Sound travels about 4 times faster in water than in air.
408
By peeing in the shower, you can save 1,157 gallons of water a year.
31
Hot water can freeze faster than cold water.
181
Water is actually naturally blue.
48
There are about 100,000 bacteria in one litre of drinking water.
63
Lack of water is the #1 trigger of daytime fatigue.
148