A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
Penguins have a gland above their eye that turns saltwater into freshwater.
12
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
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
There are about 100,000 bacteria in one litre of drinking water.
63
Spain's capital Madrid means "place of abundant water".
29
Hot water can freeze faster than cold water.
181