Podcasts > Kategorie: Wissen und Wissenschaft > Kanal: BrainStuff

What makes us yawn?

Kategorie: Wissen und Wissenschaft
Kanal: BrainStuff
Datum: 7. Mai 2014, 15:00
Stufe: B1-B2 (Mittelstufe)

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Yawning is a universal human behavior, yet scientists still don't know exactly why we do it or what purpose it serves. Marshall Brain explores some of the theories behind yawning in this episode. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers