Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
In the US, people can be rejected from joining the police force if they are too intelligent.
45
You can only remember 4 things at a time.
31
Intelligent men tend to be more sexually faithful.
31
Dolphins have names for one another.
18
In 1996, research found that having excessive body hair is linked to higher intelligence.
23