Most dust particles in your house come from dead skin.
48
No matter how cold it gets, gasoline will not freeze.
107
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Each day, up to 150 species of life become extinct.
-23
One cubic foot of gold weighs more than 1,200 pounds!
78