Intelligent men tend to be more sexually faithful.
31
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
The world's smartest pig, owned by a mathematics teacher in Madison, WI, memorized the multiplication tables up to 12.
264
Poor eyesight (myopia) is associated with higher IQ.
232
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
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Dolphins have names for one another.
18