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
If you get water flowing fast enough, it can cut metal.
354
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
The Kangaroo Rat can last longer without water than a camel.
233
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