Casey Dreier, Chief Advocate of the Planetary Society, stops by to chat about space policy. He explains why human spaceflight is such a challenge, and talks about how scientists decide which planet to explore. He also explains how individual citizens from around the world can influence space policy.

Dr. Anne Virkki talks about the Arecibo Radio Telescope, which recently sustained severe damage. She talks about the discoveries made at the telescope and explains that it could be rebuilt, if there was enough public support.