Only about 2% of the world population has green eyes.
36
A hard working adult sweats up to 4 gallons per day.
39
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
Muhammad is the most common name in the world.
96
47% of people have a nightmare at least once a month.
186
You share your birthday with at least 9 other million people in the world.
201
Roughly a quarter of the world's people live in China.
50
Most people smile when they are frustrated, according to a study.
15