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
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Intelligent men tend to be more sexually faithful.
31
You can only remember 4 things at a time.
31
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155