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nyheder2019december27

Encore: How Kids React To Beards And How It Changes With Age

A new study shows that young children have a negative reaction to beards, but that changes as they get older.

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The 2020s Will Bring Massive Change. Why Society Might Not Be Ready.

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Women with single dose of HPV vaccine gain similar protection as multiple doses

A new study revealed that one dose of the HPV vaccine may prevent infection from the potential cancer-causing virus, according to new research.

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Using deep learning to predict disease-associated mutations

A research team implemented a robust deep learning approach to predict disease-associated mutations of the metal-binding sites in a protein. This is the first deep learning approach for the prediction of disease-associated metal-relevant site mutations in metalloproteins, providing a new platform to tackle human diseases.

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Scientists: Total Transition to Clean Energy Possible by 2050

New Plan Scientists figured out a way to completely transition 143 countries to clean energy sources by 2050. The aggressive plan could cut global power demand by more than half within 30 years using mostly existing technology, according to ScienceAlert — a crucial step toward preventing the most catastrophic impacts of climate change. Scary Cost The plan, published in the journal One Earth last

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On nitroglycerin, cardiovascular homeostasis and…bam, migraine!

Researchers in Leiden, The Netherlands, found an exaggerated cardiovascular response to nitroglycerin infusion in migraine patients, suggesting an elevated systemic sensitivity to this compound in this population. Also, corroborating previous studies, nitroglycerin was shown to be a consistent migraine-provoking substance.

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Pyridoxal-5'-phosphate-dependent bifunctional enzyme catalyzed biosynthesis of indolizidine alkaloids in fungi [Microbiology]

Indolizidine alkaloids such as anticancer drugs vinblastine and vincristine are exceptionally attractive due to their widespread occurrence, prominent bioactivity, complex structure, and sophisticated involvement in the chemical defense for the producing organisms. However, the versatility of the indolizidine alkaloid biosynthesis remains incompletely addressed since the knowledge about such biosy

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A rapid and label-free platform for virus capture and identification from clinical samples [Applied Biological Sciences]

Emerging and reemerging viruses are responsible for a number of recent epidemic outbreaks. A crucial step in predicting and controlling outbreaks is the timely and accurate characterization of emerging virus strains. We present a portable microfluidic platform containing carbon nanotube arrays with differential filtration porosity for the rapid enrichment and…

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Direct visualization of degradation microcompartments at the ER membrane [Cell Biology]

To promote the biochemical reactions of life, cells can compartmentalize molecular interaction partners together within separated non–membrane-bound regions. It is unknown whether this strategy is used to facilitate protein degradation at specific locations within the cell. Leveraging in situ cryo-electron tomography to image the native molecular landscape of the unicellular…

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Deterministic actin waves as generators of cell polarization cues [Biophysics and Computational Biology]

Dendritic cells "patrol" the human body to detect pathogens. In their search, dendritic cells perform a random walk by amoeboid migration. The efficiency of pathogen detection depends on the properties of the random walk. It is not known how the dendritic cells control these properties. Here, we quantify dendritic cell…

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Neurons differentiate magnitude and location of mechanical stimuli [Biophysics and Computational Biology]

Neuronal activity can be modulated by mechanical stimuli. To study this phenomenon quantitatively, we mechanically stimulated rat cortical neurons by shear stress and local indentation. Neurons show 2 distinct responses, classified as transient and sustained. Transient responses display fast kinetics, similar to spontaneous neuronal activity, whereas sustained responses last several…

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Multimodal transcriptional control of pattern formation in embryonic development [Developmental Biology]

Predicting how interactions between transcription factors and regulatory DNA sequence dictate rates of transcription and, ultimately, drive developmental outcomes remains an open challenge in physical biology. Using stripe 2 of the even-skipped gene in Drosophila embryos as a case study, we dissect the regulatory forces underpinning a key step along…

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Hybrid histidine kinase activation by cyclic di-GMP-mediated domain liberation [Biophysics and Computational Biology]

Cytosolic hybrid histidine kinases (HHKs) constitute major signaling nodes that control various biological processes, but their input signals and how these are processed are largely unknown. In Caulobacter crescentus, the HHK ShkA is essential for accurate timing of the G1-S cell cycle transition and is regulated by the corresponding increase…

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Cystic fibrosis carriers are at increased risk for a wide range of cystic fibrosis-related conditions [Genetics]

Autosomal recessive diseases, such as cystic fibrosis (CF), require inheritance of 2 mutated genes. However, some studies indicate that CF carriers are at increased risk for some conditions associated with CF. These investigations focused on single conditions and included small numbers of subjects. Our goal was to determine whether CF…

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Revisiting the tumorigenesis timeline with a data-driven generative model [Biophysics and Computational Biology]

Cancer is driven by the sequential accumulation of genetic and epigenetic changes in oncogenes and tumor suppressor genes. The timing of these events is not well understood. Moreover, it is currently unknown why the same driver gene change appears as an early event in some cancer types and as a…

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As Betelgeuse Dims Dramatically, Astronomers Scratch Their Heads

One of the night sky's brightest stars is now the faintest it's been in a century. Astronomers aren't sure what it means.

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China Successfully Launches Powerful Long March 5 Rocket

Long March 5 On Friday, China successfully launched a Long March 5 Yaosan rocket from Hainan, an island off the nation's southern coast. The first March 5 rocket launched in 2016, but an attempt to launch another in July 2017 ended mid-launch when the rocket's first stage engines failed, sending its payload into the ocean. This successful launch puts China back on track to meet its future goals f

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New Species of Ancient Human Found in Philippines

#17 in our top science stories of 2019.

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Two UK companies confident of nuclear fusion breakthrough

Both groups have set ambitious goal of delivering working reactor by 2030

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DNA tests can't tell you your race

A Spanish-American family photographed in New Mexico in 1940. Today, they'd be categorized as Latinx, even if their origins are more complex. (Russell Lee/Farm Security Administration/Office of War/) It's always a mess when Latinx folks take DNA tests . Things go alright, until we get to the "ancestry" portion, which some commercial genetic tests label as "ethnicity." People who identify as Latin

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The Atlantic Politics Daily: The 2016 Campaign Cycle Is Still Going

It's Friday, December 27. In today's newsletter: What we learned in the year that was. Plus: Why are American campaign cycles so interminable? Like Congress, this newsletter team is taking a breather until the new year (though if there's breaking news you need to know about, we'll be back in your inboxes). — Shan Wang * « THE DECADE IN POLITICS » These are just a few of the most enduring images o

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Hunters are Working With Scientists to Save the World's Rarest Turtle

In Vietnam, hunters nearly drove one of the world's largest freshwater turtles to extinction. Now scientists are turning to hunters for knowledge that could help bring it back from the brink.

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Why An Agile Anchovy Isn't Able To Escape A Ponderous Whale

Scientists used field recordings from humpback whales and laboratory experiments with anchovies to determine how the ponderous whale manages to catch the agile anchovy. The answer is timing.

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Mozambique Is Racing To Adapt To Climate Change. The Weather Is Winning

Two major cyclones and a prolonged drought in 2019 are a reminder that Mozambique's residents are on the front lines of climate change. And they do not have all the resources they need. (Image credit: NicholeSobecki/VII for NPR)

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YouTube Calls Mass Deletion of Cryptocurrency Videos a Mistake

CTRL-Z Earlier this week, YouTube deleted hundreds of videos from several dozen cryptocurrency-focused channels. YouTube has since restored the videos, with a spokesperson telling Gizmodo that the deletion was a mistake — but the entire situation raises questions about how YouTube moderates its platform and decides what's allowed on it. Whoopsie Before taking the videos down, YouTube mistakenly f

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How ants walking backward find their way home

Insects can recognize scenery forward and backward

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People Keep Mistaking SpaceX's Satellites for Alien Spacecraft

UFO Train in the Sky Locals in several small towns in Montana recently reported sightings of "strange lights" in the night sky to news outlets, prompting local authorities to have to explain that the lights were satellites launched by space company SpaceX — and not UFOs visiting Earth, as Gizmodo reports . So far, SpaceX has launched 120 satellites as part of its broadband-internet-beaming Starli

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Editing Out HIV Using CRISPR Technology

#18 in our top science stories of 2019.

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Automation may be coming for your job, report says

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Interstellar Civilizations & Time – Isaac Arthur

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China launches powerful rocket in boost for 2020 Mars mission

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Robots in Finance Could Wipe Out Some of Its Highest-Paying Jobs

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Part of the trucking industry is already becoming fully automated

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Liquid windows and the energy-efficient buildings of tomorrow

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Survey: Majority says there's no 'God spot' in the brain

Nonbelievers are more likely than the faithful to think a "God spot" in the brain determines whether someone is hardwired to be religious, according to new research. The study builds on significant literature about neurotheology, or the connection between religion and the mind. "One of the new frontiers of the science and faith interface has to do with the brain and understanding what the public

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Brain tumor organoids hint at how to best treat glioblastoma

Lab-grown brain tumor organoids developed from a patient's own glioblastoma, the most aggressive and common form of brain cancer, may hold the answers on how to best treat it, researchers report. A new study in Cell shows how glioblastoma organoids could serve as effective models to rapidly test personalized treatment strategies. Glioblastoma multiforme (GBM) remains the most difficult of all bra

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Pentagon Urges Military Members to Skip At-Home DNA Tests

High-ranking Pentagon officials have asked members of the military to stop using consumer DNA tests, such as 23andMe or Ancestry, as they are a potential threat to national security. On Monday, Yahoo News reported that it had obtained a copy of a memo signed by two top military officials — Joseph Kernan, undersecretary of defense for intelligence, and James Stewart, assistant secretary of defense

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These 'super puff' planets have the same density as cotton candy

Improbably fluffy alien worlds may hide behind thick layers of clouds. (NASA, ESA, and L. Hustak, J. Olmsted, D. Player and F. Summers (STScI)/) With each new alien planet discovered, the astronomical catalog of bizarre worlds and systems swells. "Hot Jupiters" huddle closer to their host stars than Mercury. " Circumbinary " planets circle two stars at once. One "super earth" is blanketed in a la

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The best draft blockers for keeping in the heat

Keep the heat in and the cold out. (Amazon/) If you live in a drafty home or apartment, turning up your thermostat won't save you from feeling an icy cold blast. Replacing doors and windows can be expensive, and if you rent, it's not even an option. Fortunately, there's a solution to this common problem that doesn't involve masking tape and rolled-up bath towels. Get a quality draft stopper and s

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Mussels show some animals can adapt to climate change

A new study with mussels shows how some species could adapt to acidifying oceans as climate change accelerates. Researchers found that mussels raised in an acidic experimental environment grew smaller shells than those grown at normal levels, but the overall survival rate of mussels grown under both conditions was the same. The surviving population in the acidic environment differed genetically f

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Five kitchen essentials for a vegan and vegetarian lifestyle

You really don't need to eat meat. (Hermes Rivera via Unsplash/) Whether you're ditching meat for ethical, environmental , or health reasons , you'll be happy to know eating plant-based is easier than ever before. Yes, there are ample vegan convenience food options, but in order to have the most positive impact on the planet and your health, you'll want to cook most of your meals at home. Thus, i

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Fido's Human Age Gets New Estimates

By comparing how DNA gets altered over the lifetimes of people and dogs, researchers came up with a new way to compare canine years to human years.

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Japan's Radioactive Water Will Go Into the Ocean or Atmosphere

Bad Ideas Officials overseeing the crumbled remains of Japan's Fukushima Daiichi Nuclear Power plant have a growing problem: they're running out of space to store its radioactive water . In September, Japan said it might be forced to dump the contaminated water into the ocean. That is quickly becoming more likely, as Korean newspaper The Hankyoreh now reports that the only options on the table ar

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The Math Reading Challenge 2020

Twelve prompts to help you find mathematics-related books for the coming year — Read more on ScientificAmerican.com

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Kurt Vonnegut on 8 'shapes' of stories

Kurt Vonnegut wrote a master's thesis on the shapes of stories that he submitted to the anthropology department at the University of Chicago, which rejected it. The late Indiana-born author said it was his "prettiest contribution" to the culture. Vonnegut half-jokingly defended his "scientific" approach to literary criticism over his career, but noted that great stories can't be easily plotted on

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Your Bed Sheets Are Brimming With Bacteria. But This Specially Designed Bedding Can Help.

You're supposed to wash your bed sheets and pillowcases at least once every couple of weeks. And your bathroom towels should be washed even more often. And that's the minimum. So if you're not hitting those numbers, chances are your bedroom and bathroom are prime real estate for millions of unwanted microscopic roommates. But luckily, thanks to Miracle bed sheets, pillow cases, and towels , there

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Be a better person in 2020

What's 2020 going to be like? No one can be sure, so all you can do is try your best. (Aaron_Amat via Depositphotos/) The new year is upon us, and many of you may be pretty happy to put 2019 in the rearview. But that's exactly why it's important to start 2020 off right, with the best intentions to kick off a better year as a better you. During the past 12 months, PopSci's DIY section has featured

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You Can Now Buy a Knockoff Cybertruck for $10,800

Knockoff Cybertruck You might not have to wait until 2021 to get your hands on a Tesla Cybertruck — or something like it , anyways. The Russian YouTubers behind the channel Pushka's Garage have converted an old VAZ 2109 angular hatchback into a knockoff Tesla Cybertruck, stainless steel "exoskeleton" and all. While the team claims to have put only $1,300 into the project, they're now selling it f

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I år kom 'biodiversitet' på alles læber – men hvad går det egentlig ud på?

Vi står midt i en biodiversitetskrise, fordi arter får udryddet deres levesteder, siger forsker.

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Austin ranks 13th in vulnerable metro areas for automation

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Tokyo aims for zero greenhouse-gas emissions

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San Diego startup shows off first slaughter-free yellowtail fish

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The Military Is Unprepared for Nuclear Strikes on Satellites

Space Nukes The United States military is hunting for a way to scrub space clean of radioactivity. While it sounds like an unusual priority, the ability could be crucial to the success of future military space missions, Science Magazine reports . That's because the radiation from a nuclear blast in space could readily and indiscriminately disable critical satellites in orbit, so the military is r

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NASA finds heavy rain potential in tropical storm Sarai

NASA analyzed the cloud top temperatures in Tropical Storm Sarai using infrared light to determine the strength of the storm. Sarai has triggered warnings for Fiji and Tonga in the Southern Pacific Ocean,

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Fido's Human Age Gets New Estimates

By comparing how DNA gets altered over the lifetimes of people and dogs, researchers came up with a new way to compare canine years to human years. — Read more on ScientificAmerican.com

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The Coolest (and Scariest) Military Tech of 2019

PUTTING ASIDE our personal feelings on the nature of war and what it is or isn't good for, the fact is that it's a terrible reality of life. It's also, often, where technological development advances at several paces beyond every other sector even remotely like it. These are some of literature's best (and most dystopian) ideas, fully realized. And 2019 especially boasted some of the most mind-ben

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Does Drinking Caffeine Help Stop Hunger Cravings?

Fighting afternoon cravings with a shot of espresso could produce mixed results.

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Proton therapy as effective as standard radiation with fewer side effects

Cancer patients who receive high-tech proton therapy experience similar cure rates and fewer serious side effects compared with those who undergo traditional X-ray radiation therapy, according to a study led by Washington University School of Medicine in St. Louis and the Perelman School of Medicine at the University of Pennsylvania.

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Severity of autism symptoms varies greatly among identical twins

Identical twins with autism spectrum disorder (ASD) often experience large differences in symptom severity even though they share the same DNA, according to an analysis funded by the National Institutes of Health. The findings suggest that identifying the causes of this variability may inform the treatment of ASD-related symptoms.

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NASA finds heavy rain potential in tropical storm Sarai

NASA analyzed the cloud top temperatures in Tropical Storm Sarai using infrared light to determine the strength of the storm. Sarai has triggered warnings for Fiji and Tonga in the Southern Pacific Ocean,

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Fido's Human Age Gets New Estimates

By comparing how DNA gets altered over the lifetimes of people and dogs, researchers came up with a new way to compare canine years to human years. — Read more on ScientificAmerican.com

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Pet dogs in childhood may cut schizophrenia risk

Being around dogs from an early age may lessen the chance of developing schizophrenia as an adult, according to a new study. And while Fido may help prevent the condition, the jury is still out on whether or not there's any link, positive or negative, between being raised with Fluffy the cat and later developing either schizophrenia or bipolar disorder. "Serious psychiatric disorders have been as

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Detecting Small Bits of Space Junk With Laser Ranging Telescopes

Researchers found a new way of using lasers to find space junk in a way similar to how bats use echolocation to track their prey.

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Nurse and doctor burnout demands 'bold' fixes

Health care providers continuously need to do more with fewer resources to help sick patients. That leads to clinician burnout, experts warn. This fall, the National Academy of Medicine released a new report on the topic, Taking Action Against Clinician Burnout: A Systems Approach to Professional Well-Being , bringing forth evidence-based recommendations for addressing the problem in the future.

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LEGO Bricks Are Excellent Insulators at Cryogenic Temps

Cool LEGO A team of physicists at Lancaster University in the United Kingdom recently cooled a handful of LEGO bricks to a couple of millidegrees above absolute zero, which is -273.15 degrees Celsius (-459.67 degrees Fahrenheit). They found that, thanks to their special shape and composition, the plastic toy bricks were excellent insulators — and could even be helpful in the development of quantu

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8 logical fallacies that are hard to spot

A fallacy is the use of invalid or faulty reasoning in an argument. There are two broad types of logical fallacies: formal and informal. A formal fallacy describes a flaw in the construction of a deductive argument, while an informal fallacy describes an error in reasoning. None In arguments, few things are more frustrating than when you realize that someone is using bad logic, but you can't quit

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Just five excellent science books you should read

Expand your mind. (Dollar Gill via Unsplash/) Fans of nonfiction enjoy diving into the infinite, intricate worlds that exist on our planet and beyond. A good science book, in particular, can provide a new framework to better understand life—not to mention bring you ample conversation topics for your next party. Below, five science book recommendations for smart people with a range of interests. A

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Get an in-home water filtration system and never buy another plastic water bottle

Drink up. (Imani via Unsplash/) If chlorine or fluoride makes your tap water taste funky, please opt for a water filter rather than bottle after bottle of spring H2O. Water filtration systems help you actually drink enough water—80 percent of Americans are not!—without any single-use plastic. Here are a few options filtration systems worth checking out: They last for around 6 months. (Amazon/) Fa

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2019 Was Big for Academic Publishing. Here's Our Year in Review

Licensing negotiations between libraries and publishers continued, a radical open-access plan made changes, and the flaws of some publishing tools and techniques came to light.

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Meet the Rowers: John Peterson | The Impossible Row | Episode 9

John Peterson is a school principal with twenty years rowing experience and a silver medal at the National Championship. He admits his fears but feels ready for that once-in-a-lifetime chance to set a world record. Stream More Episodes of The Impossible Row: https://go.discovery.com/tv-shows/the-impossible-row/ About The Impossible Row: The Drake Passage is the most dangerous 600 miles of open oc

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Despite Climate Change Health Threats, Few Medical Schools Teach It

Heat, mosquito-borne diseases and air pollution are medical issues that should be viewed through a climate lens, advocates say — Read more on ScientificAmerican.com

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New insights into the earliest events of seed germination

Plant seeds may strike the casual observer as unspectacular—but they have properties that are nothing short of superpowers. In a dry state they can store their energy for years and then suddenly release it for germination when environmental conditions are favourable. One striking example is the "super bloom" in Death Valley National Park, when seeds that have endured the dry and hot desert for dec

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New insights into the earliest events of seed germination

Plant seeds may strike the casual observer as unspectacular—but they have properties that are nothing short of superpowers. In a dry state they can store their energy for years and then suddenly release it for germination when environmental conditions are favourable. One striking example is the "super bloom" in Death Valley National Park, when seeds that have endured the dry and hot desert for dec

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Snowmageddon warnings in North America come from tropics more than Arctic stratosphere

Winter weather patterns in North America are dictated by changes to the polar vortex winds high in the atmosphere, but the most significant cold snaps are more likely influenced by the tropics, scientists have found.

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The Most Mind-Blowing Space Stories of the 2010s

NOT SINCE THE APOLLO ERA has a single decade been witness to more progress in finding answers for moving humanity towards the deepest reaches of the cosmos — until this one. Where we once took steps to see our pale blue dot from afar, we now run sprints. Where we once saw two sides in a race defined by governments and separated by land, today's players are titans of industry, defined by their vis

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Russia Becomes First Nation with an Operational Hypersonic Weapon

War Sometimes Changes Russia just revealed that its hypersonic weapon — the Avangard — is now operational, making it the first military in possession of a new class of nuclear weapon against which other militaries currently cannot defend . The United States and Russia have been working on hypersonic weapons for years, and the news that either country has built one — especially before figuring out

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Using deep learning to predict disease-associated mutations

During the past years, artificial intelligence (AI)—the capability of a machine to mimic human behavior—has become a key player in high-tech areas like drug development projects. AI tools help scientists to uncover the secret behind the big biological data using optimized computational algorithms. AI methods such as deep neural network improves decision making in biological and chemical applicatio

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One map to translate them all

Google lets you translate text into one language at a time. This translator shows you one word in all languages – on one handy map. It's simple, instructive, and fun (a.k.a. móka , Spaß and zábava ). Whose booze? The optimist expects the best, the pessimist fears the worst, the realist is prepared for all eventualities. So here's what you do when that bus full of tourists from all over Europe bre

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Video: Which of these mushrooms could kill you?

There are tens of thousands of mushroom species out there, and some of them could kill you. Today we're going to test how well you can separate the perfectly safe from the perilously poisonous, and we'll dive into the chemistry behind what makes seemingly identical species so different.

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Using deep learning to predict disease-associated mutations

During the past years, artificial intelligence (AI)—the capability of a machine to mimic human behavior—has become a key player in high-tech areas like drug development projects. AI tools help scientists to uncover the secret behind the big biological data using optimized computational algorithms. AI methods such as deep neural network improves decision making in biological and chemical applicatio

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Evolution: A revelatory relationship

A new study of the ecology of an enigmatic group of novel unicellular organisms by scientists from Ludwig-Maximilians-Universitaet (LMU) in Munich supports the idea hydrogen played an important role in the evolution of Eukaryota, the first nucleated cells.

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Diet has rapid effects on sperm quality

Sperm are influenced by diet, and the effects arise rapidly. This is the conclusion of a study by researchers at Linköping University, in which healthy young men were fed a diet rich in sugar. The study, which has been published in PLOS Biology, gives new insight into the function of sperm, and may in the long term contribute to new diagnostic methods to measure sperm quality.

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Evolution: A revelatory relationship

A new study of the ecology of an enigmatic group of novel unicellular organisms by scientists from Ludwig-Maximilians-Universitaet (LMU) in Munich supports the idea hydrogen played an important role in the evolution of Eukaryota, the first nucleated cells.

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Diet has rapid effects on sperm quality

Sperm are influenced by diet, and the effects arise rapidly. This is the conclusion of a study by researchers at Linköping University, in which healthy young men were fed a diet rich in sugar. The study, which has been published in PLOS Biology, gives new insight into the function of sperm, and may in the long term contribute to new diagnostic methods to measure sperm quality.

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Chimpanzees Sway, Clap Their Hands When They Hear Music

While the chimps didn't match the beat, it's an indication they respond instinctively to sounds.

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Collective memory already held by major social networks should be made available for scientific research

SUMMARY: The major social networks, forums and widely used mobile apps now contain at least 8-10 years (or more) of collective human memories…this is more human memory than has ever been gathered in known history. This data should be made available to qualified scientists for research. With such a vast archive of recorded human memories, scientists could test theories and discover more about hu

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3D Printing Is Going to Reshape Retail in These 4 Ways

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Women with single dose of HPV vaccine gain similar protection as multiple doses

A new study revealed that one dose of the HPV vaccine may prevent infection from the potential cancer-causing virus, according to research published in JAMA Network Open from The University of Texas Health Science Center at Houston (UTHealth).

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Surprise: Ancient Inuit Mummy Scans Reveal Possible Heart Disease

Trio of 500-year-old mummies may have had atherosclerosis despite fishy diet.

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The 50 Best Podcasts of 2019

The scales have finally tipped: As of 2019, more than half of all teens and adults in the U.S. have listened to at least one podcast, according to one consumer survey . It has been a time of tremendous growth for the medium. This year, the industry welcomed new streaming services, such as Luminary and Spotify, the latter of which acquired Gimlet. Companies including Sonos and Sony sponsored or cr

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Evolution: Revelatory relationship

A new study of the ecology of an enigmatic group of novel unicellular organisms supports the idea hydrogen played an important role in the evolution of Eukaryota, the first nucleated cells.

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NASA finds an elongated Phanfone now a tropical storm

NASA-NOAA's Suomi NPP satellite provided a visible image of Phanfone as it continues moving through the South China Sea. Visible imagery showed that the storm is less organized and elongated as the storm weakened from a typhoon to a tropical storm.

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Boeing's Starliner hiccup could delay US plans for crewed spaceflight

A problem with Boeing's Starliner spacecraft prevented it from visiting the ISS on its first flight to space

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2019 was a transition period for smartphones

2019 was the year of the square camera array. (Stan Horaczek /) In the first part of 2019, it seemed like people were starting to catch on to the fact that smartphones don't require an upgrade every year. According to the International Data Corporation , smartphone sales fell year-over-year in the first quarter of 2019, continuing a downward trend from the last quarter of 2018. By the end of the

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New insights into the earliest events of seed germination

Plant seeds can store their energy in a dry state for years, only to suddenly release it and germinate. How is energy in the seed made available? How can energy metabolism be started early and efficiently? An international team of researchers has discovered that thiol redox switches play a key role in kick-starting the energy metabolism.

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Volkswagen Unveils Robot That Autonomously Charges Electric Cars

Charging Buddy German automaker Volkswagen has unveiled a robot that can autonomously charge your electric car without the need for any human interaction — you just summon it to your vehicle via an app. The adorable robot can simultaneously charge multiple vehicles inside the same parking garage by hooking up a mobile battery pack to each car and then retrieving the pack once the car is charged.

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Rolls-Royce to launch all-electric plane in 2020

The electric aircraft industry is just starting to get off the ground, with Siemens breaking the world record for the fastest electric aircraft in 2017. With ACCEL (Accelerating the Electrification of Flight), Rolls-Royce intends to beat that record in the spring of 2020. While these are existing developments, the field of electric aviation has significant challenges to face before we can expect

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PastCast: The Quantum Theory

Nature, Published online: 27 December 2019; doi:10.1038/d41586-019-03787-8 In the Nature PastCast series, we delve into the archives to tell the stories behind some of Nature's biggest papers.

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Book: Stalin's backfiring diplomacy led to the Iron Curtain

Many historians consider the division of Europe in the aftermath of World War II inevitable, because, they believe, Soviet leader Josef Stalin was eager for communism to sweep the continent. But historian Norman Naimark disagrees. Stalin didn't plan to have an Iron Curtain descend across Europe, says Naimark, professor in Eastern European studies at Stanford University. Instead, the Soviet premie

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Editor's Picks: The Futurism Team's 10 Favorite Tech and Science Stories of 2019

ANOTHER YEAR in the books, and with it, we're putting the lid on a hell of a volume around here — figuratively and literally. As of this writing in early December, a total of (give or take a few) 3,204 stories have been published to Futurism , The Byte , and Neoscope in 2019. We also broke more than a few of our own readership records along the way. But sometimes, as it happens in publishing, you

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NASA finds an elongated Phanfone now a tropical storm

NASA-NOAA's Suomi NPP satellite provided a visible image of Phanfone as it continues moving through the South China Sea. Visible imagery showed that the storm is less organized and elongated as the storm weakened from a typhoon to a tropical storm.

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China launches powerful rocket in boost for 2020 Mars mission

China Friday launched one of the world's most powerful rockets in a major step forward for its planned mission to Mars in 2020.

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Conservationists are ignoring climate change, risking mass extinctions

Efforts to save many endangered animals from extinction are doomed to fail as conservationists are not taking climate change into account

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Hundreds flee lowlands as Cyclone Sarai sweeps past Fiji

Tropical Cyclone Sarai barrelled off the coast of Fiji early Saturday, forcing hundreds of residents to move to higher ground ahead of possible flooding.

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Secrets of Germany's 'Alcatraz' virus island revealed

On a Baltic Sea island once used by the Nazis for biological weapon research, German scientists are developing virus vaccines that could save lives.

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Secrets of Germany's 'Alcatraz' virus island revealed

On a Baltic Sea island once used by the Nazis for biological weapon research, German scientists are developing virus vaccines that could save lives.

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The best tech of the last decade

Waving goodbye to the 2010s from a private rocket in flight. (Katie Belloff/) In science and technology, there are moments, and there are movements. An iPhone with a trypophobia-triggering camera ? That's a moment. An app that live streams a protest from the streets to the entire world? That's a movement. Every year, the Popular Science staff looks back on the previous 12 months to identify the 1

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The Books Briefing: All the Books We Loved This Year

Writing (and reading, for that matter) is often a way of taking stock—making sense of life's tangled plotlines and inconclusive endings. And while many of the year's best books blew apart storytelling conventions, they also pieced together a clearer picture of painful and confusing moments, both national and personal. Carmen Maria Machado told the wrenching story of her experience in an abusive r

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Proton therapy for cancer cuts radiation side effects

Proton therapy for cancer patients significantly lowers risk of side effects so severe they can lead to unplanned hospitalizations when compared with traditional radiation, a new study shows. Further, cure rates between the two groups are almost identical. The findings come from an expanded analysis of the largest review of its kind designed to evaluate whether or not patients undergoing radiatio

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Snowmageddon warnings in North America come from tropics more than Arctic stratosphere

Scientists conducted the first ever study to identify how the four main winter weather patterns in the US and Canada behave depending on the strength of the stratospheric polar vortex. They found a strong connection with three of the patterns, but that the coldest conditions may be influenced more by the tropics.

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A Harebrained Scheme to Sell Christmas Trees on the Streets of New York

Every week, The Friendship Files features a conversation between The Atlantic' s Julie Beck and two or more friends, exploring the history and significance of their relationship. This week she talks with a group of friends about the holiday season more than 30 years ago when they bought a bunch of Christmas trees in New Hampshire and drove them down to New York City, thinking they could join the

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This Cave Contains the Oldest Story Ever Recorded

Archaeologists say the 43,900-year-old cave painting might also include the oldest known religious images.

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3D Printing Is Going to Reshape Retail in These 4 Ways

Forget costly prototypes, traditional textile manufacturing, product recalls, and the like. 3D printing is about to turn the entire retail industry on its head. A precise form of additive manufacturing, 3D printing can create a product from almost any material at mass scale, generating large quantities while individually tailoring each product to consumers. In this final "Future of Retail" blog,

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Prosecco destroys hills and 8 other weird facts we learned in 2019

From the chunkiest T. rex to the magnetism of the entire universe, here are the strangest, most amazing facts the New Scientist team learned this year

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Migrationens rörelser

Migrationen i världen är mer omfattande än någonsin. Denna sajt bygger på massor av data om dessa globala rörelser.

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Njutningsmedlens historia

Följ forskare från fyra länder när de kartlägger floden av njutningsmedel som gjorde sitt intåg i Europa med början under 1600-talet.

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För den interstellära resenären

"Ett planeringsverktyg för optimister och hoppfulla resenärer" är överskriften för ett verktyg där du kan fylla i parametrar och få uträkningar av vad en resa nära ljusets hastighet skulle ge för restider och relativistisk tidsförkortning. Låt dig inte avskräckas av den föråldrade webbdesignen.

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Väl optimistiskt om mat mot depression

Edward Bullmores bok Den inflammerade hjärnan som nu kommit i svensk översättning, är en lättläst genomgång av forskningen kring huruvida inflammationer rent biologiskt skulle kunna påverka hjärnan och orsaka depression. Teorin har ett visst stöd i vetenskapen, och om den verkligen stämmer skulle det på sikt kunna öppna upp för helt nya behandlingar av psykisk ohälsa – ett område där forskningen h

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När tiden blev en

År 1879 fick Sverige en enhetlig tid. Tidigare hade man lokal tid som grundade sig på att klockan var 12 när solen stod som allra högst. Trots att Sverige inte har så lång öst-västlig utsträckning så skiljde sig tiden en hel del – 24 minuter mellan Stockholms och Göteborgs lokala tid till exempel. Det säger sig själv att det blev svårt att göra tågtidtabeller med så många olika lokala tidszoner. O

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Vackert och skrämmande om väder

Denna vackra fotobok ger exempel på olika väderfenomen, i deras mest extrema former. Några av dem är bara vackra, som bilderna på ovanliga molnformationer. Andra är fascinerande, med rekordboksliknande fakta som de största vågorna, de mest dramatiska temperaturändringarna! (57 grader från ena dagen till nästa, det är imponerande.) Men detta är också en bok om skrämmande och dödliga oväder: om stor

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Gediget och känslosamt om Alfred Nobel

1 | Du har gjort grundlig research i arkiv i fem länder och läst Nobels "oceaner av brev". Har det varit mycket jobb i arkiven? – Ja, och det har varit spännande. Jag trodde inte att jag kunde komma ett 150 år gammalt skeende så nära som jag faktiskt gjorde. Jag har arbetat på boken i tre och ett halvt år.

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Förorten – en annan värld

Okunskapen om den så kallade segregerade förorten har länge varit stor. I enkätundersökningar är svarsfrekvensen i regel mycket låg och resultaten därför osäkra. Nu har en grupp statsvetare i Göteborg under flera år gjort en riktad studie av förorterna Bergsjön och Hjällbo i Göteborg . Peter Esaiasson, professor i statsvetenskap vid Göteborgs universitet, har själv deltagit i materialinsamlingen p

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Varför bara en producent av litium?

Svar: Det är upp till de enskilda läkemedelsföretagen att besluta om ifall de vill marknadsföra sina produkter i Sverige. Därför finns ibland bara en produkt av en viss läkemedelsgrupp. Läkemedelsverket eller andra myndigheter kan inte tvinga producenter att tillhandahålla sina produkter i Sverige. I fallet litium har endast en producent valt att marknadsföra sitt läkemedel i Sverige.

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Så funkar tryckkabinen

Klicka för att ladda ner grafiken som pdf.

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Barn på landet mindre stressade

Svar: Din teori stöds åtminstone delvis av forskning kring hälsoskillnader mellan stad och landsbygd. Trots att stadsmiljöer innebär många fördelar för människor – rikt kulturellt utbud, tillgång till hälsovård och ekonomiska möjligheter – finns det också forskning som visar på nackdelar. Exempelvis har forskning använt ny hjärnavbildningsteknik för att mäta stress och kunnat visa en ökad sårbarhe

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Oklart om kvantgravitation

Svar: Beskrivningen av gravitation som en konsekvens av partikelutbyte är en alternativ beskrivning som inte konkurrerar med Einsteins teori. Snarare skulle de två teorierna komplettera varandra. En färdig teori om gravitoner finns dock inte än – det är något som fysikerna fortfarande försöker utarbeta.

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Är 5G skadligt för hälsan?

Svar: Sedan mobiltelefoni introducerades på 1980-talet har teknologin vidareutvecklats och nya tillämpningar av trådlös kommunikation har tillkommit. Nu börjar man installera femte generationen trådlös kommunikation (5G). Den kommer delvis att använda samma frekvensområden som tidigare generationer, men också högre frekvenser. Ibland misstolkas "högre frekvenser" som att det betyder "högre exponer

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Ny sorts svart hål

Många svarta hål upptäcks för att de drar åt sig material från en närliggande stjärna, som då hettas upp och sänder ut stark röntgenstrålning. Nu har forskare upptäckt ett "osynligt" svart hål som bildar ett par tillsammans med en jättestjärna. Det upptäcktes genom dess effekt på stjärnans rörelse. Det svarta hålet hör till ett outforskat massintervall mellan neutronstjärnorna, som inte kan vara m

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Bildades strontium i rymdkrocken?

2017 upptäcktes för första gången två neutronstjärnor som kolliderade med varandra. Sådana krockar anses vara källan till många av grundämnena omkring oss. Nu hävdar en forskargrupp att de har skymtat spår av ett grundämne som kan ha bildats i smällen.

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Klassiska experiment: Hur Berzelius vägde atomerna

1. Daltons Atomteori I början av 1800-talet lade engelsmannen John Dalton (1766–1844) fram sin idé om att materia är uppbyggd av atomer. Alla atomer av ett grundämne är identiska, menade han, och de kombineras alltid i bestämda proportioner när de förenas till nya ämnen. 2. Experimentalisten När den svenske kemisten Jacob Berzelius (1779–1848) läste om Daltons atomteori tog han genast till sig den

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100 havsnejonögon kvar

En fiskart som funnits i över 400 miljoner år håller på att försvinna från Sverige, konstaterar länsstyrelserna i Halland, Västra Götaland och Skåne efter årets inventering av havsnejonöga. Bara 100 lekmogna individer verkar finnas kvar längs den svenska Västkusten. Det är en kraftig minskning sedan 2008, då de uppskattades vara 500–1 000. Misstänkta orsaker till havsnejonögonens krasch är vandrin

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Plast behövs även i en hållbar framtid

Plastindustin är extremt fossilberoende, dels eftersom råvaran ofta är olja, dels eftersom det krävs mycket energi för att slå sönder oljan på molekylnivå och framställa plast. Därmed är det en riskfylld bransch att investera i. Det är budskapet i en rapport från Lunds universitet och IVL Svenska Miljöinstitutet, som riktas till finansbranschen. − Men plast behövs också i en hållbar framtid, så pl

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Listan: Andel av befolkningen i allvarlig materiell fattigdom år 2018

Luxemburg* 1,2 Sverige 1,6 Nederländerna 2,4 Finland 2,8 Tjeckien 2,8 Österrike 2,8 Malta 3 Tyskland 3,1 Danmark 3,4 Slovenien 3,7

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Följa John

För 480 miljoner år sedan levde trilobiter av släktet Ampyx i nuvarande Marocko. Några av dem verkar ha förflyttat sig i prydlig procession när de begravdes i sediment under en storm. Detta och liknande fossil tyder på att redan mycket tidiga djur kunde agera i grupp. Källa: Scientific Reports

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Så för vi Linnés arv vidare

Det är Nobeltider, den tid på året då vetenskapen får stå i centrum. Liksom bildningen. Vad passar väl då bättre än att läsa en riktigt mustig biografi över Carl von Linné? Denne fascinerande man som verkar ha intresserat sig för det mesta och alltid sökt nyttan i allt. Han som ville se, förstå och inordna hela världen i ett system – till gagn för samhället. Boken rekommenderas varmt till alla med

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Flexible polymer could power future pacemakers non-stop

Researchers have increased the electrical output of a flexible polymer. What started out as a project that the Reserve Bank of Australia commissioned as a detection mechanism for counterfeit notes fast turned into potential for unexpected positive outcomes. Amanda Ellis, a professor in the chemical engineering department at the University of Melbourne, says the polymer could become an energy tran

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The Decade in Dumbasses: The Idiots, Morons, and Rubes Who Made the 2010s Insufferable

CONGRATULATIONS ARE in order. We survived to the end of the decade! And if the people detailed in the story you're about to read have their way, it'll be one of the last decades anyone survives at all. Look: It feels like the last ten years has been an endless onslaught by people who are so willfully-ignorant of science, so regressive and backwards, and so unimpeded by the ethics of discovery and

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Evolution: Revelatory relationship

A new study of the ecology of an enigmatic group of novel unicellular organisms by scientists from Ludwig-Maximilians-Universitaet (LMU) in Munich supports the idea hydrogen played an important role in the evolution of Eukaryota, the first nucleated cells.

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Diet has rapid effects on sperm quality

Sperm are influenced by diet, and the effects arise rapidly. This is the conclusion of a study by researchers at Linköping University, in which healthy young men were fed a diet rich in sugar. The study, which has been published in PLOS Biology, gives new insight into the function of sperm, and may in the long term contribute to new diagnostic methods to measure sperm quality.

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MRI predict intelligence levels in children?

A group of researchers from the Skoltech Center for Computational and Data-Intensive Science and Engineering (CDISE) took 4th place in the international MRI-based adolescent intelligence prediction competition. For the first time ever, the Skoltech scientists used ensemble methods based on deep learning 3D networks to deal with this challenging prediction task. The results of their study were publ

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Tyrkisk militær får drone med maskingevær, der kan skyde præcist

En quadrocopter-drone på 25 kilogram udstyret med maskingevær bliver et af tyrkernes nye våben på slagmarken.

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Elastic kirigami patch for electromyographic analysis of the palm muscle during baseball pitching

Surface electromyography (sEMG) is widely used to investigate human motion including athletic performance. Baseball pitchers require very precise movements to pitch the ball to the strike zone, where the palm muscle plays a key role during movement. Recording the sEMG from the palm can help analyze motion during baseball pitching, however, currently available devices are bulky with rigid electrode

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Baidu Takes AI Crown, Achieves New Level of Language Understanding

submitted by /u/izumi3682 [link] [comments]

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Archaeologists discover remains of vast Mayan palace in Mexico

Ancient building found 100 miles west of Cancùn estimated to be more than 1,000 years old Archaeologists in Mexico have uncovered the remains of a vast Mayan palace over 1,000 years old in an ancient city about 100 miles west of the tourist hotspot of Cancún. The building in Kulubá is 55 metres long, 15 metres wide and six metres high, and appears to have been made up of six rooms, said Mexico's

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Twelve Fascinating Finds Revealed in 2019

The list includes a sorceress' kit, a forgotten settlement, a Renaissance masterpiece and a 1,700-year-old egg

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Se Kinas kæmpe-raket stryge ud i rummet

Alt forløb efter planen, da Kina sendte Shijian-20-satellitten i kredsløb med landets største raket, Long March 5.

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New insights into the earliest events of seed germination

Plant seeds can store their energy in a dry state for years, only to suddenly release it and germinate. How is energy in the seed made available? How can energy metabolism be started early and efficiently? An international team of researchers led by the University of Münster (Germany) has discovered that thiol redox switches play a key role in kick-starting the energy metabolism. The study has bee

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Children born preterm are more likely to be placed outside the home

Children born prematurely, i.e. before week 37, are more likely to be placed outside the home as a supportive child welfare measure than their full-term counterparts, according to a population study conducted by the Finnish Institute for Health and Welfare (THL).

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Using deep learning to predict disease-associated mutations

A research team led by Professor Hongzhe Sun from the Department of Chemistry at HKU, implemented a robust deep learning approach to predict disease-associated mutations of the metal-binding sites in a protein. This is the first deep learning approach for the prediction of disease-associated metal-relevant site mutations in metalloproteins, providing a new platform to tackle human diseases. The re

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Targeting cholesterol metabolism in macrophages to eliminate viral infection

A new study published in Immunity now provides important new information. WANG Hongyan's team from the Center for Excellence in Molecular and Cellular Science, Institute of Biochemistry and Cell Biology of the Chinese Academy of Sciences (CAS), in collaboration with Prof. WEI Bin at Shanghai University (the former PI of the Wuhan Institute of Virology of CAS), screened expression levels of multipl

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Researchers identify new therapeutic target for colorectal cancer

Researchers at the University of Toronto have identified a key protein that supports the growth of many colorectal cancers. The study, which will be published Dec. 27 in the Journal of Cell Biology, reveals that a protein called Importin-11 transports the cancer-causing protein βcatenin into the nucleus of colon cancer cells, where it can drive cell proliferation. Inhibiting this transport step co

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Injection of virus-delivered gene silencer blocks ALS degeneration, saves motor function

Novel spinal therapy/delivery approach prevented disease onset in neurodegenerative ALS disease model in adult mice and blocked progression in animals already showing disease symptoms.

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Researchers map malaria parasites proliferating in human blood cells

Malaria parasites transform healthy red blood cells into rigid versions of themselves that clump together, hindering the transportation of oxygen. The infectious disease affects more than 200 million people across the world and causes nearly half a million deaths every year, according to the World Health Organization's 2018 report on malaria. Until now, however, researchers did not have a strong u

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The 7 Best Albums of 2019

From Solange to Billie Eilish to Tyler the Creator, these are the most resonant albums of the year.

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The Two Myths of the Internet

The 2010s began with one story about the political power of technology. It ended with another. Both were wrong.

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Without 'mind bomb' protein, adenovirus infection fails

Researchers have discovered a protein that enables adenoviruses to infect human cells. The protein gives the virus the signal to uncoat its DNA and release it into the nucleus. Blocking this protein could help people with weakened immune systems fight dangerous viruses. When viruses invade a cell, they can infiltrate the nucleus with their genome and become part of the genome of the infected orga

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Deep eclipses detected in the cataclysmic variable J0130

Russian astronomer Valery Kozhevnikov has conducted photometric observations of the cataclysmic variable (CV) IPHAS J013031.89+622132.3 (J0130 for short), finding that the object exhibits deep eclipses. The discovery, presented in a paper published December 17 on arXiv.org, could provide more clues on the nature of this CV.

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Calculating the time it will take spacecraft to find their way to other star systems

A pair of researchers, one with the Max Planck Institute for Astronomy, the other with the Jet Propulsion Laboratory at CIT, has found a way to estimate how long it will take already launched space vehicles to arrive at other star systems. The pair, Coryn Bailer-Jones and Davide Farnocchia have written a paper describing their findings and have uploaded it to the arXiv preprint server.

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Exoplanets with magma oceans may 'eat' their own skies

A new study suggests a reason why exoplanets rarely grow larger than Neptune: the planets' magma oceans begin to eat their skies. In 2014, NASA's Kepler Space Telescope handed scientists a smorgasbord of more than 700 brand-new distant planets to study—many of them unlike what anyone had previously seen. Instead of gas giants like Jupiter, which earlier surveys had picked up first because they ar

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Mapping the Remains of Supernovae

A new tool provides detailed, 3-D chemical view of exploded star systems — Read more on ScientificAmerican.com

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Undersøgelse: Algoritmer har svært ved at genkende afroamerikanske og asiatiske ansigter

Algoritmer til ansigtsgenkendelse er langt mindre præcise til at identificere mennesker med asiatisk eller afroamerikansk baggrund end mennesker med lys hud.

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How sales shopping is killing the planet

Christmas has passed and New Year is just around the corner. And the sales continue. Things started six weeks before Christmas with Singles Day, which began in China and is now the world's biggest shopping day. This was followed by Black Friday, Cyber Monday sale, the pre-Christmas sales and now the period of post-Christmas or New Year sales. Soon it will be time for Valentine's Day sales, Easter

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De-wrinkle your clothes with these powerful irons

No wrinkles, no crinkles. (MRF via Unsplash /) Ironing is an unavoidable part of life. Most natural fabrics, like cotton and linens, wrinkle much faster than synthetics and wools, often leaving you with the eyesore of a creased outfit or puckered curtains. Fortunately, with the right iron in hand, it takes mere seconds to make a huge improvement in the presentation of your clothes or drapes. Grab

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Nine things you love that are being wrecked by climate change

There are so many stories flying around about the horrors already being wrought by climate change, you're probably struggling to keep up.

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A 'pivotal' moment for understanding whale evolution

Scientists could soon better investigate the feeding behaviors of extinct dolphin and whale species. A third year student at Japan's Nagoya University has found that the range of motion offered by the joint between the head and neck in modern-day cetaceans, a group of marine mammals that also includes porpoises, accurately reflects how they feed. The authors of the study, published in the Journal

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A 'pivotal' moment for understanding whale evolution

Scientists could soon better investigate the feeding behaviors of extinct dolphin and whale species. A third year student at Japan's Nagoya University has found that the range of motion offered by the joint between the head and neck in modern-day cetaceans, a group of marine mammals that also includes porpoises, accurately reflects how they feed. The authors of the study, published in the Journal

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Expert examines the models of political troll farms before they potentially target western democracies

A new report published by the NATO Strategic Communications Center of Excellence examines the four models of "fake news" factories employed in the political battlegrounds of the Philippines in an effort to understand this social media phenomenon as the trolls stand ready to export their services to a more global clientele, with the potential to disrupt and influence western democratic elections.

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New insight into how dividing cells control the separation of their dna

A study published today in the journal eLife has shown that a protein called Astrin is important for the timely and even separation of chromosomes during cell division.

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New insight into how dividing cells control the separation of their dna

A study published today in the journal eLife has shown that a protein called Astrin is important for the timely and even separation of chromosomes during cell division.

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Forces from Earth's spin may spark earthquakes and volcanic eruptions at Mount Etna

New research suggests forces pulling on Earth's surface as the planet spins may trigger earthquakes and eruptions at volcanoes.

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Waiting for Betelgeuse: what's up with the tempestuous star?

Have you noticed that Orion the Hunter—one of the most iconic and familiar of the wintertime constellations—is looking a little… different as of late? The culprit is its upper shoulder star Alpha Orionis, aka Betelgeuse, which is looking markedly faint, the faintest it has been for the 21st century.

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Her er de spektakulære forudsigelser, der floppede fuldstændigt

PLUS. Tag med på en lille rundtur i de teknologiske forud­sigelsers raritetskabinet.

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Sådan lød forudsigelserne for 2010'erne: Hjernebølger og fake news

PLUS. Tidsskriftet Nature bad i sin første udgave i 2010 en række forskere forudsige udviklingen frem mod 2020. Her er et udpluk af deres spådomme, samt enkelte fra The Guardian og The Telegraph.

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Playing with old phones teaches children good habits, and reflects our bad ones back at us

Screens are everywhere, including in the palms of our hands. Children see how much time we adults spend on our smartphones, and therefore how much we seem to value these devices—and they want to be a part of it.

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Device splits and recombines superconducting electron pairs

A device that can separate and recombine pairs of electrons may offer a way to study an unusual form of superconductivity, according to RIKEN physicists. This superconducting state would involve exotic particles called Majorana fermions that could prove useful in developing quantum computers.

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Meet the wannabe kidfluencers struggling for stardom

Millions of viewers flock to watch the biggest names on YouTube. But not everyone can be an online video hit.

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Small microplastics no longer slip through the cracks with novel method for detection

The exceptional properties of plastics, such as their chemical, light- and temperature-resistance, in combination with the low cost and ease of manufacturing have rendered them into one of the most popular and widely used materials over the last decades. The widespread use of plastics in everyday life has triggered an increasing global production, unfortunately also accompanied by a significant ac

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Technique to recover phosphorus from urine

Phosphorus, number 15 on the periodic table, can be highly toxic and flammable and has been used in warfare as an incendiary device, yet it is also essential for life.

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The 2000s Never Ended

Of the many things worth arguing about in America, the number of years that comprise a decade is probably not among them. The word quite literally means "10 years." But consider historical time, often referred to in decade-based shorthand, and all of a sudden the clear concept of a decade gets blurrier. Most decades in America have a corresponding social and cultural narrative that's an uneasy fi

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Play this bingo game with your kids to teach them about AI

Designed at MIT and tested by kids ages 9 through 14, it builds off research that shows how exposing kids to technology fosters their interest in STEM.

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Teens are all obsessed with social media? Not so much.

Meet the young people who stay offline and hear why they're doing it.

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What I learned from studying billions of words of online fan fiction

Fanfic used to be a joke—now it's teaching kids important skills like learning how to write.

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Video games: scourge or savior?

For the past four decades our writers have explored whether video games are a plague upon our youth or the key to the future of education and computing.

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Why an internet that never forgets is especially bad for young people

As past identities become stickier for those entering adulthood, it's not just individuals who will suffer. Society will too.

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Does keeping kids offline breach their human rights?

Children are making the case for a smarter, safer approach to technology—but they need adults to make it happen.

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Should colleges really be putting smart speakers in dorms?

Administrators say installing listening devices like Alexa in student bedrooms and hallways could help lower dropout rates. Not everyone agrees.

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#6: How psychedelics work: Fire the conductor, let the orchestra play | Top 10 2019

Big Think's #6 most popular video of 2019 explains the ego's "location" in the brain: It would be the default mode network, where much of your self-critical mind chatter happens. Taking psychedelics down-regulates this brain network. Researchers describe the effect of psychedelics as "letting the brain off its leash", or firing the conductor to let the orchestra play. Without the default mode net

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How NIST Tested Facial-Recognition Algorithms for Racial Bias

Some algorithms were up to 100 times better at identifying white faces — Read more on ScientificAmerican.com

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The Decade That YouTube Changed TV

In the last 10 years, traditional celebs have begun clamoring for a spot on the erstwhile cat video haven, even as it's churned out stars of its own.

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12 Best After-Christmas Sales (2019): Amazon, REI, GameStop, Best Buy, and More

Our favorite post-Christmas deals on outdoor and home tech, videogames, tax software, and more.

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How NIST Tested Facial-Recognition Algorithms for Racial Bias

Some algorithms were up to 100 times better at identifying white faces — Read more on ScientificAmerican.com

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Banedanmark lukker vigtig pendlerstrækning i otte måneder

I yderligere tre måneder næste år kommer der ingen tog mellem Ringsted og Næstved. Samtidig er den alternative strækning på grund af signalskandalen ikke klar, så pendlerne skal skifte til S-tog. Simpelthen for åndssvagt, siger ordfører.

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Keep an Eye on These 2020 Conservation Issues

From disappearing kelp to small hydropower dams, experts identify the trends that will affect the Earth's ecosystems — Read more on ScientificAmerican.com

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Development of ultrathin durable membrane for efficient oil and water separation

Researchers led by Professor Matsuyama Hideto and Professor Yoshioka Tomohisa at Kobe University's Research Center for Membrane and Film Technology have succeeded in developing an ultrathin membrane with a fouling-resistant silica surface treatment for high performance separation of oil from water. Furthermore, this membrane was shown to be versatile; it was able to separate water from a wide vari

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Complete filling of batches of nanopipettes

Researchers at Kanazawa University report in Analytical Chemistry an efficient method for filling a batch of nanopipettes with a pore opening below 10 nanometers. The method is based on the application of a temperature gradient to the nanopipette tips so that residual air bubbles are driven out.

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German fireworks sales fizzle on climate anxiety

Pyrotechnic-mad Germany loves to see in the New Year with a bang but concerns about climate change have prompted several major retailers to take fireworks off the shelves this year, local media said Friday.

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Climate change caused 15 disasters costing over $1 bn this year: charity

At least 15 natural disasters linked to climate change this year caused damage of over $1 billion and seven of them cost at least $10 billion, British charity Christian Aid said Friday.

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Bacteria can 'outsmart' programmed cell death

Certain bacteria can override a defence mechanism of the immune system, so called programmed cell death, through inhibition of death effector molecules by their outer membranes components. Shigella bacteria, which cause diarrhoea, use lipopolysaccharides (LPS) on their surface to block the effector caspases. Lipopolysaccharides are a component of the bacterial outer membrane. This strategy enables

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Researchers map malaria parasites that proliferate in human blood cells

Malaria parasites transform healthy red blood cells into rigid versions of themselves that clump together, hindering the transportation of oxygen. The infectious disease affects more than 200 million people around the world and causes nearly a half-million deaths every year, according to the World Health Organization's 2018 report on malaria. Until now, however, researchers did not have a strong u

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Bacteria can 'outsmart' programmed cell death

Certain bacteria can override a defence mechanism of the immune system, so called programmed cell death, through inhibition of death effector molecules by their outer membranes components. Shigella bacteria, which cause diarrhoea, use lipopolysaccharides (LPS) on their surface to block the effector caspases. Lipopolysaccharides are a component of the bacterial outer membrane. This strategy enables

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Paving the way for spintronic RAMs: A deeper look into a powerful spin phenomenon

Scientists at Tokyo Institute of Technology (Tokyo Tech) report a new material combination that sets the stage for magnetic random access memory based on spin, an intrinsic property of electrons. The innovation could outperform current storage devices. Their breakthrough, published in a new study, describes a novel strategy to exploit spin-related phenomena in topological materials and could spur

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Researchers map malaria parasites that proliferate in human blood cells

Malaria parasites transform healthy red blood cells into rigid versions of themselves that clump together, hindering the transportation of oxygen. The infectious disease affects more than 200 million people around the world and causes nearly a half-million deaths every year, according to the World Health Organization's 2018 report on malaria. Until now, however, researchers did not have a strong u

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Why Trump's Second Term Will Be Worse

W hen I spent a month on a research trip to India in December 2014, half a year after Narendra Modi swept to power, the writers, academics, and intellectuals I met were engrossed in a debate that may now feel oddly familiar to Americans. They all disliked Modi, an ardent Hindu nationalist, because of his disdain for India's secular constitution. But they were divided on the impact that his rule w

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The 'Identitarians' Are the Successors to Europe's Far Right

Editor's Note: This article is part of our "Democracy Undone" series , about the erosion of liberal democracy around the world. MILAN—The annual meeting of the League appears at first to be a casual affair: Supporters of the far-right Italian party gather in Pontida, a small town north of Milan, milling around barbecues, drinking beer, chatting, and singing. It looks more like a festival than a p

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The 2016 Campaign Never Ended

Americans may feel as though Christmas lasts forever, but at worst the holiday spreads out over two months, from Halloween until January 2. We do, however, have one truly endless season: campaign season. According to CNN, the 2016 presidential campaign took 597 days , which seems accurate if you believe the campaign ended on Election Day 2016, which everyone knows it did not. It's still going str

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Scientists reveal function of histone variant H2A.Z in DNA replication selection

DNA replication is a tightly regulated process that ensures the precise duplication of the genome during cell proliferation. Replication origins determine where replication starts on the genome and regulate the whole genome replication program. The human genome contains tens of thousands of origins; however, only about 10 percent of them are used in each cell cycle. So how are origins selected?

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'Disbelief': Researchers, watch out for this new scam involving journal special issues

We've seen authors fake peer review by creating fake email addresses, and even companies that use photos of celebrities to lure unsuspecting authors. Now along comes a new scam, this one involving special issues of journals. In "Predatory publishing, hijacking of legitimate journals and impersonation of researchers via special issue announcements: a warning for editors … Continue reading

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Scientists reveal function of histone variant H2A.Z in DNA replication selection

DNA replication is a tightly regulated process that ensures the precise duplication of the genome during cell proliferation. Replication origins determine where replication starts on the genome and regulate the whole genome replication program. The human genome contains tens of thousands of origins; however, only about 10 percent of them are used in each cell cycle. So how are origins selected?

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Untangling links between nitrogen oxides and airborne sulfates helps tackle hazy air pollution

Dense, hazy fog episodes characterized by relatively high humidity, low visibility and extremely high PM2.5 have been a headache to many megacities, including those in mainland China. Among pollutants that are less than 2.5 microns in diameter (PM2.5), airborne sulfate is one of the most common components of hazy air pollution formed atmospherically via the oxidation of sulphur dioxide (SO2).

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Hver anden elcyklist lader nogle gange bilen stå

Knap halvdelen af deltagerne i en spørgeskemaundersøgelse svarer, at elcyklen helt eller delvist har erstattet ture med bilen. Transportminister er begejstret.

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Kinas rumdrømme står og falder med lift-off af kæmperaket

Den kinesiske Long March 5-raket står klar til opsendelse efter to og et halvt års ventetid og to fejlslagne opsendelser. Uden den må Kina vinke farvel til drømmen om en Mars-mission.

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Sensitivity of reaction time to the magnitude of rewards reveals the cost-structure of time

Scientific Reports, Published online: 27 December 2019; doi:10.1038/s41598-019-56392-0

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Publisher Correction: Genomic analysis of the emergence of drug-resistant strains of Mycobacterium tuberculosis in the Middle East

Scientific Reports, Published online: 27 December 2019; doi:10.1038/s41598-019-55790-8

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Inhibitory cell populations depend on age, sex, and prior experience across a neural network for Critical Period learning

Scientific Reports, Published online: 27 December 2019; doi:10.1038/s41598-019-56293-2

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Optimization of tunable guided-mode resonance filter based on refractive index modulation of graphene

Scientific Reports, Published online: 27 December 2019; doi:10.1038/s41598-019-56194-4

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Conformational and functional characterization of artificially conjugated non-canonical ubiquitin dimers

Scientific Reports, Published online: 27 December 2019; doi:10.1038/s41598-019-56458-z

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Experimental colitis reduces microglial cell activation in the mouse brain without affecting microglial cell numbers

Scientific Reports, Published online: 27 December 2019; doi:10.1038/s41598-019-56859-0

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One Thing About the 2020 Election Is Already Clear

The 2020 presidential election remains very much up for grabs, but one thing already seems clear: It will end with about half of America triumphant, and the other half furious and fearful. Whichever side ultimately prevails in November, red and blue America are diverging along both demographic and geographic lines as sharply as at any other point in modern American history. The biggest lesson of

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In 2020, let's stop AI ethics-washing and actually do something

There's more talk of AI ethics than ever before. But talk is just that—it's not enough.

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An Undercover Journey Into the Heart of Madness

In "The Great Pretender," Susannah Cahalan explores a landmark 1970s study involving eight healthy volunteers admitted to psychiatric institutes and diagnosed with a mental illness. Their experiences helped to change the way we view sanity and the stigmatization of people with mental illness.

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Crossing ethical red lines in gene editing

There is more support for genome alteration for serious diseases than for 'enhancement'

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Targeting Aging is the Future of Medicine

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Breaking Into a Smart Home With A Laser – Smarter Every Day 229

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China to complete Beidou competitor to GPS with new launches

China said Friday its Beidou Navigation Satellite System that emulates the U.S. Global Positioning System will be competed with the launch of its final two satellites in the first half of next year.

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Philippines' Typhoon Phanfone toll jumps to 28

The death toll from Typhoon Phanfone's battering of the Philippines on Christmas Day has risen to 28, and will likely climb further, authorities said on Friday.

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Colombian botanist risking his life to preserve nature's memory

For the last three decades, botanist Julio Betancur has braved minefields and penetrated deep into jungle territory infested with drug traffickers and armed gangs in a bid to document Colombia's rich biodiversity.

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Colombian botanist risking his life to preserve nature's memory

For the last three decades, botanist Julio Betancur has braved minefields and penetrated deep into jungle territory infested with drug traffickers and armed gangs in a bid to document Colombia's rich biodiversity.

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Satellite constellations: Astronomers warn of threat to view of Universe

A mission to launch thousands of satellites is about to begin, but scientists say this could affect astronomy.

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Fynske robotter står pivåbne for flere år gamle it-sårbarheder

Spansk sikkerhedsfirma har demonstreret, hvordan det kan overtage kontrollen med robotter fra Universal Robots.

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You're Being Watched Right Now | NYT Opinion

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Baidu has a new trick for teaching AI the meaning of language

submitted by /u/Arzu_1982 [link] [comments]

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Læger ser tilbage på 2010'erne: Vi har oplevet en revolution indenfor kræftbehandling

Immunterapi og kræftpakker har reddet mange danskeres liv i et årti, der også har været præget af klogere patienter.

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Open Borders: Remapping the Brain

While reading articles online, you may occasionally stumble across headlines like "Scientists find fear center of the brain," or "Could this really be where the mind resides?" You might have also heard a TED talk where the speaker discusses how they discovered a part of the brain that makes decisions. Such expressions can take more […]

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Photos of the Week: Stonehenge Solstice, Sand Gazelle, Baby Mayor

A destructive fire in Chile, airborne stuffed animals in Seville, an annual Boxing Day hunt in England, protests in Hong Kong and Paris, the World Darts Championship in London, Christmas carols in Germany, emergency-aircraft landing practice in Russia, a replica moon in Nepal, and much more

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Progressive gender beliefs in teen boys may be protective against violence

Teenage boys who witness their peers abusing women and girls are much more likely to bully and fight with others, as well as behave abusively toward their dates, compared to teenage boys who don't witness such behaviors, according to a new analysis. Conversely, the study found that adolescents with more equitable gender attitudes — those who felt boys and girls deserve equal opportunities and res

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Happy Christmas from the Science Weekly podcast

Happy Christmas from the Science Weekly team. There is no new episode this week as we all take a festive break. The team will be back with a new episode on Friday 10 January Continue reading…

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Happy Christmas from the Science Weekly podcast

Happy Christmas from the Science Weekly team. There is no new episode this week as we all take a festive break. The team will be back with a new episode on Friday 10 January. Help support our independent journalism at theguardian.com/sciencepod

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What gadgets are you waiting for?

Here's a few things I want my5G, AI took my job future to produce for me. – I want luggage to have a motor and blue tooth and just follow me through the airport like R2-fricken-D2. – I want a personal drone the follows and films me and keeps me safe from danger. I could buy cheeped drugs in bad neighborhoods and my drone would keep me safe. – I want gloves and long underwear that are thin and kee

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Disse teknologiske tendenser vil præge 2020'erne

PLUS. Overvågning, kunstig intelligens og grønne løsninger bliver en større del af hverdagen i det næste årti, lyder spådommene fra Ingeniørens bloggere og fremtidsforskere.

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3D-blogger om næste årti: »Produktionen vil igen blomstre op i Vesten«

Serie: Udviklingen inden for 3D-print fører til, at enhver fabrik i 20'erne vil have sofistikerede 3D-printere installeret, lyder det fra Ingeniørens blogger Jesper Damvig, som vi har bedt give sit bud på udviklingen frem mod 2030.

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Digitaliserings-blogger om nyt årti: »En dataetisk Greta Thunberg dukker op«

I det kommende årti vil vi se de første skadelige konsekvenser af digital ulighed. Evnen til at bryde ud bliver den vigtigste menneskelige kompetencer, spår Ingeniøren-blogger om etik og digitalisering Kim Escherich, som vi har bedt give sit bud på udviklingen frem mod 2030.

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It-blogger om næste årti: »Væn jer til kameraer overalt«

Vi kigger mod en fremtid, hvor private virksomheder overvåger dig, hvorend du går hen. Og vi venter forgæves på, at overvågning kommer den overvågede til gode, lyder det fra Ingeniørens it-blogger, Poul Henning Kamp, som vi har bedt give sit bud på udviklingen frem mod 2030.

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