Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The average home creates more pollution than does the average car.
33
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
One barrel of petroleum holds 42 gallons.
20
The only letter not appearing on the Periodic Table is the letter "J".
180
A ball of glass will bounce higher than a ball made of rubber.
73