Most people smile when they are frustrated, according to a study.
15
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
Yawns are more contagious among people with closer relationships.
163
Half of all Americans over the age of 55 have no teeth.
39
Thrity-five percent of the people who use personal ads for dating are already married.
102
There's a guy named Fire Penguin Disco Panda.
26
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
Muhammad is the most common name in the world.
96