Scripps Glaciologist Helen Amanda Fricker was awarded the Muse Prize for Science and Policy in Antarctica for her work on sub-glacial lakes and remote sensing techniques. We'll talk to her about Antarctica, which she calls the most unobservable place in the world, and the work she's doing to detect changes in the ice sheet. We'll also find out about the iceberg, four times the size of Manhattan, which just broke apart from Petermann Glacier in Greenland and began drifting into the Nares Strait.