Sound travels about 4 times faster in water than in air.
408
Approximately 60% of the water used by households during the summer is used for watering flowers and lawns.
79
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
If you get water flowing fast enough, it can cut metal.
354
Pumice is the only rock that floats on water.
14
Water, electricity, and gas has been free in Turkmenistan since 1991.
11
Spain's capital Madrid means "place of abundant water".
29
There are about 100,000 bacteria in one litre of drinking water.
63