Pumice is the only rock that floats on water.
14
If you get water flowing fast enough, it can cut metal.
354
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
A person can live without food for about a month, but only about a week without water.
156
Pure water (H2O) does not conduct electricity on its own.
46
Hot water can freeze faster than cold water.
182
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
The water of the Antarctica is so cold that nothing can rot there.
335