Episode 83 - October 20, 2008

ACS Science Elements  •  Duration: 06:11  •  Size: 5.67 MB

Episode 84 - October 27, 2008

ACS Science Elements  •  Duration: 05:43  •  Size: 5.25 MB

Episode 81 - October 6, 2008

ACS Science Elements  •  Duration: 05:16  •  Size: 4.83 MB

Episode 82 - October 13, 2008

ACS Science Elements  •  Duration: 06:44  •  Size: 6.17 MB