10 mysteries of the Olympics

POSTED: 12:53 PM Aug 09 2012   UPDATED: 2:42 PM Aug 09 2012

Ever wonder why Olympians bite their medals? Find the answer to this and other mysteries of the Olympic games.

Olympic Mysteries - Volleyball Sand
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Why doesn't sand stick to the beach volleyball players? The type of sand that is used in Olympic competition is regulated by the International Volleyball Federation and is designed to be stick-free.

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