bhmnscmm@lemmy.world to Today I Learned@lemmy.worldEnglish · 2 years 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-square57fedilinkarrow-up1576arrow-down19
arrow-up1567arrow-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 · 2 years agomessage-square57fedilink
minus-squarebela@lemm.eelinkfedilinkEnglisharrow-up25·2 years agoPrior to the adult life of the individual, however, this is a harmful trait as it only serves to make their teacher angry at them for no good reason whatsoever.
Prior to the adult life of the individual, however, this is a harmful trait as it only serves to make their teacher angry at them for no good reason whatsoever.