Sound travels about 4 times faster in water than in air.
408
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
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
Approximately 60% of the water used by households during the summer is used for watering flowers and lawns.
79
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
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Tap water in Canada is held to a higher health standard than bottled water.
19