gedaliyah@lemmy.world to Today I Learned@lemmy.worldEnglish · 8 days agoTIL humans are the only animal with a chin. We aren't sure why.www.smithsonianmag.comexternal-linkmessage-square138fedilinkarrow-up1472
arrow-up1472external-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 · 8 days agomessage-square138fedilink