Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
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
Intelligent men tend to be more sexually faithful.
31
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17