Stupidity is all around us. But in order to vanquish it, we must first understand it. In The Psychology of Stupidity, some of the world's leading psychologists and thinkers—including a Nobel Prize winner and bestselling authors—discuss in articles, essays and interviews

• why smart people sometimes believe in utter nonsense;
• how our lazy brains cause us to make the wrong decisions;
• why trying to debate fools is a trap;
• how media manipulation and Internet overstimulation make us dumber;
• why the stupidest people don't think they're stupid.