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
Earlier this month, the United Nations held a conference on the illicit global trade in small arms – weapons that are small and light enough to be carried and operated by a single person. Diane and her guests talk about the agenda and outcome of the conference in New York City, and about the U.S. position on small arms control.
- Lincoln Bloomfield Asst. Sec. of State for Political-Military Affairs
- Jo Marie Griesgraber director of policy for Oxfam America
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