Why do we yawn?

Scientists are trying to figure out what makes something funny. We compare notes with comedians ⁠Atsuko Okatsuka⁠, ⁠Josh Johnson⁠, ⁠Dulcé Sloan⁠, and ⁠Chris Fleming⁠ (Originally published in 2023) Guests: ⁠Allie Volpe⁠, Vox correspondent; ⁠Peter McGraw⁠, professor at University o ...  Show more

Socrates, Aristotle, Galileo, and Darwin couldn't figure it out. But one scientist has built a tickle robot (named Hektor) to try and settle the mystery of ticklishness once and for all. Guest: Konstantina Kilteni, principal investigator of the Touch & Tickle Lab at the Donders I ...  Show more

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

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Is there anything – anything – worse than a yawn you can’t finish? It’s hard to think of anything else and as your obsession with yawning like a normal human being grows it only becomes more difficult. Why? Why?!See omnystudio.com/listener for privacy information. 

Why do we yawn? You might think it is because we are tired or bored. However, according to some research, yawning has nothing to do with either of those things. This episode begins with a look at the real reason we yawn and why yawning is contagious. http://abcnews.go.com/GMA/sto ...  Show more