By peeing in the shower, you can save 1,157 gallons of water a year.
31
If you get water flowing fast enough, it can cut metal.
354
Sound travels about 4 times faster in water than in air.
408
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
Hot water can freeze faster than cold water.
181
A person can live without food for about a month, but only about a week without water.
156
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