There are about 100,000 bacteria in one litre of drinking water.
63
Lack of water is the #1 trigger of daytime fatigue.
148
Penguins have a gland above their eye that turns saltwater into freshwater.
12
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
By peeing in the shower, you can save 1,157 gallons of water a year.
31
A person can live without food for about a month, but only about a week without water.
156