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
The only letter not appearing on the Periodic Table is the letter "J".
180
Most dust particles in your house are made from dead skin!
67
The average home creates more pollution than does the average car.
33
Sound travels fifteen times faster through steel than through air.
134
Brass doorknobs automatically disinfect themselves in about 8 hours.
18