Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Yawns are more contagious among people with closer relationships.
163
City dwellers have longer, thicker, denser nose hairs than country folks do.
48
Only 2% of the Earth's population are natural redheads.
13
Thrity-five percent of the people who use personal ads for dating are already married.
102
Americans did not commonly use forks until after the Civil War.
82
