Pumice is the only rock that floats on water.
14
If you get water flowing fast enough, it can cut metal.
354
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
Hot water can freeze faster than cold water.
181
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
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6