Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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It takes approximately 12 hours for food to entirely digest.
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Mushrooms are more closely related to humans than they are to plants.
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Tigers can see 6 times better at night than humans.
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The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
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Babies crawl an average of 200m a day.
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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.
35
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
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