Senegalese women spend an average of 17.5 hours a week just collecting water.
27
In a lifetime, an average person walks the equivalent of 5 equators
177
If you're over 100 years old, there's an 80% chance you're a woman.
143
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
Thrity-five percent of the people who use personal ads for dating are already married.
102
Women rate men more attractive if other women are looking and smiling at him.
17
Forty percent of Americans have never visited a dentist.
33