Podcast: Pathological Gambling, Sand Flea Sex, and Ancient Cats

14 November 2013 2:00 pm

Are the brains of pathological gamblers wired differently from the rest of us? Why would a researcher let a sand flea live in her body? And how is a new cat fossil redrawing the feline family tree? Science's Online News Editor David Grimm chats about these stories and more with Science's Sarah Crespi.

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