Pumice is the only rock that floats on water.
14
Pure water (H2O) does not conduct electricity on its own.
46
By peeing in the shower, you can save 1,157 gallons of water a year.
31
Water, electricity, and gas has been free in Turkmenistan since 1991.
11
Sound travels about 4 times faster in water than in air.
408
If you get water flowing fast enough, it can cut metal.
354
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170