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
Diamonds can be shattered with a hammer.
-104
One barrel of petroleum holds 42 gallons.
20
Research indicates that plants grow healthier when they are stroked.
173
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
A cubic yard of air weighs about 2 pounds at sea level.
31