One cubic foot of gold weighs more than 1,200 pounds!
78
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The earth is approx. 6,588,000,000,000,000,000 tons.
175
For every gallon of sea water, you get more than a quarter pound of salt.
45
Balsa wood is classified as a hard wood!
41