Most people smile when they are frustrated, according to a study.
15
More redheads are born in Scotland than in any other part of the world.
85
Women have a slightly higher average IQ than men.
164
Every workday, 6.7 million people commute to Manhattan!
26
Men laugh longer, louder, and more often than women.
61
Only 2% of the worlds population is blonde.
15
The world's youngest parents were 8 and 9 and lived in China in 1910.
130