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
Intelligent men tend to be more sexually faithful.
31
Dolphins have names for one another.
18
Poor eyesight (myopia) is associated with higher IQ.
232
You can only remember 4 things at a time.
31