The bark of an older redwood tree is fireproof.
65
Nylon is made from coal and petroleum.
42
Pumice is the only rock that floats on water.
14
The force of a suction cup is calculated using F=AP.
15
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Scientists in Germany have developed a candy that doesn't cause cavities.
11
A cubic yard of air weighs about 2 pounds at sea level.
31