Pumice is the only rock that floats on water.
14
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
By peeing in the shower, you can save 1,157 gallons of water a year.
31
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Tap water in Canada is held to a higher health standard than bottled water.
19