03:48 Physical Science What is the shape of a molecule? Lesson duration 03:48 Manage Library 323,022 Views
03:47 Physical Science The uncertain location of electrons Lesson duration 03:47 Manage Library 884,742 Views
05:03 Physical Science Why don’t oil and water mix? Lesson duration 05:03 Manage Library 1,234,616 Views
04:08 Performing Arts The science of stage fright (and how to overcome it) Lesson duration 04:08 Manage Library 1,611,123 Views
04:00 Earth and Space Science Why extremophiles bode well for life beyond Earth Lesson duration 04:00 Manage Library 139,770 Views
03:57 Literature & Language Speech acts: Constative and performative Lesson duration 03:57 Manage Library 208,672 Views
04:33 History The most groundbreaking scientist you've never heard of Lesson duration 04:33 Manage Library 3,015,579 Views
04:16 Performing Arts Kabuki: The people's dramatic art Lesson duration 04:16 Manage Library 1,035,799 Views
05:21 Linguistics Are Elvish, Klingon, Dothraki and Na’vi real languages? Lesson duration 05:21 Manage Library 2,915,302 Views
04:18 Life Sciences The physics of human sperm vs. the physics of the sperm whale Lesson duration 04:18 Manage Library 4,371,240 Views
05:58 Science & Technology Light waves, visible and invisible Lesson duration 05:58 Manage Library 1,047,290 Views
04:10 Life Sciences Bird migration, a perilous journey Lesson duration 04:10 Manage Library 255,716 Views
04:08 History Urbanization and the evolution of cities across 10,000 years Lesson duration 04:08 Manage Library 2,650,499 Views
03:47 Numbers & Operations A trip through space to calculate distance Lesson duration 03:47 Manage Library 155,005 Views
02:46 Life Sciences Cicadas: The dormant army beneath your feet Lesson duration 02:46 Manage Library 484,009 Views
04:13 History Why do Americans and Canadians celebrate Labor Day? Lesson duration 04:13 Manage Library 591,271 Views
03:45 Earth and Space Science Four ways to understand the Earth's age Lesson duration 03:45 Manage Library 684,157 Views