Science & Medicine, Natural Sciences, Society & Culture, Technology

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Natural Sciences 4
Science & Medicine 11

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

How Does Yawning Work?

July 14th, 2008

Episode 17 of 1055 episodes

Just hearing about yawning can make you yawn, and no one is sure why. Learn more about yawns and yawning in this HowStuffWorks podcast.