Water is actually naturally blue.
48
Sound travels about 4 times faster in water than in air.
408
Pumice is the only rock that floats on water.
14
The water of the Antarctica is so cold that nothing can rot there.
334
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
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 density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
