Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
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An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
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Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
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In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
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Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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Yawns are more contagious among people with closer relationships.
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Research has determined that most people are happiest at 7:26pm on a Saturday night.
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