Myrna Watanabe | Jan 6, 2002 | 7 min read
As some researchers pursue cloning and stem cell work, attracting media attention along the way, others concentrate on embryonic research that will help produce healthier babies. From esoteric work on genetic control mechanisms to studies of fetal nutrition, human genetics, and the effects of toxic substances on the fetus, scientists are trying to formulate a fuller picture of what occurs in utero. For example, scientists like Dennis Thiele and colleagues in the biological chemistry department a