Sound travels about 4 times faster in water than in air.
408
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
There are about 100,000 bacteria in one litre of drinking water.
63
Pumice is the only rock that floats on water.
14
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
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
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
The Kangaroo Rat can last longer without water than a camel.
233