Today I [email protected]English • 11 months ago

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

www.smithsonianmag.com

157

495

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 • 11 months 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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8•11 months ago
A chihuahua is not a pinnacle of anything.
- @[email protected]
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  3•11 months ago
  Dude, don’t disparage the chihuahua. They’re the pinnacle of anxiety; something many of us can relate with.

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