There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
One cubic foot of gold weighs more than 1,200 pounds!
78
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
According to studies, men change their minds two to three times more often than women.
72
Most dust particles in your house come from dead skin.
48