Your brain is 80% water.
525
Most dust particles in your house come from dead skin.
48
Most dust particles in your house are made from dead skin!
67
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Sound travels about 4 times faster in water than in air.
408