There are about 100,000 bacteria in one litre of drinking water.
63
Sound travels about 4 times faster in water than in air.
408
Spain's capital Madrid means "place of abundant water".
29
By peeing in the shower, you can save 1,157 gallons of water a year.
31
Penguins have a gland above their eye that turns saltwater into freshwater.
12
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
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