You can only remember 4 things at a time.
31
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
The world's smartest pig, owned by a mathematics teacher in Madison, WI, memorized the multiplication tables up to 12.
264
Intelligent men tend to be more sexually faithful.
31
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Intelligent people have more zinc and copper in their hair.
233