Yawns are more contagious among people with closer relationships.
163
76% of Americans celebrate New Year's Eve in groups of less than 20.
55
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
The average person walks the equivalent of twice around the world in a lifetime
69
You forget 90% of your dreams.
256
Intelligent men tend to be more sexually faithful.
31
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18