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
Intelligent people have more zinc and copper in their hair.
233
In the US, people can be rejected from joining the police force if they are too intelligent.
45
Dolphins have names for one another.
18
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155