Roughly a quarter of the world's people live in China.
50
The average single man is one inch shorter than the average married man.
88
City dwellers have longer, thicker, denser nose hairs than country folks do.
48
Yawns are more contagious among people with closer relationships.
163
You share your birthday with at least 9 other million people in the world.
201
2% of Europeans lack the genes for smelly armpits.
6
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