Two in five people in the world marry their first love.
270
One in 500 humans has one blue eye and one brown eye.
145
Identical twins do not have identical fingerprints.
79
People in parts of Western China put salt in their tea instead of sugar.
16
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
Only about 2% of the world population has green eyes.
36
Women mature much faster than men.
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