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
Babies cry but they don't produce tears until one to three months after birth.
238
The most recorded orgasms in an hour were 134 for one woman and only 16 for a man.
192
According to the American Society for Microbiology, 90% of women and 75% of men wash their hands after using a public restroom.
170
In Haiti, only 1 out of every 200 people own a car.
23
The single biggest predictor of love is proximity.
30