Your Favorite Olympians: Where Are They Now?

Mark Spitz

"Mark the Shark" became a household name thanks to his Olympic swimming career. He won nine medals between the 1968 and 1972 Games. He retired from his career at a very young 22-years-old. Instead, he went into show business. Now, at 71, he travels the world as a lecturer.

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The More You Know

  • Your brain is sometimes more active when you're asleep than when you're awake.
  • The largest known living organism is an aspen grove.
  • There are castles for sale in France that cost less than a two-bedroom apartment in Australia.
  • More than 800 languages are spoken in Papua New Guinea.
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