Nylon is made from coal and petroleum.
42
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
For every gallon of sea water, you get more than a quarter pound of salt.
45
Indoor pollution is 10 times more toxic than outdoor pollution.
62
One barrel of petroleum holds 42 gallons.
20
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9