In 1996, research found that having excessive body hair is linked to higher intelligence.
23
You can only remember 4 things at a time.
31
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
In the US, people can be rejected from joining the police force if they are too intelligent.
45
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