03:35 Technology How did trains standardize time in the United States? Lesson duration 03:35 Manage Library 233,654 Views
03:52 Physical Science How polarity makes water behave strangely Lesson duration 03:52 Manage Library 1,119,612 Views
21:20 Sociology Our loss of wisdom - Barry Schwartz Lesson duration 21:20 Manage Library 88,151 Views
19:39 Earth and Space Science Earth's mass extinction - Peter Ward Lesson duration 19:39 Manage Library 56,254 Views
03:56 Life Sciences What if we could look inside human brains? Lesson duration 03:56 Manage Library 220,018 Views
04:52 Earth and Space Science Life of an astronaut Lesson duration 04:52 Manage Library 701,149 Views
02:50 Literature In on a secret? That’s dramatic irony Lesson duration 02:50 Manage Library 1,753,688 Views
07:12 Life Sciences Parasite tales: The jewel wasp's zombie slave Lesson duration 07:12 Manage Library 111,971 Views
03:51 Medical Conditions The coming neurological epidemic - Gregory Petsko Lesson duration 03:51 Manage Library 38,049 Views
03:56 Environmental Science Do the green thing - Andy Hobsbawm Lesson duration 03:56 Manage Library 32,207 Views
06:00 Writing/Composition Slowing down time (in writing & film) Lesson duration 06:00 Manage Library 221,046 Views
19:17 Civics Learning from past presidents - Doris Kearns Goodwin Lesson duration 19:17 Manage Library 73,524 Views
15:34 Anthropology Digging for humanity's origins - Louise Leakey Lesson duration 15:34 Manage Library 39,786 Views
05:07 Motivation and Emotion Losing everything - David Hoffman Lesson duration 05:07 Manage Library 24,903 Views
04:24 Physical Science Is light a particle or a wave? Lesson duration 04:24 Manage Library 1,651,300 Views
08:58 Motivation and Emotion Write your story, change history Lesson duration 08:58 Manage Library 229,937 Views
03:47 Numbers & Operations How to defeat a dragon with math Lesson duration 03:47 Manage Library 4,579,488 Views
04:40 Social Psychology What Aristotle and Joshua Bell can teach us about persuasion Lesson duration 04:40 Manage Library 1,044,691 Views
04:22 History How to find the true face of Leonardo - Siegfried Woldhek Lesson duration 04:22 Manage Library 103,589 Views
17:30 Consciousness, Sensation and Perception A plant's-eye view - Michael Pollan Lesson duration 17:30 Manage Library 87,677 Views
