Poor eyesight (myopia) is associated with higher IQ.
232
Intelligent men tend to be more sexually faithful.
31
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Dolphins have names for one another.
18
In the US, people can be rejected from joining the police force if they are too intelligent.
45