gedaliyah@lemmy.world to Today I Learned@lemmy.worldEnglish · 3 months agoTIL humans are the only animal with a chin. We aren't sure why.www.smithsonianmag.comexternal-linkmessage-square0fedilinkarrow-up11
arrow-up11external-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 · 3 months agomessage-square0fedilink