The average temperature at 40,000 feet above sea level is -60 F.
56
The force of a suction cup is calculated using F=AP.
15
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
One ragweed plant can release as many as one billion grains of pollen!
51
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Scientists aren't sure what color dinosaurs were.
312