Aluminum used to be more valuable than gold!
84
Diamonds can be shattered with a hammer.
-104
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Indoor pollution is 10 times more toxic than outdoor pollution.
62