@[email protected] to Today I [email protected]English • 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-square55fedilinkarrow-up1585cross-posted to: [email protected][email protected]
arrow-up1585external-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] to Today I [email protected]English • 2 years agomessage-square55fedilinkcross-posted to: [email protected][email protected]
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