Most people smile when they are frustrated, according to a study.
15
The higher the income, the more likely an American man will cheat on his wife.
94
The Japanese commonly put ketchup on their rice.
16
According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
223
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
The name "Wendy" was made up for the book Peter Pan!
142
Nearly 10% of American households dress their pets in Halloween costumes.
36
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63