One in 500 humans has one blue eye and one brown eye.
145
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
90% of people sit at their computer desk slouching, supporting their head with their left hand.
41
More than half the population of Kenya is under the age of 15.
71
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Muhammad is the most common name in the world.
96
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
76% of Americans celebrate New Year's Eve in groups of less than 20.
55