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Why do we Yawn? | The Why Debate
Notas del episodio
Ever wondered why we yawn? Why is it contagious? Is it really rude to yawn in public or is it just a form of non-verbal communication? The boys get into all these questions and more on this weeks episode of The Why DebatePalabras clave
why do we yawncontagious yawnwhy is yawning contagioussecret languagenonverbal communicationbiologybrain