For every gallon of sea water, you get more than a quarter pound of salt.
45
In zero gravity, a candle's flame is round and blue.
16
The storage capacity of human brain exceeds 4 Terrabytes.
140
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44