NASACast combines the content of all the NASACast subject area podcasts into a single omnibus podcast. Here you'll find the latest news and features on NASA's missions as well as the popular "This Week @NASA" newsreel.
http://www.nasa.gov/
Season 3, Episode 5: Frozen in Time
Bundle up! We’ll be diving into ice-covered waters with an upside-down robot, and exploring Greenland’s massive ice sheet with oceanographer Josh Willis.