Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Diamonds can be shattered with a hammer.
-104
A cubic yard of air weighs about 2 pounds at sea level.
31
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
One cubic foot of gold weighs more than 1,200 pounds!
78
Pumice is the only rock that floats on water.
14
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65