A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Sound travels fifteen times faster through steel than through air.
134
For every gallon of sea water, you get more than a quarter pound of salt.
45
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
A ball of glass will bounce higher than a ball made of rubber.
73
One third of the electricity produced on earth is used to power electric light bulbs!
75
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Hot water can freeze faster than cold water.
181