Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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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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A person can live without food for about a month, but only about a week without water.
156
Your heart will pump about 212 million liters in its lifetime.
26
In 1996, research found that having excessive body hair is linked to higher intelligence.
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If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
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