One in 500 humans has one blue eye and one brown eye.
145
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
People with light eye colors (like blue, green or grey) have a higher alcohol tolerance.
194
The average American consumes 9 pounds of food additives every year.
6
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86