Intelligent men tend to be more sexually faithful.
31
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Dolphins have names for one another.
18
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
In 1996, research found that having excessive body hair is linked to higher intelligence.
23