@[email protected] to Today I [email protected]English • 1 year agoTIL yawning is observed in almost all vertebrate animals and is "contagious" across species. There is no consensus on why yawning occurs.en.wikipedia.orgexternal-linkmessage-square50fedilinkarrow-up1582arrow-down110
arrow-up1572arrow-down1external-linkTIL yawning is observed in almost all vertebrate animals and is "contagious" across species. There is no consensus on why yawning occurs.en.wikipedia.org@[email protected] to Today I [email protected]English • 1 year agomessage-square50fedilink
minus-squareEl BartolinkfedilinkEnglish17•1 year agoIt’s from when caveman wanted to leave their friends cave and go home, but can’t get an ugg in and they don’t want to be rude.
It’s from when caveman wanted to leave their friends cave and go home, but can’t get an ugg in and they don’t want to be rude.