Dolphins have names for one another.
18
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Intelligent people have more zinc and copper in their hair.
233
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
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