Henry Petroski, author of Pushing the Limits : New Adventures in Engineering. Also, new report involving 250 scientists paints a pessimistic viewpoint of what the arctic will be like in 100 years; Mordechai Vanunu arrested again, why?; Gigantic solar cell will be launched into orbit next year, could pioneer a whole new propulsion system by which we can explore the universe; International talks concerning a fusion reactor have ended in acrimony; NASA scientists beginning to investigate “Rain Man”, profiled in the movie with Dustin Hoffman and Tom Cruise, he is retarded in most areas, however in 15 areas he is a certified genius. NASA wants to know why.