Sound travels about 4 times faster in water than in air.
408
Water, electricity, and gas has been free in Turkmenistan since 1991.
11
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Pumice is the only rock that floats on water.
14
Hot water can freeze faster than cold water.
181
Tap water in Canada is held to a higher health standard than bottled water.
19
Lack of water is the #1 trigger of daytime fatigue.
148