If you get water flowing fast enough, it can cut metal.
354
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
Sound travels about 4 times faster in water than in air.
408
A person can live without food for about a month, but only about a week without water.
156
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
Spain's capital Madrid means "place of abundant water".
29
