Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Scientists aren't sure what color dinosaurs were.
312
The storage capacity of human brain exceeds 4 Terrabytes.
140
One cubic foot of gold weighs more than 1,200 pounds!
78
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The force of a suction cup is calculated using F=AP.
15