The earth is approx. 6,588,000,000,000,000,000 tons.
175
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
Aluminum used to be more valuable than gold!
84
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
The force of a suction cup is calculated using F=AP.
15
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
No matter how cold it gets, gasoline will not freeze.
107