Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The average temperature at 40,000 feet above sea level is -60 F.
56
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Each day, up to 150 species of life become extinct.
-23
If the chemical sodium is dropped into water it will immediately and violently explode.
67
4.5 pounds of sunlight strike the Earth each day.
27
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
The earth is approx. 6,588,000,000,000,000,000 tons.
175