Rose Eveleth: The mystery of motion sickness

Although one third of the population suffers from motion sickness, scientists aren't exactly sure what causes it. Like the common cold, it's a seemingly simple problem that's still without a cure. And if you think it's bad on a long family car ride, imagine being a motion sick astronaut! Rose Eveleth explains what's happening in our bodies when we get the car sick blues. [Directed by Tom Gran, narrated by Rose Eveleth].

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S2014E06 - Jeff Dekofsky: The Infinite Hotel Paradox