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
A look at Afghanistan’s transformation in the past year and its challenges today.
- Nasrine Gross Afghan women's rights activist
- John Burns chief foreign correspondent of "The New York Times"
- Amb. Karl Inderfurth former assistant secretary of state for south Asian affairs; professor and graduate program director at George Washington University's Elliott School of International Affairs
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