http://www.spitzer.caltech.edu/features/podcasts/files/20060302Spitzer.mp3 Origins of Organics http://www.spitzer.caltech.edu/features/podcasts/files/20060302Spitzer.mp3 2006-03-02 http://www.spitzer.caltech.edu/features/podcasts/images/spitzercasttitled300x300.jpg