What you need to do to be considered "cool".

What do David Bowie, Stevie Nicks, Keanu Reeves have in common? They are - by almost anyone's standards - "cool". A new psychology study has been making the rounds, and it tries to get to the bottom of a simple question: What does it mean to be a cool person? The authors widdled the answer down to six specific traits. Caleb Warren is a professor at the Eller College of Management at the University of Arizona, and one of the authors behind this study, he chats to Jesse.