Podcasts > Kategorie: Wissen und Wissenschaft > Kanal: BrainStuff

How Does Yawning Work?

Kategorie: Wissen und Wissenschaft
Kanal: BrainStuff
Datum: 27. November 2013, 19:08
Stufe: B1-B2 (Mittelstufe)

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Just hearing about yawning can make you yawn, and no one is sure why. Learn more about yawns and yawning in this HowStuffWorks podcast. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers