The world's youngest parents were 8 and 9 and lived in China in 1910.
130
Women have a slightly higher average IQ than men.
164
A hard working adult sweats up to 4 gallons per day.
39
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
People who are lying to you tend to look up and to the left (their left).
178
One in 500 humans has one blue eye and one brown eye.
145