One in 500 humans has one blue eye and one brown eye.
145
Intelligent men tend to be more sexually faithful.
31
Malaysians protect their babies from disease by bathing them in beer.
-15
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
Babies cry but they don't produce tears until one to three months after birth.
238
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
Approximately one-third of the population can't snap their fingers!
91