Lack of water is the #1 trigger of daytime fatigue.
148
Hot water can freeze faster than cold water.
181
If you get water flowing fast enough, it can cut metal.
354
Pumice is the only rock that floats on water.
14
Approximately 60% of the water used by households during the summer is used for watering flowers and lawns.
79
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Sound travels about 4 times faster in water than in air.
408
A person can live without food for about a month, but only about a week without water.
156