One in 500 humans has one blue eye and one brown eye.
145
Women have a slightly higher average IQ than men.
164
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
The most recorded orgasms in an hour were 134 for one woman and only 16 for a man.
192
Dutch, on average are the tallest people.
187
Americans did not commonly use forks until after the Civil War.
82
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Most of the world's people must walk at least 3 hours to fetch water!
38