Only about 2% of the world population has green eyes.
36
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
On average, a person will spend about five years eating during his or her lifetime.
90
Thrity-five percent of the people who use personal ads for dating are already married.
102
Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131
Most people smile when they are frustrated, according to a study.
15