If you get water flowing fast enough, it can cut metal.
354
There are about 100,000 bacteria in one litre of drinking water.
63
Hot water can freeze faster than cold water.
181
Pumice is the only rock that floats on water.
14
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
Penguins have a gland above their eye that turns saltwater into freshwater.
12
The water of the Antarctica is so cold that nothing can rot there.
334