In its Medicine section, TIME has always sought two goals: to report and, perhaps more important, to clarify even the most esoteric technical subjects. In recent years it has run cover stories on medical matters as diverse as the dangers of cholesterol, the health effects of stress and the origin and treatment of pain. As this week's cover story on the artificial heart illustrates, TIME'S purpose has again been not only to relay the news of surgical procedures and laboratory discoveries but to place those advances in a larger context.
"A decade ago, we might have looked on such a medical achievement...