Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
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
In a year, the average person walks four miles to make his or her bed.
56
The world's shortest man measures only 21.5 inches.
73
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
35% of the people using personal ads for dating are already married!
23
Senegalese women spend an average of 17.5 hours a week just collecting water.
27