Pumice is the only rock that floats on water.
14
Sound travels about 4 times faster in water than in air.
408
Pure water (H2O) does not conduct electricity on its own.
46
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Tap water in Canada is held to a higher health standard than bottled water.
19
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
A person can live without food for about a month, but only about a week without water.
156