If you get water flowing fast enough, it can cut metal.
354
Pumice is the only rock that floats on water.
14
Sound travels about 4 times faster in water than in air.
408
Penguins have a gland above their eye that turns saltwater into freshwater.
12
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
A person can live without food for about a month, but only about a week without water.
156
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219