Intelligent people have more zinc and copper in their hair.
233
You can only remember 4 things at a time.
31
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
In the US, people can be rejected from joining the police force if they are too intelligent.
45
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155