Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131
Women mature much faster than men.
1k
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
One in 500 humans has one blue eye and one brown eye.
145
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
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
Women rate men more attractive if other women are looking and smiling at him.
17
Babies crawl an average of 200m a day.
212