Are you overconfident?

How good are you as an auto driver compared to others? If you say better than average, you give the same answer as about 80% of people. If we ask university roommates how well they will be doing in five years and how well their roommate will be doing in five years,...

How brave are you?

A secret story of 9/11 came out recently. Two fighter pilots are assigned to destroy the last airliner taken over by terrorists before it struck some iconic American target. The pilots had no ammunition on board. So how could they destroy the airliner? Their plan was...