Pumice is the only rock that floats on water.
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Penguins have a gland above their eye that turns saltwater into freshwater.
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The Kangaroo Rat can last longer without water than a camel.
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Sound travels about 4 times faster in water than in air.
408
Spain's capital Madrid means "place of abundant water".
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Hot water can freeze faster than cold water.
181
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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