Nobel prize winning physicist Robert B. Laughlin, author of A Different Universe: Reinventing Physics from the Bottom Down. Also: Is it possible to restrain greenhouse gases while maintaining economic vitality? President Bush says No, but new DOE study says yes; Bush, facing rising gas prices around the country, is forced to clarify his new energy policy: conservation? Drilling in the arctic? Nuclear energy?; U.N. reports that it is possible for the developing nations of the world to increase reliance on solar and wind power;
Scientists find that if the gulf stream shuts down it could cause worldwide food chain collapse; Human Diversity Project: retracing the genetic history of the human family tree; Missing Link Found? Computer reconstruction of fossil evidence confirms missing link.