gedaliyah to

Today I LearnedEnglish · 9 months ago

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

www.smithsonianmag.com

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cross-posted to:
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TIL humans are the only animal with a chin. We aren't sure why.

www.smithsonianmag.com

gedaliyah to

Today I LearnedEnglish · 9 months ago

155

cross-posted to:
[email protected]

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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Rob T Firefly
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9 months ago

they are too large for babies to feed.

Then it seems I must have seen some of them fake it really convincingly for some reason.

Today I Learned

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