Water is actually naturally blue.
48
Pumice is the only rock that floats on water.
14
There are about 100,000 bacteria in one litre of drinking water.
63
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
Spain's capital Madrid means "place of abundant water".
29
If you get water flowing fast enough, it can cut metal.
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