Sound travels about 4 times faster in water than in air.
408
Spain's capital Madrid means "place of abundant water".
29
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Lack of water is the #1 trigger of daytime fatigue.
148
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 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