Sound travels about 4 times faster in water than in air.
408
The Kangaroo Rat can last longer without water than a camel.
233
Tap water in Canada is held to a higher health standard than bottled water.
19
Water is actually naturally blue.
48
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
If you get water flowing fast enough, it can cut metal.
354
Spain's capital Madrid means "place of abundant water".
29