Christiane has an exclusive interview with President Thein Sein about Myanmar's fast-changing relations with the world.
Scientists Lonnie Thompson and wife Ellen have made it their personal quests to unlock the frozen history of our climate. He is one of a small group of scientists whose research actually led to the discovery of global climate change. And she leads a major polar research team at the Ohio State University, where they both work.
CNN’s Meredith Milstein produced this piece for television.