bhmnscmm@lemmy.world to Today I Learned@lemmy.worldEnglish · 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-square54fedilinkarrow-up1581arrow-down110
arrow-up1571arrow-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.orgbhmnscmm@lemmy.world to Today I Learned@lemmy.worldEnglish · 1 year agomessage-square54fedilink
minus-square200ok@lemmy.worldlinkfedilinkEnglisharrow-up2arrow-down1·edit-21 year agoReading your comment made me yawn
Reading your comment made me yawn