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.
The creation of a single commercially successful fragrance represents tens of millions of dollars in research by an army of chemists, but how we smell things is still a scientific mystery. In a new book, journalist Chandler Burr introduces a maverick scientific genius, his new theory of smell, and why the establishment is determined to ignore it.
- Chandler Burr author and journalist
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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.