Today I Learned@lemmy.worldEnglish · 2 years ago

TIL humans are the only animal with a chin. We aren't sure why.

www.smithsonianmag.com

151

495

TIL humans are the only animal with a chin. We aren't sure why.

www.smithsonianmag.com

gedaliyah@lemmy.world to

Today I Learned@lemmy.worldEnglish · 2 years ago

151

A Chin-Stroking Mystery: Why Are Humans the Only Animals With Chins?

www.smithsonianmag.com

It's an evolutionary conundrum, and scientists are still divided over the answer

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2 years ago
More chins than a Chinese phone book.

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