No Longer Untouchable

In the latter part of April and from different parts of the U.S., two major advances in the delicate art of heart surgery were reported. The operations were in contrast; in one, the heart was kept beating; the other made a point of stopping it. A 17-month old boy at the Cleveland Clinic became the first human subject of the heart-stopping technique. Born with an opening in the wall between the right and left ventricles, his heart was unable to pump blood through his body efficiently because...