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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Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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The average sperm cell swims at 8 inches per hour.
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The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
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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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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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