One cubic foot of gold weighs more than 1,200 pounds!
78
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
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
For every gallon of sea water, you get more than a quarter pound of salt.
45
One ragweed plant can release as many as one billion grains of pollen!
51
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Sound at the right vibration can bore holes through a solid object.
134