People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
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
Muhammad is the most common name in the world.
96
76% of Americans celebrate New Year's Eve in groups of less than 20.
55
Babies cry but they don't produce tears until one to three months after birth.
238
The average person laughs 13 times a day!
108
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
There are two credit cards for every person in the United States.
2