Today I Learned@lemmy.worldEnglish • 2 days ago

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

www.smithsonianmag.com

158

cross-posted to:
til@lemmy.ca

472

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 days ago

158

cross-posted to:
til@lemmy.ca

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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