It takes approximately 12 hours for food to entirely digest.
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The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
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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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Tigers can see 6 times better at night than humans.
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Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
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There are about 255 babies born worldwide every minute.
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