Prior to 1900, prize fights lasted up to 100 rounds.
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The household wrench was invented by boxing heavyweight champion Jack Johnson in 1922.
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From a complete stop, a human is capable of outrunning a Formula One Racecar for about 30 feet!
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Kite flying is a professional sport in Thailand.
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In 1998, Serena and Venus Williams said they could beat any man ranked 200 or worse in a game of tennis. Karsten Braasch, ranked 203, accepted the challenge and easily beat them, 6-1, 6-2.
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There is a sport called Banzai Skydiving. You throw the parachute out of the airplane first and then jump after it.
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Each year, 30,000 people are seriously injured by exercise equipment.
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