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DNA from 14,000-year-old tooth offers oldest known link between Native Americans and southern Siberia

A 14,000-year-old genome scraped from a prehistoric tooth found in southern Siberia is now the oldest known connection linking living ...
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Explaining near-death experiences and why they aren’t always ‘blissful’

Near-death experiences, or NDEs, are triggered during singular life-threatening episodes when the body is injured by blunt trauma, a heart ...
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‘The Idea of the Brain’: Pinpointing the storage location for our memories

For centuries, scientists have been arguing about where memory resides in the brain. I explore the fascinating history of this ...
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First gene-edited CRISPR COVID-19 mouse created; Opens door to study infections and develop therapies

Human cells and mice cells each express their own version of angiotensin converting enzyme 2 (ACE2), the membrane-bound receptor that ...
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Viewpoint: At-home test detects cervical cancer early. It should be available to all women

I’m a public health nurse who has spent a career studying ways to better test women for the human papillomavirus ...
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‘Spectacularly unimpressive’: Neural network AI asked to judge human personalities through photos

[If] personality traits have a significant genetic contribution (which seems clear) then we can ask – to what extent do ...
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How weird can life on earth get? Check out these creatures found in deep arctic waters

How should we get our children, our parents and anyone else excited about biodiversity of tiny Arctic microalgae or Arctic ...
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Video: Why we should ignore most reported COVID-19 statistics

Every day we wake up and check COVID-19 updates. Governments usually announce 6 main numbers: 1) New cases 2) Total ...
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Prehistoric footprints offer snapshot of how our ancestors divided labor between men and women

Prehistoric footprints are a remarkable and precious source of evidence for the behavior and biology of ancient organisms, capturing a ...
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From art to zombies, the 1918 Spanish flu pandemic gave us some ‘surprising cultural byproducts’

Elizabeth Outka, author of "Viral Modernism: The Influenza Pandemic and Interwar Literature," argues the 1918 flu pandemic's influence is an ...
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The human brain may not be such a great model for designing artificial intelligence

[M]ost artificial neural networks are decidedly un-brainlike, in part because they learn using mathematical tricks that would be difficult, if ...
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Infographic: Most Americans still trust scientists

It’s easy to look around right now and conclude that popular public opinion has turned against scientists. Twitter hashtags have ...
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Fighting malaria: Genetically modified parasites offer promising but incomplete protection

Two clinical trials, in which subjects were vaccinated with genetically engineered Plasmodium parasites and later exposed to the malaria-causing microbe, ...
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Outside of ‘occasional surges’, biodiversity evolution has been largely stagnant for millions of years, studies suggest

The traditional view is that species have increased in diversity continuously over the past 200 million years, particularly in the ...
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Struggling to cope with the COVID-19 pandemic? These apps could help you stay sane

Set a reminder to write down how you’re feeling every day. Now you’ve started a mood diary. These sorts of ...
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Environmental factors can’t be blamed for rising autism rates, study says

The relative contributions of genetic and environmental factors to autism and traits of the condition have held steady over multiple ...
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Marijuana? Masturbation? Alcohol? What behaviors affect male fertility?

[W]e can look at overall trends in the scientific literature and draw some conclusions about what facets of your life ...
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Recreation of Earth’s ancient hydrothermal vents suggests life could emerge even on ‘hellish worlds’

One theory for how life emerged suggests that it originated in the sea, at alkaline hydrothermal vents. It’s impossible to ...
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‘Trial by fire’: How COVID-19 is changing the biotech industry’s relationship with artificial intelligence

AI is currently being used by many companies to identify and screen existing drugs that could be repurposed to treat ...
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Early test for autism could be possible by measuring levels of the hormone vasopressin

Low levels of the hormone vasopressin in early infancy may presage an autism diagnosis in childhood, according to a new ...
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‘Thinness gene’ could offer genetically engineered weight control strategy

While others may be dieting and hitting the gym hard to stay in shape, some people stay slim effortlessly no ...
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Cheaper gene editing poised to change the world ‘and even extend human lifespans’

Increasingly inexpensive genetic sequencing and engineering tools could upend everything from health care to fuel. Why it matters: This bio ...
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Rise of the dinosaur may have been fueled by earlier mass extinction event

When it was alive, this large, crocodile-like reptile lurked in the swamps and rivers of the Triassic — a time ...
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Understanding brain states: How your mind functions when tired, versus wired on caffeine

Ever wonder what happens in your brain to make the switch between down-and-out tired, and borderline over-caffeinated? As it turns ...
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‘Automation is in a tailspin’: How the pandemic has disrupted AI’s ability to understand us

When covid-19 hit, we started buying things we’d never bought before. The shift was sudden: the mainstays of Amazon’s top ...
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World’s first bionic eye could be better than the real thing

The world's first 3D artificial eyeball -- capable of outperforming the human eye in some ways -- may help droves ...
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Obesity gene? Suppressing this variant could be key to weight loss

More than five years ago, a group of researchers from Norway and several other countries found an important clue in ...
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Autistic children struggle with emotional control. It’s even harder for girls, study says

Emotion control eludes more girls than boys with autism, according to a new study of young people hospitalized for psychiatric ...