) esters of hydroxy fatty acids (HFAs) called FAHFAs. FAHFAs themselves belong to oligomeric FA esters, known as estolides. Glycerol-bound FAHFAs in triacylglycerols (TAGs), named TAG estolides, serve…
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DeepTFactor: A deep learning-based tool for the prediction of transcription factors [Biophysics and Computational Biology]
A transcription factor (TF) is a sequence-specific DNA-binding protein that modulates the transcription of a set of particular genes, and thus regulates gene expression in the cell. TFs have commonly been predicted by analyzing sequence homology with the DNA-binding domains of TFs already characterized. Thus, TFs that do not show…
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Evolution toward beta common chain receptor usage links the matrix proteins of HIV-1 and its ancestors to human erythropoietin [Microbiology]
The HIV-1 matrix protein p17 (p17) is a pleiotropic molecule impacting on different cell types. Its interaction with many cellular proteins underlines the importance of the viral protein as a major determinant of human specific adaptation. We previously showed the proangiogenic capability of p17. Here, by integrating functional analysis and…
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Correction for Loerakker et al., Mechanosensitivity of Jagged-Notch signaling can induce a switch-type behavior in vascular homeostasis [Corrections]
BIOPHYSICS AND COMPUTATIONAL BIOLOGY, PHYSICS Correction for "Mechanosensitivity of Jagged–Notch signaling can induce a switch-type behavior in vascular homeostasis," by Sandra Loerakker, Oscar M. J. A. Stassen, Fleur M. ter Huurne, Marcelo Boareto, Carlijn V. C. Bouten, and Cecilia M. Sahlgren, which was first published April 2, 2018; 10.1073/pnas.1715277115 (Proc….
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Correction for Williams et al., Diffusioosmotic and convective flows induced by a nonelectrolyte concentration gradient [Corrections]
BIOPHYSICS AND COMPUTATIONAL BIOLOGY Correction for "Diffusioosmotic and convective flows induced by a nonelectrolyte concentration gradient," by Ian Williams, Sangyoon Lee, Azzurra Apriceno, Richard P. Sear, and Giuseppe Battaglia, which was first published September 28, 2020; 10.1073/pnas.2009072117 (Proc. Natl. Acad. Sci. U.S.A. 117, 25263–25271). The authors note that an additional…
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Correction for Langer and Le, Scaling confirmation of the thermodynamic dislocation theory [Corrections]
APPLIED PHYSICAL SCIENCES Correction for "Scaling confirmation of the thermodynamic dislocation theory," by J. S. Langer and K. C. Le, which was first published November 9, 2020; 10.1073/pnas.2018647117 (Proc. Natl. Acad. Sci. U.S.A. 117, 29431–29434). The authors note that the affiliation for K. C. Le should instead appear as two…
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PACAP is a pathogen-inducible resident antimicrobial neuropeptide affording rapid and contextual molecular host defense of the brain [Immunology and Inflammation]
Defense of the central nervous system (CNS) against infection must be accomplished without generation of potentially injurious immune cell-mediated or off-target inflammation which could impair key functions. As the CNS is an immune-privileged compartment, inducible innate defense mechanisms endogenous to the CNS likely play an essential role in this regard….
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Cellular transduction of mechanical oscillations in plants by the plasma-membrane mechanosensitive channel MSL10 [Plant Biology]
Plants spend most of their life oscillating around 1–3 Hz due to the effect of the wind. Therefore, stems and foliage experience repetitive mechanical stresses through these passive movements. However, the mechanism of the cellular perception and transduction of such recurring mechanical signals remains an open question. Multimeric protein complexes…
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On conservation laws in quantum mechanics [Physics]
We raise fundamental questions about the very meaning of conservation laws in quantum mechanics, and we argue that the standard way of defining conservation laws, while perfectly valid as far as it goes, misses essential features of nature and has to be revisited and extended.
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Tregs self-organize into a computing ecosystem and implement a sophisticated optimization algorithm for mediating immune response [Immunology and Inflammation]
Regulatory T cells (Tregs) play a crucial role in mediating immune response. Yet an algorithmic understanding of the role of Tregs in adaptive immunity remains lacking. Here, we present a biophysically realistic model of Treg-mediated self-tolerance in which Tregs bind to self-antigens and locally inhibit the proliferation of nearby activated…
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UFMylation inhibits the proinflammatory capacity of interferon-{gamma}-activated macrophages [Immunology and Inflammation]
Macrophages activated with interferon-γ (IFN-γ) in combination with other proinflammatory stimuli, such as lipopolysaccharide or tumor necrosis factor-α (TNF-α), respond with transcriptional and cellular changes that enhance clearance of intracellular pathogens at the risk of damaging tissues. IFN-γ effects must therefore be carefully balanced with inhibitory mechanisms to prevent immunopathology.
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Filling the gaps in the global prevalence map of clinical antimicrobial resistance [Social Sciences]
Surveillance is critical in containing globally increasing antimicrobial resistance (AMR). Affordable methodologies to prioritize AMR surveillance efforts are urgently needed, especially in low- and middle-income countries (LMICs), where resources are limited. While socioeconomic characteristics correlate with clinical AMR prevalence, this correlation has not yet been used to estimate AMR prevalen
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Two populations of self-maintaining monocyte-independent macrophages exist in adult epididymis and testis [Immunology and Inflammation]
Macrophages are the principal immune cells of the epididymis and testis, but their origins, heterogeneity, development, and maintenance are not well understood. Here, we describe distinct populations of epididymal and testicular macrophages that display an organ-specific cellular identity. Combining in vivo fate-mapping, chimeric and parabiotic mouse models with in-depth cellular…
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ROS and hypoxia signaling regulate periodic metabolic arousal during insect dormancy to coordinate glucose, amino acid, and lipid metabolism [Physiology]
Metabolic suppression is a hallmark of animal dormancy that promotes overall energy savings. Some diapausing insects and some mammalian hibernators have regular cyclic patterns of substantial metabolic depression alternating with periodic arousal where metabolic rates increase dramatically. Previous studies, largely in mammalian hibernators, have shown that periodic arousal is driven…
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Strong metal-metal Pauli repulsion leads to repulsive metallophilicity in closed-shell d8 and d10 organometallic complexes [Chemistry]
Metallophilicity is defined as the interaction among closed-shell metal centers, the origin of which remains controversial, particularly for the roles of spd orbital hybridization (mixing of the spd atomic orbitals of the metal atom in the molecular orbitals of metal complex) and the relativistic effect. Our studies reveal that at…
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Affinity of small-molecule solutes to hydrophobic, hydrophilic, and chemically patterned interfaces in aqueous solution [Chemistry]
Performance of membranes for water purification is highly influenced by the interactions of solvated species with membrane surfaces, including surface adsorption of solutes upon fouling. Current efforts toward fouling-resistant membranes often pursue surface hydrophilization, frequently motivated by macroscopic measures of hydrophilicity, because hydrophobicity is thought to increase solute–surfac
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Deep learning for in vivo near-infrared imaging [Biophysics and Computational Biology]
Detecting fluorescence in the second near-infrared window (NIR-II) up to ∼1,700 nm has emerged as a novel in vivo imaging modality with high spatial and temporal resolution through millimeter tissue depths. Imaging in the NIR-IIb window (1,500–1,700 nm) is the most effective one-photon approach to suppressing light scattering and maximizing…
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H. Jack Geiger, Doctor Who Fought Social Ills, Dies at 95
He used medicine to take on poverty, racism and the threat of nuclear destruction. Two groups he helped start won Nobel Peace Prizes.
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How to outsmart your COVID-19 fears and boost your mood in 2021
After a year of toxic stress ignited by so much fear and uncertainty, now is a good time to reset, pay attention to your mental health and develop some healthy ways to manage the pressures going forward. Brain science has led to some drug-free techniques that you can put to use right now. I am health psychologist who developed a method that harnesses our rip-roaring emotions to rapidly switch off
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13 tips, tricks, and projects to start 2021 off right
You may find this little seat has countless uses around your home. (Courtney Starr/) It's been a tumultuous year, but we've learned a lot. Here at PopSci DIY, we started 2020 happily testing methods of reheating pizza and ended it trying to figure out how to prevent our glasses from fogging up while we wore face masks. Stories like that weren't what we expected when we rang in 2020, but we hope t
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The evolution of single amyloid fibrils into microcrystals
Amyloids refer to abnormal fibrous extracellular and proteinaceous deposits found in organs and tissues that form insoluble constructs that are resistant to degradation. Their formation can accompany disease, where each disease is characterized by a specific protein or peptide aggregate. The nanomechanical properties of amyloid fibrils and nanocrystals depend on their secondary and quaternary stru
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The 'darkest days' of COVID-19 are still to come
We've still got a long way to go. (Unsplash /) Follow all of PopSci's COVID-19 coverage here , including the truth about herd immunity , advice for pregnant women , and a tutorial on making your own mask . Holiday travel is only about half what it was last year , but that means millions of people have traveled significant distances in the past couple of weeks despite the US being in the middle of
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Searching for invisible axion dark matter with a new multiple-cell cavity haloscope
Over the past few decades, many experimental physicists have been probing the existence of particles called axions, which would result from a specific mechanism that they think could explain the contradiction between theories and experiments describing a fundamental symmetry. This symmetry is associated with a matter-antimatter imbalance in the Universe, reflected in interactions between different
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VW Shows Off Futuristic Car Charging Robot Prototype
Bleep Bloop German carmaker Volkswagen has unveiled a working prototype of a robot that can autonomously charge electric cars. The company has had the idea for at least a year , but only now has VW shown off a working robot capable of charging a car. The Mobile Charging Robot is an adorable squat bot — which, when you get right down to it, is strikingly reminiscent of the R2-D2 droid from "Star W
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Periodic and phase-locked modulation in the pulsar PSR B1929+10 investigated with FAST
Using the Five-hundred-meter Aperture Spherical radio Telescope (FAST), astronomers from the Chinese Academy of Sciences (CAS) and elsewhere have conducted single-pulse observations of a pulsar known as PSR B1929+10. Results of the monitoring campaign shed more light on the periodic and phase-locked modulation in this source. The study was presented in a paper published December 18 on arXiv.org.
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Are Growing Pains a Real Thing?
Though the name is misleading, growing pains have been a known medical phenomenon in kids for 200 years. Here's what parents should know about diagnosing and treating the mysterious ailment.
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This Online Marketplace Specializes in Non Alcoholic Drinks That Don't Suck
It's no secret that alcohol consumption has many negative side effects. And if you're like a lot of people, at one point or another, you've probably considered going alcohol free. But when you chose to quit drinking , do you also have to give up everything you like about alcohol consumption? Does it mean you're stuck drinking tap water and Pepsi for the rest of your life? Does it mean an end to g
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The liverwort oil body is formed by redirection of the secretory pathway
Cells, the basic unit of life, are surrounded by a limiting membrane called the plasma membrane. Inside cells, there are various membrane-bounded organelles, each of which has various and distinctive functions. How these organelles, which individually boast different functions, have been developed during evolution remains unknown. This phenomenon has fascinated many researchers.
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The liverwort oil body is formed by redirection of the secretory pathway
Cells, the basic unit of life, are surrounded by a limiting membrane called the plasma membrane. Inside cells, there are various membrane-bounded organelles, each of which has various and distinctive functions. How these organelles, which individually boast different functions, have been developed during evolution remains unknown. This phenomenon has fascinated many researchers.
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Ford VP Throws Serious Shade at Tesla's Lack of Quality Control
Pure Shade In a recent interview with Autoblog , Ford VP Darren Palmer threw some serious shade at other electric car makers — and while he didn't mention Tesla verbatim, his comments are a shot straight across the bow at the Elon Musk-led carmaker, as Teslarati reports . "The doors fit properly, the plastics and other materials color-match, the bumpers don't fall off, the roof doesn't come off w
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Groups of bacteria can work together to better protect crops and improve their growth
Certain bacteria, known as plant-growth-promoting bacteria (PGPB), can improve plant health or protect them from pathogens and are used commercially to help crops. To further improve agricultural yields, it is helpful to identify factors that can improve PGPB behavior.
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Groups of bacteria can work together to better protect crops and improve their growth
Certain bacteria, known as plant-growth-promoting bacteria (PGPB), can improve plant health or protect them from pathogens and are used commercially to help crops. To further improve agricultural yields, it is helpful to identify factors that can improve PGPB behavior.
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Primordial black holes and the search for dark matter from the multiverse
The Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU) is home to many interdisciplinary projects which benefit from the synergy of a wide range of expertise available at the institute. One such project is the study of black holes that could have formed in the early universe, before stars and galaxies were born.
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High-speed atomic force microscopy takes on intrinsically disordered proteins
Our understanding of biological proteins does not always correlate with how common or important they are. Half of all proteins, molecules that play an integral role in cell processes, are intrinsically disordered, which means many of the standard techniques for probing biomolecules don't work on them. Now researchers at Kanazawa University in Japan have shown that their home-grown high-speed atomi
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Archaeologists create 3-D model of part of the Tepsei archaeological site
Archeologists from Kemerovo State University are exploring the Tepsei site of Minusinsk Basin, located in Krasnoturansky district (Krasnoyarsk region). Their research objective is to describe the culture and history of the site, covering over 27 square kilometers. The territory includes Mount Tepsei (630 m high) and the river valley below. The site has already revealed numerous archeological artif
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Study suggests link between word choices and extraverts
A study by a team of Nanyang Technological University, Singapore (NTU Singapore) psychologists has found a link between extraverts and their word choices.
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War on superbugs must follow defeat of Covid-19
World needs new antibiotics and action to keep existing ones effective
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New research makes strong case for restoring Hong Kong's lost oyster reefs
New research produced jointly by The Swire Institute of Marine Science (SWIMS), Faculty of Science, The University of Hong Kong (HKU), and The Nature Conservancy (TNC), published recently in the scientific journal Restoration Ecology, shows the enormous potential of restoring lost oyster reefs, bringing significant environmental benefits.
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Important milestone in the creation of a quantum computer
Quantum computer: One of the obstacles for progress in the quest for a working quantum computer has been that the working devices that go into a quantum computer and perform the actual calculations, the qubits, have hitherto been made by universities and in small numbers. But in recent years, a pan-European collaboration, in partnership with French microelectronics leader CEA-Leti, has been explor
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New research makes strong case for restoring Hong Kong's lost oyster reefs
New research produced jointly by The Swire Institute of Marine Science (SWIMS), Faculty of Science, The University of Hong Kong (HKU), and The Nature Conservancy (TNC), published recently in the scientific journal Restoration Ecology, shows the enormous potential of restoring lost oyster reefs, bringing significant environmental benefits.
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Erin Brockovich Blasts U.S. Regulation of Toxic Chemicals
The activist, made famous by Julia Roberts in an eponymous movie, rails against PFAS in drinking water — Read more on ScientificAmerican.com
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Novel method to quantify decomposition of rhizodeposits
Rhizodeposition of labile organic carbon is one of the main pathways linking above- and below-ground biota to affect soil carbon cycling. Rhizodeposition is also a strategic physiological process for plants to cope with environmental stress, such as nutrient deficiency and drought, via the interaction with microbes. Nevertheless, separating decomposition of rhizodeposit carbon from root respiratio
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Chinese astronomers discover 591 high-velocity stars with LAMOST and Gaia
A research team, led by astronomers from National Astronomical Observatories of Chinese Academy of Sciences (NAOC), has discovered 591 high velocity stars based on data from the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) and Gaia, and 43 of them can even escape from the Galaxy.
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New quantum nanodevice can simultaneously act as a heat engine and a refrigerator
A multitasking nanomachine that can act as a heat engine and a refrigerator at the same time has been created by RIKEN engineers. The device is one of the first to test how quantum effects, which govern the behavior of particles on the smallest scale, might one day be exploited to enhance the performance of nanotechnologies.
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Novel method to quantify decomposition of rhizodeposits
Rhizodeposition of labile organic carbon is one of the main pathways linking above- and below-ground biota to affect soil carbon cycling. Rhizodeposition is also a strategic physiological process for plants to cope with environmental stress, such as nutrient deficiency and drought, via the interaction with microbes. Nevertheless, separating decomposition of rhizodeposit carbon from root respiratio
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2020 var et vildt år for rumfart: Vi sendte tre missioner til Mars og landede på asteroide
USA forbereder sig på at sende mennesker til Mars, mens Kina leder efter liv.
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Groups of bacteria can work together to better protect crops and improve their growth
Certain bacteria, known as plant-growth-promoting bacteria (PGPB), can improve plant health or protect them from pathogens and are used commercially to help crops. To further improve agricultural yields, it is helpful to identify factors that can improve PGPB behavior.
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Did you solve it? The count reaches 'twenty, twenty-one'
The answers to today's puzzles Earlier today I set you three puzzles concerning the number 2021, which is the concatenation of two consecutive integers, 20 and 21. Before we get to the problems (and the answers), thanks to reader ConradKnightSocks for alerting me to the brilliant fact that 2021 is also the product of two consecutive prime numbers: 43 x 47. The last time this was the case was 1763
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Don't Let the Pandemic Stop Your Shots
Even as older adults await the coronavirus vaccine, many are skipping the standard ones. That's not wise, health experts say.
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Discovery about how cancer cells evade immune defenses inspires new treatment approach
Researchers have learned how chromosomal instability allows cancer cells to avoid immune defenses and metastasize (spread). The discovery opens up potential new avenues for treatment.
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Neurologists say there is no medical justification for police use of neck restraints
Some police departments in the United States continue to teach officers that neck restraints are a safe method for controlling agitated or aggressive people, but that's a dangerous myth, according to a Viewpoint written by three neurologists at Massachusetts General Hospital (MGH) in JAMA Neurology.
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Big bumblebees learn locations of best flowers
Big bumblebees take time to learn the locations of the best flowers, new research shows.
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Holiday Recipe: Banana Bread
Note: I've finally added a " Recipes" category , since there are quite a few of them floating around the blog over the years, so if you want to find all the kitchen-synthesis posts in one place, it's now possible! We just finished off a loaf of this not long ago around here; it's a recipe that my wife makes when we have overripe bananas (and since we have both our college-aged kids at home for no
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Big bumblebees learn locations of best flowers
Big bumblebees take time to learn the locations of the best flowers, new research shows.
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South Africa battles to control second Covid wave as cases top 1m
Infections surge feared to have been driven by behavioural change
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Neurologists say there is no medical justification for police use of neck restraints
A number of Americans have died during encounters with police officers who used chokeholds and other forms of neck restraint.Neurologist argue that some police departments justify use of these tactics with misleading language and that the use of neck restraints has no medical justification.
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Discovery about how cancer cells evade immune defenses inspires new treatment approach
Researchers at Memorial Sloan Kettering have learned how chromosomal instability allows cancer cells to avoid immune defenses and metastasize (spread). The discovery opens up potential new avenues for treatment.
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Colorful light reveals how worms get longer lives
Using colored light to turn gut bacteria genes on and off in the guts of worms clarifies how a metabolite extends their lifespan. Baylor College of Medicine researcher Meng Wang previously showed that bacteria that make a metabolite called colanic acid (CA) could extend the lifespan of worms in her lab by as much as 50%. Now, her collaboration with Rice University synthetic biologist Jeffrey Tabo
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Forest fires really do benefit spotted owls
It may seem counterintuitive, but forest fires are actually beneficial to spotted owls, according to a new study. The findings offer a follow-up to a 2018 paper in the journal Ecosphere , in which Derek Lee, associate professor of biology at Penn State, analyzed the results from every published scientific study about the effects of wildfire on the threatened birds. The earlier findings had import
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Quick look under the skin
Imaging techniques enable a detailed look inside an organism. But interpreting the data is time-consuming and requires a great deal of experience. Artificial neural networks open up new possibilities: They require just seconds to interpret whole-body scans of mice and to segment and depict the organs in colors, instead of in various shades of gray. This facilitates the analysis considerably.
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One psychedelic experience may lessen trauma of racial injustice
A single positive experience on a psychedelic drug may help reduce stress, depression and anxiety symptoms in Black, Indigenous and people of color whose encounters with racism have had lasting harm, a new study suggests.
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Astronaut Secretly Smuggled Human Remains to Space Station
Beam Me Up A space tourist who spent 12 days on board the International Space Station took with him some very unusual contraband: cremated remains of the late James Doohan, known for his role as Montgomery "Scotty" Scott on the original "Star Trek" TV series. According to new reporting by the Times of London , Richard Garriott, who was one of the first tourists to travel to the ISS back in 2008,
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Vaping could cloud your thoughts, new studies suggest
Both adults and kids who vape were more likely to report difficulty concentrating, remembering, or making decisions than their non-vaping, non-smoking peers on two annual national surveys. Survey results also suggest that kids were more likely to experience mental fog if they started vaping before the age of 14.
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Important milestone in the creation of a quantum computer
One of the obstacles for progress in the quest for a working quantum computer has been that the working devices that go into a quantum computer and perform the actual calculations, the qubits, have hitherto been made by universities and in small numbers. But in recent years, a pan-European collaboration has been exploring everyday transistors — that are present in billions in all our mobile phone
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Quick look under the skin
Imaging techniques enable a detailed look inside an organism. But interpreting the data is time-consuming and requires a great deal of experience. Artificial neural networks open up new possibilities: They require just seconds to interpret whole-body scans of mice and to segment and depict the organs in colors, instead of in various shades of gray. This facilitates the analysis considerably.
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Carbon capture: Faster, greener way of producing carbon spheres
A fast, green and one-step method for producing porous carbon spheres, which are a vital component for carbon capture technology and for new ways of storing renewable energy, has been developed. The method produces spheres that have good capacity for carbon capture, and it works effectively at a large scale.
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Music-induced emotions can be predicted from brain scans
Researchers have discovered what type of neural mechanisms are the basis for emotional responses to music. Altogether 102 research subjects listened to music that evokes emotions while their brain function was scanned with functional magnetic resonance imaging (fMRI).
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Extremely energy efficient microprocessor developed using superconductors
Researchers from Yokohama National University in Japan have developed a prototype microprocessor using superconductor devices that are about 80 times more energy efficient than the state-of-the-art semiconductor devices found in the microprocessors of today's high-performance computing systems.
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Faster, greener way of producing carbon spheres
A fast, green and one-step method for producing porous carbon spheres, which are a vital component for carbon capture technology and for new ways of storing renewable energy, has been developed by Swansea University researchers.
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Mechanisms and plasticity of chemogenically induced interneuronal suppression of principal cells [Neuroscience]
How do firing patterns in a cortical circuit change when inhibitory neurons are excited? We virally expressed an excitatory designer receptor exclusively activated by a designer drug (Gq-DREADD) in all inhibitory interneuron types of the CA1 region of the hippocampus in the rat. While clozapine N-oxide (CNO) activation of interneurons…
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New studies suggest vaping could cloud your thoughts
Both adults and kids who vape were more likely to report difficulty concentrating, remembering, or making decisions than their non-vaping, non-smoking peers on two annual national surveys. Survey results, which were analyzed by a team of URMC researchers, also suggest that kids were more likely to experience mental fog if they started vaping before the age of 14.
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The liverwort oil body is formed by redirection of the secretory pathway
In the study published in Nature Communications , the evolutionary relationship between two different organelles in liverwort cells has been revealed: the cell plate, which divides cells during cell division, and the oil body, which is a reservoir for various chemical substances.
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The evolving role of platelet-rich plasma (PRP) in plastic surgery
Platelet-rich plasma (PRP) treatment, which involves injecting a small amount of a patient's own blood to release various growth factors from platelets, continues to increase in popularity. The American Society of Plastic Surgeons has tracked the procedure since 2015 and reports a 25 percent increase in cosmetic PRP use in the last four years.
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Primordial black holes and the search for dark matter from the multiverse
Astronomers are studying black holes that could have formed in the early universe, before stars and galaxies were born. Such primordial black holes (PBHs) could account for all or part of dark matter, be responsible for some of the observed gravitational waves signals, and seed supermassive black holes found in the center of our Galaxy and other galaxies.
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Discovery boosts theory that life on Earth arose from RNA-DNA mix
Chemists have made a discovery that supports a surprising new view of how life originated on our planet. They demonstrated that a simple compound called diamidophosphate (DAP), which was plausibly present on Earth before life arose, could have chemically knitted together tiny DNA building blocks called deoxynucleosides into strands of primordial DNA.
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Study suggests link between word choices and extraverts
Psychologists have found a link between extraverts and their word choices.
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High-speed atomic force microscopy takes on intrinsically disordered proteins
A pioneering high-speed atomic force microscope technology has now shed light on the structure and dynamics of some of life's most ubiquitous and inscrutable molecules – intrinsically disordered proteins.
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Chemists develop a new drug discovery strategy for 'undruggable' drug targets
A research team has developed a new drug discovery method targeting membrane proteins on live cells.
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Switching DNA functions on and off by means of light
Biochemists have developed a new strategy for controlling the biological functions of DNA (deoxyribonucleic acid) by means of light and therefore provide a tool to investigate processes which take place in cells.
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Do toddlers learning to spoon-feed seek different information from caregivers' hands and faces?
When toddlers begin to use a spoon to eat by themselves, what kind of interactions facilitate this behavior? To find out, an international research collaboration investigated the interactions between toddlers and their caregivers during mealtimes at a daycare center in Japan.
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Report finds holes in U.S. policies on foreign influence in research
Findings likely to fuel more oversight by Congress; agencies defend practices
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Quick look under the skin
Imaging techniques enable a detailed look inside an organism. But interpreting the data is time-consuming and requires a great deal of experience. Artificial neural networks open up new possibilities: They require just seconds to interpret whole-body scans of mice and to segment and depict the organs in colors, instead of in various shades of gray. This facilitates the analysis considerably.
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Industry collaboration leads to important milestone in the creation of a quantum computer
One of the obstacles for progress in the quest for a working quantum computer has been that the working devices that go into a quantum computer and perform the actual calculations, the qubits, have hitherto been made by universities and in small numbers. But in recent years, a pan-European collaboration, in partnership with French microelectronics leader CEA-Leti, has been exploring everyday trans
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Heart transplantations: prospects of success increase with larger case volumes
The survival probabilities for patients undergoing surgery are higher in hospitals where heart transplants are performed more frequently.
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Music-induced emotions can be predicted from brain scans
Researchers at the University of Turku have discovered what type of neural mechanisms are the basis for emotional responses to music. Altogether 102 research subjects listened to music that evokes emotions while their brain function was scanned with functional magnetic resonance imaging (fMRI). The study was carried out in the national PET Centre.
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Korean "Artificial Sun" Fusion Reactor Sets New World Record
Hot Hot Hot South Korea's fusion reactor set a new world record this week, maintaining temperatures of over 100 million degrees, hotter than the core of the Sun, for 20 seconds. That's twice as long as the previously record. The team behind the Korea Superconducting Tokamak Advanced Research (KSTAR) pulled it off with help from Seoul National University and Columbia University. Director Si-Woo Yo
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High-speed atomic force microscopy takes on intrinsically disordered proteins
A pioneering high-speed atomic force microscope technology has now shed light on the structure and dynamics of some of life's most ubiquitous and inscrutable molecules – intrinsically disordered proteins.
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Chemists develop a new drug discovery strategy for 'undruggable' drug targets
A research team has developed a new drug discovery method targeting membrane proteins on live cells.
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Switching DNA functions on and off by means of light
Biochemists have developed a new strategy for controlling the biological functions of DNA (deoxyribonucleic acid) by means of light and therefore provide a tool to investigate processes which take place in cells.
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New research makes strong case for restoring Hong Kong's lost oyster reefs
New research shows the enormous potential of restoring lost oyster reefs, bringing significant environmental benefits.
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Grief and loss of mothers cut primate lives short
Offspring born in the last four years before a female primate's death are more likely to die at a young age, before their mother dies, research finds. If these kids make it, the negative effects of losing their mother will reach across generations, lessening the survival of their future children as well. Researchers used data collected across decades from seven species of primates from multiple r
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Insomniacs' Brains Might Be Wired Differently
Insomnia seems to be reaching historic highs a year into the pandemic. Science suggests that some people may be more susceptible than others.
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That dried-out Christmas tree is a fire hazard
Dried-up Christmas trees present a fire hazard if they're in your home, garage, or nearby outside, an expert advises. "Firs, spruce, pine, cedar, and other Christmas tree types all contain a resin that is flammable, especially once the tree has dried out," says Karen Stafford, Texas A&M University Forest Service Fire Prevention Program coordinator. " Live trees in the home present a certain amoun
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New IBM Research Means We Could Soon Train Neural Networks on a Smartphone
The neural networks that power today's AI are incredibly powerful, but training them can require entire server farms and huge amounts of energy. A new approach from IBM suggest s we may be able to slash that dramatically by reducing the number of bits used to carry out their calculations. Bits are the most basic units of information in a computer and can exist in one of two states—1 or 0, on or o
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Faster, greener way of producing carbon spheres
A fast, green and one-step method for producing porous carbon spheres, which are a vital component for carbon capture technology and for new ways of storing renewable energy, has been developed by Swansea University researchers.The method produces spheres that have good capacity for carbon capture, and it works effectively at a large scale.
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Chemists and collaborators develop a new drug discovery strategy for "undruggable" drug targets
A research team led by Dr. Xiaoyu Li from the Research Division for Chemistry, Faculty of Science, in collaboration with Professor Yizhou Li from School of Pharmaceutical Sciences, Chongqing University and Professor Yan Cao from School of Pharmacy, Second Military Medical University in Shanghai has developed a new drug discovery method targeting membrane proteins on live cells.
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Chemists and collaborators develop a new drug discovery strategy for "undruggable" drug targets
A research team led by Dr. Xiaoyu Li from the Research Division for Chemistry, Faculty of Science, in collaboration with Professor Yizhou Li from School of Pharmaceutical Sciences, Chongqing University and Professor Yan Cao from School of Pharmacy, Second Military Medical University in Shanghai has developed a new drug discovery method targeting membrane proteins on live cells.
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New research makes strong case for restoring Hong Kong's lost oyster reefs
New research produced jointly by The Swire Institute of Marine Science (SWIMS), Faculty of Science, The University of Hong Kong (HKU), and The Nature Conservancy (TNC), published recently in the scientific journal Restoration Ecology , shows the enormous potential of restoring lost oyster reefs, bringing significant environmental benefits.
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HKU chemists develop a new drug discovery strategy for "undruggable" drug targets
A research team led by Dr Xiaoyu LI from the Research Division for Chemistry, Faculty of Science, in collaboration with Professor Yizhou LI from School of Pharmaceutical Sciences, Chongqing University and Professor Yan CAO from School of Pharmacy, Second Military Medical University in Shanghai has developed a new drug discovery method targeting membrane proteins on live cells.
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Switching DNA functions on and off by means of light
Biochemists at Münster University have developed a new strategy for controlling the biological functions of DNA (deoxyribonucleic acid) by means of light and therefore provide a tool to investigate processes which take place in cells. The results have been published in the journal Angewandte Chemie .
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Second Taiwan-born panda cub makes media debut
A second Taiwan-born giant panda made her media debut on Monday, clambering over a wooden climbing frame and playing with sawdust to the sound of clicking cameras.
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Second Taiwan-born panda cub makes media debut
A second Taiwan-born giant panda made her media debut on Monday, clambering over a wooden climbing frame and playing with sawdust to the sound of clicking cameras.
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Meet the Team Racing to Break the World's Land-Speed Record in a Jet-Powered Car
More fighter jet than car, the Bloodhound LSR will need to reach 800 miles per hour as it rides the highway to the danger zone
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Discovery boosts theory that life on Earth arose from RNA-DNA mix
Chemists at Scripps Research have made a discovery that supports a surprising new view of how life originated on our planet.
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High-speed atomic force microscopy takes on intrinsically disordered proteins
Kanazawa University's pioneering high-speed atomic force microscope technology has now shed light on the structure and dynamics of some of life's most ubiquitous and inscrutable molecules – intrinsically disordered proteins. The study is reported in Nature Nanotechnology .
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Do toddlers learning to spoon-feed seek different information from caregivers' hands & faces?
When toddlers begin to use a spoon to eat by themselves, what kind of interactions facilitate this behavior? To find out, an international research collaboration led by Kobe University's Professor NONAKA Tetsushi and the University of Minnesota's Professor Thomas A. Stoffregen investigated the interactions between toddlers and their caregivers during mealtimes at a daycare center in Japan.
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Discovery boosts theory that life on Earth arose from RNA-DNA mix
Chemists at Scripps Research have made a discovery that supports a surprising new view of how life originated on our planet. In a study published in the chemistry journal Angewandte Chemie , they demonstrated that a simple compound called diamidophosphate (DAP), which was plausibly present on Earth before life arose, could have chemically knitted together tiny DNA building blocks called deoxynucle
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Model used to evaluate lockdowns was flawed
In a recent study, researchers from Imperial College London developed a model to assess the effect of different measures used to curb the spread of the coronavirus. However, the model had fundamental shortcomings and cannot be used to draw the published conclusions, claim Swedish researchers from Lund University, and other institutions, in the journal Nature .
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Scientists find out how nutrition affects the recovery of patients after cardiac surgery
Scientists from St Petersburg University have found out how eating habits of patients affect theirrecovery after cardiac surgery. People with valvular heart disease have appeared to be at risk.
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Novavax launches late-stage Covid vaccine trial in US
Inoculation does not require ultra-cold temperatures of BioNTech/Pfizer's jab
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Spørg Fagfolket: Kan jeg spritte mit mundbind af efter brug og genbruge det?
Flere læsere spørger til afspritning og vask af mundbind, så det kan genbruges. Er det en god idé?
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The LG Wing's Swiveling Screen Proves Phones Can Be Fun Again
This experimental Android phone has a screen that rotates, exposing a second, smaller screen underneath.
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This Year I Found Pleasure in the Work of Looking
Among the misery and isolation of 2020, my secret Instagram became a portal to solace and a newer self.
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A Complete Guide to Birds, the Reason We Dream and Other New Science Books
Recommendations from the editors of Scientific American — Read more on ScientificAmerican.com
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Primordial black holes and the search for dark matter from the multiverse
In their paper, the team described a novel scenario for primordial black hole (PBH) formation and showed that the black holes from the "multiverse" scenario can be found using the Hyper Suprime-Cam (HSC) of the 8.2m Subaru Telescope, a gigantic digital camera–the management of which Kavli IPMU has played a crucial role–near the 4,200 meter summit of Mt. Mauna Kea in Hawaii.
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