Lack of water is the #1 trigger of daytime fatigue.
148
Spain's capital Madrid means "place of abundant water".
29
If you get water flowing fast enough, it can cut metal.
354
Sound travels about 4 times faster in water than in air.
408
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
Water, electricity, and gas has been free in Turkmenistan since 1991.
11
