World leaders react to a historic shift in U.S. policy toward Cuba. Pakistan buries victims of a school massacre by the Taliban. And U.S. officials say North Korea is behind the hacking of Sony Pictures. A panel of journalists joins Diane for analysis of the week's top international news stories.
DNA research techniques perfected in the 90s have created new opportunities for scientists to assist wildlife conservation efforts. A panel talks about the science behind this work and how it’s helped both animals and people.
- Dr. Kenneth Goddard lab director and forensic scientist at the National Fish and Wildlife Forensics Laboratory
- Dr. Rob Fleischer head of the molecular genetics lab at the National Zoo
- Dr. Stephen O'Brien chief of the Laboratory of Genomic Diversity at the National Cancer Institute
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A panel of journalists joins Diane for analysis of the week's top national news stories.
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
Cuba releases American contractor Alan Gross after five years' imprisonment on espionage charges. The U.S. releases several Cubans in exchange. Details on the prisoner swap and the future of U.S.-Cuban relations.