bhmnscmm@lemmy.worldcake to Today I Learned@lemmy.worldEnglish · 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-square53fedilinkarrow-up1555arrow-down19
arrow-up1546arrow-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.worldcake to Today I Learned@lemmy.worldEnglish · 11 months agomessage-square53fedilink
minus-squarebela@lemm.eelinkfedilinkEnglisharrow-up25·11 months 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.