Today I [email protected]English • 7 days ago

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

www.smithsonianmag.com

157

477

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

www.smithsonianmag.com

@[email protected] to

Today I [email protected]English • 7 days ago

157

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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VindictiveJudge
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3•7 days ago
When you’re fighting human, sure, but our mane probably evolved before we were our own greatest predator.
- @[email protected]
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  7 days ago
  I like how people downvoted you on this. As if facial hair somehow evolved after recorded history.

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