04:18 Life Sciences The physics of human sperm vs. the physics of the sperm whale Lesson duration 04:18 Manage Library 4,371,952 Views
17:50 Public Health Can we domesticate germs? - Paul Ewald Lesson duration 17:50 Manage Library 13,174 Views
10:16 Earth and Space Science Questioning the universe - Stephen Hawking Lesson duration 10:16 Manage Library 85,962 Views
05:58 Science & Technology Light waves, visible and invisible Lesson duration 05:58 Manage Library 1,064,584 Views
04:10 Life Sciences Bird migration, a perilous journey Lesson duration 04:10 Manage Library 258,063 Views
15:24 Science & Technology Natural pest control ... using bugs! - Shimon Steinberg Lesson duration 15:24 Manage Library 17,545 Views
15:28 Social Studies America's native prisoners of war - Aaron Huey Lesson duration 15:28 Manage Library 124,180 Views
04:08 History Urbanization and the evolution of cities across 10,000 years Lesson duration 04:08 Manage Library 2,672,483 Views
12:23 Design, Engineering & Technology The game layer on top of the world - Seth Priebatsch Lesson duration 12:23 Manage Library 17,712 Views
12:45 The Arts The true power of the performing arts - Ben Cameron Lesson duration 12:45 Manage Library 24,190 Views
02:46 Life Sciences Cicadas: The dormant army beneath your feet Lesson duration 02:46 Manage Library 484,486 Views
10:48 Motivation and Emotion The surprising truth about what motivates us Lesson duration 10:48 Manage Library 19,806,653 Views
03:45 Earth and Space Science Four ways to understand the Earth's age Lesson duration 03:45 Manage Library 690,238 Views
03:55 Psychology What is déjà vu? What is déjà vu? Lesson duration 03:55 Manage Library 5,008,524 Views
03:19 Physical Science The Higgs Field, explained Lesson duration 03:19 Manage Library 1,026,831 Views
04:46 Earth and Space Science Gravity and the human body Lesson duration 04:46 Manage Library 447,049 Views
09:34 Philosophy & Religion On reading the Koran - Lesley Hazleton Lesson duration 09:34 Manage Library 1,549,983 Views
