People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
Poor eyesight (myopia) is associated with higher IQ.
232
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
Intelligent men tend to be more sexually faithful.
31
Dolphins have names for one another.
18
In 1996, research found that having excessive body hair is linked to higher intelligence.
23