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Photo: Zanuck / Getty Images Did Human Breasts Evolve to Keep Babies Warm?
One of the most renowned features of the human anatomy might be one of our oldest survival technologies.
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Photo: YakobchukOlena / Getty Images Why Do Humans Have Chins? We’re the Only Species That Does.
Chins are useless but they can make us look ridiculous if we have too much or not enough.
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Tatiana Lavrova / Getty Images Urban Raccoons Show Early Signs of Domestication
These raccoons aren’t just adapting—they’re getting cuter on purpose.
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Photo by Joel Sharpe/Getty Images -

McDonald Wildlife Photography Inc.; Liudmila Chernetska / Getty Images Why Aren’t Humans as Hairy as Other Mammals?
Deep down, we’re just as hairy as our primate ancestors.
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wildpixel / Getty Images



