Stuff You Should Know


Society & Culture

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Society & Culture 3

How do landfills work? How do mosquitos work? Join Josh and Chuck as they explore the Stuff You Should Know about everything from genes to the Galapagos in this podcast from HowStuffWorks.com.

How Contagious Yawning Works

June 3rd, 2008

Episode 14 of 951 episodes

Yawning is contagious, but why? Check out the leading theories on contagious yawning and empathy in this HowStuffWorks podcast.