Spain's capital Madrid means "place of abundant water".
29
Pumice is the only rock that floats on water.
14
Tap water in Canada is held to a higher health standard than bottled water.
19
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
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.
24
Pure water (H2O) does not conduct electricity on its own.
46
The Kangaroo Rat can last longer without water than a camel.
233