A cubic yard of air weighs about 2 pounds at sea level.
31
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The storage capacity of human brain exceeds 4 Terrabytes.
140
The bark of an older redwood tree is fireproof.
65
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1