Dolphins have names for one another.
18
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
The world's smartest pig, owned by a mathematics teacher in Madison, WI, memorized the multiplication tables up to 12.
264
You can only remember 4 things at a time.
31
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
Poor eyesight (myopia) is associated with higher IQ.
232