04:16 Performing Arts Kabuki: The people's dramatic art Lesson duration 04:16 Manage Library 1,040,615 Views
05:21 Linguistics Are Elvish, Klingon, Dothraki and Na’vi real languages? Lesson duration 05:21 Manage Library 2,917,546 Views
04:18 Life Sciences The physics of human sperm vs. the physics of the sperm whale Lesson duration 04:18 Manage Library 4,371,886 Views
05:58 Science & Technology Light waves, visible and invisible Lesson duration 05:58 Manage Library 1,062,118 Views
04:10 Life Sciences Bird migration, a perilous journey Lesson duration 04:10 Manage Library 257,868 Views
04:08 History Urbanization and the evolution of cities across 10,000 years Lesson duration 04:08 Manage Library 2,669,653 Views
03:47 Numbers & Operations A trip through space to calculate distance Lesson duration 03:47 Manage Library 155,344 Views
02:46 Life Sciences Cicadas: The dormant army beneath your feet Lesson duration 02:46 Manage Library 484,447 Views
04:13 History Why do Americans and Canadians celebrate Labor Day? Lesson duration 04:13 Manage Library 592,907 Views
03:45 Earth and Space Science Four ways to understand the Earth's age Lesson duration 03:45 Manage Library 689,274 Views
03:55 Psychology What is déjà vu? What is déjà vu? Lesson duration 03:55 Manage Library 5,007,948 Views
03:19 Physical Science The Higgs Field, explained Lesson duration 03:19 Manage Library 1,026,402 Views
04:46 Earth and Space Science Gravity and the human body Lesson duration 04:46 Manage Library 446,924 Views
01:55 Linguistics Mysteries of vernacular: Bewilder Lesson duration 01:55 Manage Library 60,259 Views
04:23 Motivation and Emotion Overcoming obstacles Lesson duration 04:23 Manage Library 1,118,866 Views
03:50 Technology Defining cyberwarfare...in hopes of preventing it Lesson duration 03:50 Manage Library 116,984 Views
04:25 Earth and Space Science The Arctic vs. the Antarctic Lesson duration 04:25 Manage Library 4,636,999 Views