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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Our eyes are always the same size from birth, but our nose and ears never stop growing.
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Research has determined that most people are happiest at 7:26pm on a Saturday night.
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On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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Obsessive nose picking is called Rhinotillexomania.
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Every human spent about half an hour as a single cell.
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For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
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