Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
Dolphins have names for one another.
18
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
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
Intelligent men tend to be more sexually faithful.
31