Read a Feb. 28, 2011, Religion News Service story about new approaches to marking Lent, including reducing greenhouse gases or abstaining from social networking sites like Facebook.

Gregory Stock is a former director of the Program on Medicine, Technology and Society at the University of California, Los Angeles, School of Public Health. His research interests include the implications for society, medicine and business of the Human Genome Project and developments in molecular genetics and bioinformatics. His books include Redesigning Humans: Our Inevitable Genetic Future (Houghton Mifflin, 2002), […]

Dr. Bernard Lo is director of the program in medical ethics and a professor of medicine at the University of California at San Francisco’s School of Medicine. He has written and taught on many topics in bioethics, including research with human beings, AIDS, neuroethics, stem cell policy, pain management and end-of-life care. He wrote Resolving Ethical Dilemmas: A […]

Henry “Hank” Greely is a law professor at Stanford University who specializes in health law, genetics and law and biotechnology law. He is the lead author of Cloning Californians? Report of the California Advisory Committee on Human Cloning. He is also a former clerk for Supreme Court Justice Potter Stewart and has served as chairman of the […]

Mildred Cho is associate director at the Stanford University Center for Biomedical Ethics and a professor of pediatrics (genetics) and medicine. She has training in science and health policy. She sits on advisory boards for the National Human Genome Research Institute and the American Association for the Advancement of Science Public Policy Directorate. Cho focuses on the ethical […]

David Magnus is Chair, Program in Regenerative Medicine Sub-Committee on Bioethics and Conflict of Interest at Stanford University, where he is director of the Stanford Center for Biomedical Ethics and co-chairman of the ethics committee for the Stanford Health Center. He has written on the history and philosophy of biology and bioethics, particularly on issues concerning genetic technology. […]

Mark J. Cherry is a philosophy professor at St. Edward’s University in Austin, Texas. He is co-editor of Allocating Scarce Medical Resources: Roman Catholic Perspectives (Georgetown University Press, 2003), senior associate editor of The Journal of Medicine and Philosophy, senior associate editor of Christian Bioethics and editor in chief of HealthCare Ethics Committee Forum. His book For Sale by […]

John A. Robertson holds the Vinson and Elkins Chair at the University of Texas School of Law in Austin. He has written and lectured widely on law and bioethical issues. His books include The Rights of the Critically Ill.

Scott Sanders is director of the Social Work Program at Cornerstone University in Grand Rapids, Mich. He has taught ethics courses and conducted ethics workshops for social workers.