Today I Learned @lemmy.world bhmnscmm @lemmy.world 2y ago

TIL yawning is observed in almost all vertebrate animals and is "contagious" across species. There is no consensus on why yawning occurs.

en.wikipedia.org Yawn - Wikipedia

1 crossposts

Wikipedia @lemmy.world Plum @lemmy.world 7mo ago

Yawn

en.wikipedia.org /wiki/Yawn