Boston Globe: A social science experiment at the University of Rhode Island has had an unanticipated result: Students won’t shorten the length of hot showers to help global warming – but they will shower less often. Officials at the Kingston campus set out to see if they could change student behavior around some of the most common and wasteful energy habits on campus: leaving computers on when not in use, keeping the heat and/or air conditioners on when they leave a room, and taking excessively …