Sound travels about 4 times faster in water than in air.
408
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
A person can live without food for about a month, but only about a week without water.
156
Spain's capital Madrid means "place of abundant water".
29
Penguins have a gland above their eye that turns saltwater into freshwater.
12
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