The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Water is actually naturally blue.
48
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
Sound travels about 4 times faster in water than in air.
408
Spain's capital Madrid means "place of abundant water".
29
There are about 100,000 bacteria in one litre of drinking water.
63
Pumice is the only rock that floats on water.
14
By peeing in the shower, you can save 1,157 gallons of water a year.
31