Pumice is the only rock that floats on water.
14
Lack of water is the #1 trigger of daytime fatigue.
148
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
Pure water (H2O) does not conduct electricity on its own.
46
The water of the Antarctica is so cold that nothing can rot there.
334
The Kangaroo Rat can last longer without water than a camel.
233
Sound travels about 4 times faster in water than in air.
408