This news reminded me of Carl Sagan's Cosmos episode about the Drake Equation (http://en.wikipedia.org/wiki/Drake_equation http://en.wikipedia.org/wiki/Drake_eq

This news reminded me of Carl Sagan's Cosmos episode about the Drake Equation (http://en.wikipedia.org/wiki/Drake_equation http://en.wikipedia.org/wiki/Drake_equation) that I watched as a kid. It is really an improved estimate for a couple of the terms. That segment of Cosmos is online: http://www.youtube.com/watch?v=MlikCebQSlY http://www.youtube.com/watch?v=MlikCebQSlY