Top 5 questions of the Olympics

Associated Press
Head badminton referee Torsten Berg issues a black card to players in the women's doubles badminton match between Ha Jung-eun and Kim Min-jung, of South Korea, and Meiliana Jauhari and Greysia Polii, of Indonesia, at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. (AP Photo/Andres Leighton)

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Why do divers shower? Why do athletes bite their medals? We look at (and attempt to answer) the top questions of the Games. - By John Parker

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