Nylon is made from coal and petroleum.
42
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Scientists in Germany have developed a candy that doesn't cause cavities.
11
In zero gravity, a candle's flame is round and blue.
16