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Today I Learned@lemmy.worldEnglish · 3 years 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

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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

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Today I Learned@lemmy.worldEnglish · 3 years ago

Yawn - Wikipedia

en.wikipedia.org

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ThatWeirdGuy1001@sh.itjust.works
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3 years ago
You’re thinking of psychopathy.

A true psychopath (someone with no real empathy) will not catch a yawn as it requires an empathetic response

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