Husband and wife team Jerome Groopman and Pamela Hartzband collaborated on Your Medical Mind. Hartzband is an endocrinologist. Groopman is an oncologist, New Yorker staff writer and author of How Doctors Think.

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A man arrested at Congonhas Airport in Sao Paulo, Brazil, had quite a bit of undeclared carry-on baggage: 72 bags containing almost a kilogram of cocaine inside his body. Brazilian Federal Police/HO/AFP/Getty Images hide caption

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"Jeopardy!" contestants Ken Jennings and Brad Rutter compete against Watson at a press conference in January. Soon Watson could be giving answers to your doctor's questions. Ben Hider/Getty Images hide caption

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