In this timely collection, some of the world's leading ethicistsgrapple with the variety of issues posed by human embryonic stemcell research.

• Investigates the moral status of the embryo including thecreation of chimeras and paying for gametes (eggs and sperm) andembryos for research purposes

• Provides a thorough evaluation of the ethics and politics ofregulating hESC research, and the privacy, confidentiality, andinformed consent in the conduct of research and clinicalinvestigations

• Essential reading for scientists, philosophers, policy makers, and all who are interested in the ethical conduct of science

• Contributors include David DeGrazia, Lori Gruen, ElizabethHarman, John Harris, Jeff McMahan, Don Marquis and PeterSinger