this post was submitted on 29 Jun 2024

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Today I Learned

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TIL humans are the only animal with a chin. We aren't sure why. (www.smithsonianmag.com)

submitted 2 years ago by gedaliyah@lemmy.world to c/til@lemmy.world

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[–] SuddenDownpour@sh.itjust.works 2 points 2 years ago* (1 child)

Because otherwise you might be mating with a Neanderthal.

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[+] Tak@lemmy.ml 4 points 2 years ago* (last edited 2 years ago) (1 child)

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[–] SuddenDownpour@sh.itjust.works 2 points 2 years ago (1 child)

No "till", plenty of living beings have vestigial elements that were positive at some point of their history, yet no longer are, but are still maintained because there isn't evolutionary pressure to get rid of them.

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