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/
The Overview Effect
Space philosopher and author Frank White discusses the impact of looking down at the Earth from above, and how it can create a shift in the way astronauts view and think about our planet and life itself. HWHAP Episode 107.