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Neuroevolution: Artificial intelligence learns by adapting and evolving

[An] old idea—improving neural networks not through teaching, but through evolution—is revealing its potential. Five new papers from Uber in San Francisco, California, ...
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Could our microbiome offer diet advice? Edible sensors look inside our digestive system

Wouldn’t it be nice if our microbiomes could serve up diet advice—some science-based assurance that our food and medicines act ...
How Alzheimer's kills: Protein tau spreads through the brain like an infectious disease

How Alzheimer’s kills: Protein tau spreads through the brain like an infectious disease

For the first time, scientists have produced evidence in living humans that the protein tau, which mars the brain in ...
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White blood cell warning system ‘sprays’ DNA to alert other cells

When some of our white blood cells detect viruses or other microbes that have invaded our bodies, they may alert ...
Native American ancestors arrived from Asia in a wave, not a trickle, suggests ancient DNA

Native American ancestors arrived from Asia in a wave, not a trickle, suggests ancient DNA

A rare smidgen of ancient DNA has sharpened the picture of one of humanity’s greatest migrations. Some 15,000 to 25,000 ...
Diabetes and anorexia might be treatable by inhibiting ‘hunger hormone’, mice study suggests

Diabetes and anorexia might be treatable by inhibiting ‘hunger hormone’, mice study suggests

Scientists once had high hopes that inhibiting a hormone named ghrelin would be the key to preventing obesity. Ghrelin didn’t ...
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Challenging the narrative that someone is manipulating the UN debate over gene drives

It had scandal written all over it. Disclosed emails revealed that a covert coalition lobbying for relaxed regulations around a ...
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In era of personalized medicine, what’s the value of cholesterol tests?

Most physicians order what [cardiologist Allan Sniderman] considers the wrong test to gauge heart disease risk: a standard cholesterol readout, ...
Why did 5 leukemia patients die in 2016 CAR-T trial?

Why did 5 leukemia patients die in 2016 CAR-T trial?

More than a year after five leukemia patients died from an experimental treatment involving genetically engineered immune cells, its developer ...
How choosing genetically similar partners shapes our genomes

How choosing genetically similar partners shapes our genomes

Chances are, you’re going to marry someone a lot like you. Similar intelligence, similar height, similar body weight. A new ...
Checkpoint inhibitors fight cancer–but can have nasty side effects

Checkpoint inhibitors fight cancer–but can have nasty side effects

Yale University immunologist Kevan Herold spoke about a few of his newest diabetes patients to an unlikely audience: oncologists and ...
Dog genome project: How your breed originated

Dog genome project: How your breed originated

From the 80-kilogram Great Dane to the 1-kilogram tiny teacup poodle, there seems to be a dog for everyone. Now, ...
Cost effective? What DNA screening might catch that we are not likely to find

Cost effective? What DNA screening might catch that we are not likely to find

Known broadly as the MyCode Community Health Initiative and run by the Danville-based Geisinger Health System, the effort has so ...
Ancient incompatibility: Why human females and Neanderthal males had difficulty conceiving

Ancient incompatibility: Why human females and Neanderthal males had difficulty conceiving

After years of sequencing the genomes of female Neandertals, researchers have finally got their first good look at the Y ...
Neanderthal-human mating reintroduced lost African genes, for better and worse

Neanderthal-human mating reintroduced lost African genes, for better and worse

When Neandertals mated with modern humans, they shared more than an intimate moment and their own DNA. They also gave ...
Ancient ‘Tianyuan man’ is full-fledged Homo sapiens

Ancient ‘Tianyuan man’ is full-fledged Homo sapiens

When scientists excavated a 40,000-year-old skeleton in China in 2003, they thought they had discovered the offspring of a Neandertal and ...
What do your Neanderthal genes do?

What do your Neanderthal genes do?

By sequencing a remarkably complete genome from a 50,000-year-old bone fragment of a female Neandertal found in Vindija Cave in ...
Video: Evolution at work--RNA in New York City mice has changed so they can eat fast food

Video: Evolution at work–RNA in New York City mice has changed so they can eat fast food

With all its hustle, bustle, concrete, and congestion, they say New York City changes people. And that may be true, ...
Antibiotic use on farms could be cut by up to 80 percent globally, study finds

Antibiotic use on farms could be cut by up to 80 percent globally, study finds

Almost 80% of all antibiotics in the United States aren’t taken by people. They’re given to cows, pigs, and chickens ...
Why New Guinea islanders are among the most genetically diverse people in the world

Why New Guinea islanders are among the most genetically diverse people in the world

If you travel the meandering Sepik River of New Guinea, it quickly becomes apparent that from one bend to the ...
Multiple sclerosis added to list of diseases exacerbated by gut microbes

Multiple sclerosis added to list of diseases exacerbated by gut microbes

The trillions of bacteria that live in our intestines, known collectively as the gut microbiome, have been linked to maladies ...
Activist witch hunt? PETA targets Yale postdoc researcher known for progressive research on bird stress

Activist witch hunt? PETA targets Yale postdoc researcher known for progressive research on bird stress

It started in May with a web post by People for the Ethical Treatment of Animals (PETA). “Tell Yale University to Stop ...
Drug that reverses diabetes and obesity in mice may strengthen brittle bones

Drug that reverses diabetes and obesity in mice may strengthen brittle bones

A drug that can reverse diabetes and obesity in mice may have an unexpected benefit: strengthening bones. Experiments with a ...
'Breakthrough' treatment for PTSD? FDA approves ecstasy drug trial

‘Breakthrough’ treatment for PTSD? FDA approves ecstasy drug trial

One of the main targets in the war on drugs could well become a drug to treat the scars of ...
Heart attack risk could be significantly reduced with simple anti-inflammatory medication

Heart attack risk could be significantly reduced with simple anti-inflammatory medication

A clinical trial of more than 10,000 heart attack patients supports a novel way to protect them from a stroke ...
Americans shedding their skepticism of human genome editing

Americans shedding their skepticism of human genome editing

Earlier surveys of Americans (here and here) have found a reluctance to support human genome editing...But the new survey, conducted by social ...
Could vitamin B3 supplements prevent birth defects?

Could vitamin B3 supplements prevent birth defects?

An extra dose of vitamin B3 might help prevent certain kinds of complex birth defects, according to a new study ...
End of allergies? Researchers identify cells that trigger reactions

End of allergies? Researchers identify cells that trigger reactions

Allergies stem from mistaken identity, when some of our immune cells respond to benign substances—known as allergens—that include pollen, mold ...