Nat Geo Radio - Climbing With High-Mountain Legend, Understanding the Paleo Diet, Skiing in Greenland and Chasing African Hogs

This week on National Geographic Weekend Radio, we climb with mountaineer Reinhold Messner, the first man to climb all of the world's tallest peaks without supplemental oxygen, then we diet with some help from our ancient ancestors, ski first descents in Greenland, and track very intellingent African hogs.