In 1996, research found that having excessive body hair is linked to higher intelligence.
23
In the US, people can be rejected from joining the police force if they are too intelligent.
45
Dolphins have names for one another.
18
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
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155