Indoor pollution is 10 times more toxic than outdoor pollution.
62
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The force of a suction cup is calculated using F=AP.
15
One cubic foot of gold weighs more than 1,200 pounds!
78
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
One third of the electricity produced on earth is used to power electric light bulbs!
75
Pure water (H2O) does not conduct electricity on its own.
46
Iron weighs more after it rusts.
68