Bioengineers are creating human body parts to replace organs and manage life-threatening diseases. How techniques like 3-D printing and stem cell research are driving medical advances and raising ethical questions
Throughout human history diseases have spread from animals to people. Two scientists explain why, as the planet gets more crowded, we can expect more animal-transmitted diseases.
- Robert Yolken, M.D. is the director of the Stanley Laboratory of Developmental Neurovirology and a professor of pediatrics at Johns Hopkins School of Medicine. He is the coeditor of the "Manual of Clinical Microbiology."
- E. Fuller - duplicate record Torrey, M.D. is associate director for laboratory research at the Stanley Medical Research Institute in Bethesda, Maryland and author and coauthor of 18 books including "The Invisible Plague: The Rise of Mental Illness from 1750 to the Present."
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