Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Aluminum used to be more valuable than gold!
84
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71