One cubic foot of gold weighs more than 1,200 pounds!
78
Sound travels fifteen times faster through steel than through air.
134
Nearly 50% of the world's scientists are assigned to military projects.
71
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Liquid TIDE laundry detergent glows under a blacklight.
96
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
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
One third of the electricity produced on earth is used to power electric light bulbs!
75