One third of the electricity produced on earth is used to power electric light bulbs!
75
The sun is 330,330 times larger than the earth.
75
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Cold water weighs more than hot water.
93
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
A cesium atom in an atomic clock beats over nine billion times a second.
43
Nylon is made from coal and petroleum.
42