In 1996, research found that having excessive body hair is linked to higher intelligence.
23
Intelligent men tend to be more sexually faithful.
31
Dolphins have names for one another.
18
You can only remember 4 things at a time.
31
Poor eyesight (myopia) is associated with higher IQ.
232
The world's smartest pig, owned by a mathematics teacher in Madison, WI, memorized the multiplication tables up to 12.
264