Senegalese women spend an average of 17.5 hours a week just collecting water.
27
A hard working adult sweats up to 4 gallons per day.
39
Only about 2% of the world population has green eyes.
36
35% of the people using personal ads for dating are already married!
23
The average American consumes 9 pounds of food additives every year.
6
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
Intelligent men tend to be more sexually faithful.
31