There are about 255 babies born worldwide every minute.
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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The world's shortest man measures only 21.5 inches.
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The human brain doesn't stop developing until about 25 years old.
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Mushrooms are more closely related to humans than they are to plants.
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After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
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A person can live without food for about a month, but only about a week without water.
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One human hair can support 3 ounces.
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