Hear Mat Kaplan's 2008 conversation with Clay Anderson about how he came back from five months in low Earth orbit in much better shape than many younger astronauts. Emily reviews what's up for August, 2011. Trillions of oceans of water around a black hole! And that's not all Bill Nye is excited about. Bruce Betts joins Mat Kaplan for another look at the night sky and a new space trivia contest.