You can only remember 4 things at a time.
31
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The world's smartest pig, owned by a mathematics teacher in Madison, WI, memorized the multiplication tables up to 12.
264
Poor eyesight (myopia) is associated with higher IQ.
232
Dolphins have names for one another.
18
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
Intelligent people have more zinc and copper in their hair.
233