Sound travels about 4 times faster in water than in air.
408
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Pumice is the only rock that floats on water.
14
There are about 100,000 bacteria in one litre of drinking water.
63
The water of the Antarctica is so cold that nothing can rot there.
334
The Kangaroo Rat can last longer without water than a camel.
233
Water, electricity, and gas has been free in Turkmenistan since 1991.
11