One barrel of petroleum holds 42 gallons.
20
The force of a suction cup is calculated using F=AP.
15
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
Hot water can freeze faster than cold water.
181
One ragweed plant can release as many as one billion grains of pollen!
51
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Sound at the right vibration can bore holes through a solid object.
134
The average temperature at 40,000 feet above sea level is -60 F.
56