Sound travels about 4 times faster in water than in air.
408
Spain's capital Madrid means "place of abundant water".
29
Pure water (H2O) does not conduct electricity on its own.
46
Pumice is the only rock that floats on water.
14
Hot water can freeze faster than cold water.
181
The Kangaroo Rat can last longer without water than a camel.
233
A person can live without food for about a month, but only about a week without water.
156
Water is actually naturally blue.
48