a few individuals-the ones who make the major finds, get the research grants, and stay in the public limelight.
But some of the most important research into man's past has been taking place in laboratories, not in the field. X-rays of cross sections of bone can reveal areas of stress and strength and tell us much about our ancestors' physical activities and capabilities. Paleoneurologists such as Ralph Holloway of Columbia are analyzing casts of the insides of early skulls, hoping to determine...