Pumice is the only rock that floats on water.
14
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
By peeing in the shower, you can save 1,157 gallons of water a year.
31
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
Hot water can freeze faster than cold water.
181
A person can live without food for about a month, but only about a week without water.
156