Nylon is made from coal and petroleum.
42
Each day, up to 150 species of life become extinct.
-23
The force of a suction cup is calculated using F=AP.
15
The bark of an older redwood tree is fireproof.
65
Pumice is the only rock that floats on water.
14
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18