Our personalities impact almost everything we do, from the career path we choose to the way we interact with others to how we spend our free time. But what about the way we drive--could personality be used to predict whether a driver will cut someone off, speed, or, say, zoom through a yellow light instead of braking? There must be something to the idea that those of us who are more mild-mannered are likely to drive a little differently than the more assertive among us. At least, that's what a team from MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) is betting on. "Working with and around humans means figuring out their intentions to better understand their behavior," said graduate student Wilko Schwarting, lead author on the paper published this week in Proceedings of the National Academy of Sciences. "People's tendencies to be collaborative or competitive often spills over into how they behave as drivers.