One cubic foot of gold weighs more than 1,200 pounds!
78
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
4.5 pounds of sunlight strike the Earth each day.
27
Indoor pollution is 10 times more toxic than outdoor pollution.
62
No matter how cold it gets, gasoline will not freeze.
107
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Each day, up to 150 species of life become extinct.
-23
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44