Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
Yawns are more contagious among people with closer relationships.
163
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
People with blue eyes are better able to see in the dark.
153
Men laugh longer, louder, and more often than women.
61
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
Americans collectively eat one hundred pounds of chocolate every second.
60
76% of Americans celebrate New Year's Eve in groups of less than 20.
55