In this episode: The Fermi Paradox is back with a vengeance, nanotechnology will reshape humanity, and why evolutionary psychology says we should cut Spitzer some slack.

In this episode: The Fermi Paradox is back with a vengeance, nanotechnology will reshape humanity, and why evolutionary psychology says we should cut Spitzer some slack.

http://www.archive.org/download/20080318/20080318.mp3