Jonathan Elsen On Microbes: the 'Da...Season 1 : Ep. 41 (24:06)
Will We Ever Understand the Brain?Season 1 : Ep. 40 (1:22:22)
Why Space Matters: Investing in the...Season 1 : Ep. 39 (26:03)
Lucy's Legacy: the Quest for Human ...Season 1 : Ep. 38 (1:14:01)
Carl Zimmer: A Planet of VirusesSeason 1 : Ep. 37 (1:33:22)
Paul Ekman On Evolution and the Ine...Excerpt (04:09)
Microbiome: the Ecosystems Living O...Excerpt (05:22)
The Secret Lives of the BrainExcerpt (03:42)
The Brain: a Machine Built of Confl...Excerpt (03:23)
Scientists On Space Junk: a 'Massiv...Excerpt (03:41)| Season:Episode | Title |  | Runtime | Air Date | User Rating | Queue |
| Season 1 |  All | |||||
| 41 | 24:06 | 01/10/2012 | | |||
| 40 | 1:22:22 | 01/05/2012 | | |||
| 39 | 26:03 | 12/30/2011 | | |||
| 38 | 1:14:01 | 08/05/2011 | | |||
| 37 | 1:33:22 | 06/24/2011 | | |||
| 36 | 1:37:53 | 04/07/2011 | | |||
| 35 | 1:16:41 | 03/11/2011 | | |||
| 34 | 1:40:17 | 02/11/2011 | | |||
| 33 | 1:08:44 | 01/14/2011 | | |||
| 32 | 1:00:29 | 12/10/2010 | | |||
| 31 | 39:31 | 10/08/2010 | | |||
| 30 | 1:06:45 | 09/11/2010 | | |||
| 29 | 56:48 | 09/02/2010 | | |||
| 28 | 1:08:38 | 04/19/2010 | | |||
| 27 | 1:07:55 | 04/12/2010 | | |||
| 26 | 1:05:57 | 07/19/2010 | | |||
| 25 | 59:25 | 06/20/2010 | | |||
| 24 | 58:29 | 06/08/2010 | | |||
| 23 | 59:39 | 05/06/2010 | | |||
| 22 | 29:36 | - | | |||
| 21 | 1:03:52 | 04/29/2010 | | |||
| 20 | 33:22 | - | | |||
| 19 | 1:03:55 | 03/18/2010 | | |||
| 18 | 23:40 | 03/11/2010 | | |||
| 18 | 1:01:00 | 03/04/2010 | | |||
| 16 | 1:29:46 | 02/12/2010 | | |||
| Season:Episode | Title | | Type | Runtime | Air Date | User Rating | Queue |
| - | Excerpt | 04:09 | 04/02/2012 | | |||
| 1 : 41 | Excerpt | 05:22 | 01/10/2012 | | |||
| 1 : 40 | Excerpt | 03:42 | 01/05/2012 | | |||
| 1 : 40 | Excerpt | 03:23 | 01/05/2012 | | |||
| 1 : 39 | Excerpt | 03:41 | 12/30/2011 | | |||
| - | Excerpt | 04:28 | 10/15/2011 | | |||
| - | Excerpt | 02:22 | 10/07/2011 | | |||
| - | Excerpt | 06:03 | 10/04/2011 | | |||
| - | Excerpt | 02:01 | 09/28/2011 | | |||
| 1 : 38 | Excerpt | 04:05 | 08/05/2011 | | |||
| 1 : 37 | Excerpt | 04:11 | 06/25/2011 | | |||
| 1 : 37 | Excerpt | 04:15 | 06/25/2011 | | |||
| - | Excerpt | 02:49 | 06/18/2011 | | |||
| - | Excerpt | 03:13 | 06/04/2011 | | |||
| 1 : 36 | Excerpt | 03:26 | 04/07/2011 | |
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