Water is actually naturally blue.
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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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A portion of the water you drink has already been drunk by someone else, maybe several times over.
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The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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Spain's capital Madrid means "place of abundant water".
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