Coral reefs are crucial to the ocean's ecosystem, providing sustenance to a quarter of marine life. Today, more than one third of the world's reefs are deteriorating. What's causing coral reef destruction and possible new remedies to address it.
Last month a woman in Houston gave birth to eight babies, setting a record for the largest multiple live birth. The birth was termed a success, but some said this example of the power of modern medicine is a cautionary lesson. A panel talks about the latest advances in fertility therapies and the ethical questions they raise.
- Dr. Michael Levy director of the in vitro fertilization program at Shady Grove Fertility Center
- Susan Wolfe associate professor of law and medicine at the University of Minnesota Law School and Center for Bioethics
- Dr. Leroy Walters director of the Kennedy Institute of Ethics at Georgetown University
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