How a new method of inferring ancient population size revealed a severe bottleneck in the human population which almost wiped out the chance for humanity as we know it today. An unexplained gap in the ...
Studying human evolution involves piecing together scattered clues about how we survived against tough odds. One of the biggest mysteries is understanding how large or small ancient human populations ...
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The world’s snow leopards are very similar genetically. That doesn’t bode well for their future
A Stanford-led study found that snow leopards have the lowest genetic diversity among all big cats, a dubious distinction previously held by cheetahs. Without a variety of genetic adaptations to fall ...
Neanderthals may not have truly gone extinct but instead may have been absorbed into the modern human population. That's one of the implications of a new study, which finds modern human DNA may have ...
Population bottlenecks caused by stark population loss due to illness or habitat destruction caused mammals' disease immunity to decline, according to a new study led by computational biologists in ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Fossilized bone ...
The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...
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