Is Yawning Contagious?

Using a specially fabricated chamber complete with two-way mirror and a hidden camera, Kari, Scottie and Tory set out to see whether a yawn, like a cold, truly can be caught. Next on the docket: Does toast really fall buttered-side down? Jamie and Adam are on the case, each building a rig to simulate toast being dropped from the dining room table. Finally, the whole team tests the myth that a toy car can beat a real car (in this case, a Dodge Viper) in a gravity slope race.

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S2005E07 - MythBusters Outtakes