The bark of an older redwood tree is fireproof.
65
Nylon is made from coal and petroleum.
42
For every gallon of sea water, you get more than a quarter pound of salt.
45
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The sun is 330,330 times larger than the earth.
75
German chemists made a replica of a trophy the size of one molecule.
68
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Brass doorknobs automatically disinfect themselves in about 8 hours.
18