In the US, people can be rejected from joining the police force if they are too intelligent.
45
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
You can only remember 4 things at a time.
31
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
Poor eyesight (myopia) is associated with higher IQ.
232