One barrel of petroleum holds 42 gallons.
20
Iron weighs more after it rusts.
68
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Nylon is made from coal and petroleum.
42
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
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