Dolphins have names for one another.
18
Poor eyesight (myopia) is associated with higher IQ.
232
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
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
You can only remember 4 things at a time.
31
Intelligent people have more zinc and copper in their hair.
233