04:24 Physical Science Is light a particle or a wave? Lesson duration 04:24 Manage Library 1,643,447 Views
05:07 Motivation and Emotion Losing everything - David Hoffman Lesson duration 05:07 Manage Library 24,886 Views
15:34 Anthropology Digging for humanity's origins - Louise Leakey Lesson duration 15:34 Manage Library 39,705 Views
19:17 Civics Learning from past presidents - Doris Kearns Goodwin Lesson duration 19:17 Manage Library 73,320 Views
06:00 Writing/Composition Slowing down time (in writing & film) Lesson duration 06:00 Manage Library 219,975 Views
03:56 Environmental Science Do the green thing - Andy Hobsbawm Lesson duration 03:56 Manage Library 32,033 Views
03:51 Medical Conditions The coming neurological epidemic - Gregory Petsko Lesson duration 03:51 Manage Library 37,968 Views
07:12 Life Sciences Parasite tales: The jewel wasp's zombie slave Lesson duration 07:12 Manage Library 111,658 Views
02:50 Literature In on a secret? That’s dramatic irony Lesson duration 02:50 Manage Library 1,743,341 Views
04:52 Earth and Space Science Life of an astronaut Lesson duration 04:52 Manage Library 700,923 Views
03:56 Life Sciences What if we could look inside human brains? Lesson duration 03:56 Manage Library 219,704 Views
19:39 Earth and Space Science Earth's mass extinction - Peter Ward Lesson duration 19:39 Manage Library 56,195 Views
21:20 Sociology Our loss of wisdom - Barry Schwartz Lesson duration 21:20 Manage Library 87,922 Views
03:52 Physical Science How polarity makes water behave strangely Lesson duration 03:52 Manage Library 1,111,099 Views
03:35 Technology How did trains standardize time in the United States? Lesson duration 03:35 Manage Library 232,667 Views
03:39 Civics The historical audacity of the Louisiana Purchase Lesson duration 03:39 Manage Library 729,618 Views
17:51 Technology Four principles for the open world - Don Tapscott Lesson duration 17:51 Manage Library 21,055 Views
18:12 Life Sciences How bacteria "talk" - Bonnie Bassler Lesson duration 18:12 Manage Library 625,380 Views
