Hot water can freeze faster than cold water.
181
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
Sound travels about 4 times faster in water than in air.
408
Pure water (H2O) does not conduct electricity on its own.
46
Lack of water is the #1 trigger of daytime fatigue.
148
There are about 100,000 bacteria in one litre of drinking water.
63
If you get water flowing fast enough, it can cut metal.
354
Water is actually naturally blue.
48