Only about 2% of the world population has green eyes.
36
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
More than half the population of Kenya is under the age of 15.
71
Most people smile when they are frustrated, according to a study.
15
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
In one day an average person will take about 18,000 steps.
55
Children's sense of smell is better than adults'.
860