Aluminum used to be more valuable than gold!
84
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Most dust particles in your house come from dead skin.
48
Research indicates that plants grow healthier when they are stroked.
173
Iron weighs more after it rusts.
16
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7