Top 5 questions of the Olympics

Katrin Holtwick
What is that tape athletes are wearing?

Kinesio tape, developed by a Japanese doctor over 30 years ago is much more than just a fashion statement -- though athletes like German beach volleyball player Katrin Holtwick use it for both. It takes a special certification just to be licensed to apply it and once on, it separates the upper layer of the skin from muscle tissue. This extra space allows for muscles to fire and recover more quickly. (Alexander Hassenstein/Getty Images)

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