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
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
Dolphins have names for one another.
18
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17