Poor eyesight (myopia) is associated with higher IQ.
232
Dolphins have names for one another.
18
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
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
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155