You share your birthday with at least 9 other million people in the world.
201
Yawns are more contagious among people with closer relationships.
163
Two in five people in the world marry their first love.
270
Americans did not commonly use forks until after the Civil War.
82
Men fall in love faster than women do.
32
2% of Europeans lack the genes for smelly armpits.
6
Women who read romance novels have sex twice as often as those who don't.
101
15 percent of Americans secretly bite their toes.
57