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.
John Sulston, 2002 Nobel Prize winner for physiology and medicine for his research on a tiny worm, gives an insider’s account of the science, politics and ethics behind the Human Genome Project.
- John Sulston John Sulston won the 2002 Nobel Prize in Medicine for studies on how cells in a tiny worm are genetically programmed to develop and to die. But he is best known for his groundbreaking work on human DNA.
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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.