Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
One cubic foot of gold weighs more than 1,200 pounds!
78
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Nearly 50% of the world's scientists are assigned to military projects.
71