Poor eyesight (myopia) is associated with higher IQ.
232
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
Dolphins have names for one another.
18
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
You can only remember 4 things at a time.
31
The world's smartest pig, owned by a mathematics teacher in Madison, WI, memorized the multiplication tables up to 12.
264
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155