03:47 Environmental Science Where we get our fresh water Lesson duration 03:47 Manage Library 414,245 Views
18:12 Life Sciences How bacteria "talk" - Bonnie Bassler Lesson duration 18:12 Manage Library 568,805 Views
17:51 Technology Four principles for the open world - Don Tapscott Lesson duration 17:51 Manage Library 20,727 Views
03:39 Civics The historical audacity of the Louisiana Purchase Lesson duration 03:39 Manage Library 643,607 Views
03:35 Technology How did trains standardize time in the United States? Lesson duration 03:35 Manage Library 217,752 Views
03:52 Physical Science How polarity makes water behave strangely Lesson duration 03:52 Manage Library 988,772 Views
21:20 Sociology Our loss of wisdom - Barry Schwartz Lesson duration 21:20 Manage Library 85,211 Views
19:39 Earth and Space Science Earth's mass extinction - Peter Ward Lesson duration 19:39 Manage Library 54,630 Views
03:56 Life Sciences What if we could look inside human brains? Lesson duration 03:56 Manage Library 213,379 Views
04:52 Earth and Space Science Life of an astronaut Lesson duration 04:52 Manage Library 695,035 Views
02:50 Literature In on a secret? That’s dramatic irony Lesson duration 02:50 Manage Library 1,616,926 Views
07:12 Life Sciences Parasite tales: The jewel wasp's zombie slave Lesson duration 07:12 Manage Library 108,978 Views
03:51 Medical Conditions The coming neurological epidemic - Gregory Petsko Lesson duration 03:51 Manage Library 37,278 Views
03:56 Environmental Science Do the green thing - Andy Hobsbawm Lesson duration 03:56 Manage Library 30,202 Views
06:00 Writing/Composition Slowing down time (in writing & film) Lesson duration 06:00 Manage Library 204,479 Views
19:17 Civics Learning from past presidents - Doris Kearns Goodwin Lesson duration 19:17 Manage Library 70,816 Views
15:34 Anthropology Digging for humanity's origins - Louise Leakey Lesson duration 15:34 Manage Library 38,546 Views
