@[email protected]cake to Today I [email protected]English • 11 months 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-square50arrow-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]cake to Today I [email protected]English • 11 months agomessage-square50
gasp! the fiend!