Humans, as well as all other species, were forged in a fierce battle for existence and survival. Our brain is a machine for solving problems, overcoming difficulties.

What if wisdom's greatest flaw is its own success? By shielding us from disasters, do wise choices rob us of the ability to truly value what we've gained?

Educated people and, on average, people in the West tend to see squares first, while others more often see circles first. Just imagine, that some people only see circles, for me that's is not easy at all.