Yawns are more contagious among people with closer relationships.
163
According to a study, women ages 22 to 30 with no children and no spouse earned a higher median income than comparable men in 39 of the 50 largest U.S. cities in 2008.
9
Americans did not commonly use forks until after the Civil War.
82
Forty percent of Americans have never visited a dentist.
33
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46
You forget 90% of your dreams.
256