Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
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
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