Babies cry but they don't produce tears until one to three months after birth.
238
Senegalese women spend an average of 17.5 hours a week just collecting water.
27
76% of Americans celebrate New Year's Eve in groups of less than 20.
55
Intelligent men tend to be more sexually faithful.
31
Forty percent of Americans have never visited a dentist.
33
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
Men laugh longer, louder, and more often than women.
61