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
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
One cubic foot of gold weighs more than 1,200 pounds!
78
Iron weighs more after it rusts.
16
No matter how cold it gets, gasoline will not freeze.
107
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
One ragweed plant can release as many as one billion grains of pollen!
51