Yawns are more contagious among people with closer relationships.
163
A study had men report their own penis size, and the average was found to be 6.1-6.5 inches. A subsequent clinical study actually measured penises, and found the average size to be 5.1-5.7 inches.
-3
Men laugh longer, louder, and more often than women.
61
Muhammad is the most common name in the world.
96
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
Women have a slightly higher average IQ than men.
164
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10