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
The world's smartest pig, owned by a mathematics teacher in Madison, WI, memorized the multiplication tables up to 12.
264
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
In the US, people can be rejected from joining the police force if they are too intelligent.
45