Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
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
Iron weighs more after it rusts.
16
According to studies, men change their minds two to three times more often than women.
72
In zero gravity, a candle's flame is round and blue.
16
A cesium atom in an atomic clock beats over nine billion times a second.
43
Research indicates that plants grow healthier when they are stroked.
173