Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
In the US, people can be rejected from joining the police force if they are too intelligent.
45
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
Intelligent people have more zinc and copper in their hair.
233
You can only remember 4 things at a time.
31
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8