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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All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
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Scientist Niels Bohr was “given a house next door to the Carlsberg brewing company, and had a pipeline running from the brewery into the house so that he could have a never-ending supply of fresh beer on tap”.
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