gedaliyah@lemmy.world to Today I Learned@lemmy.worldEnglish · 6 months agoTIL humans are the only animal with a chin. We aren't sure why.www.smithsonianmag.comexternal-linkmessage-square64fedilinkarrow-up11arrow-down10
arrow-up11arrow-down1external-linkTIL humans are the only animal with a chin. We aren't sure why.www.smithsonianmag.comgedaliyah@lemmy.world to Today I Learned@lemmy.worldEnglish · 6 months agomessage-square64fedilink
minus-squaredohpaz42@lemmy.worldlinkfedilinkEnglisharrow-up0·6 months agoUseful in fighting as it helps protect the lower jaw and teeth? But then again, it could simply be a trait we have developed over the millennia, and there is no deeper meaning to it.
Useful in fighting as it helps protect the lower jaw and teeth?
But then again, it could simply be a trait we have developed over the millennia, and there is no deeper meaning to it.