A growing number of scientists insist that answers to the world’s problems will not come from a (36) array of electronics and machines. Instead, as they see it, solutions must (37) from a better understanding of the humans that drive the system and from a fuller (38) of the limits and potential of the earth’s resources. What this means is an increased (39) on the life and earth sciences, on sociology, psychology, economics and even philosophy. More and more of the best minds in science, particularly young researchers, are being drawn into these (40) fields. Industry officials arc concerned by a (41) rate of innovation in technology. Patent applications by Americans have been (42) in the U. S. since 1971. Yet many scientists seem to be saying: The need for better televisions, bigger power plants and faster airplanes—markers of rapid-fire technological creativity—is becoming (43) at best. (44) . All this is not to say that technological creativity will not play a critical role in solving energy and food shortages, or that (45) . Where the real challenge lies is (46) .