In zero gravity, a candle's flame is round and blue.
16
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
For every gallon of sea water, you get more than a quarter pound of salt.
45