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