06:26 History The rise and fall of the Berlin Wall Lesson duration 06:26 Manage Library 8,894,353 Views
05:07 History Who built Great Zimbabwe? And why? Lesson duration 05:07 Manage Library 1,122,761 Views
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05:10 Problem Solving The power of creative constraints Lesson duration 05:10 Manage Library 564,852 Views
06:27 Social Psychology Why do people join cults? Lesson duration 06:27 Manage Library 5,465,149 Views
05:31 Engineering Why don't perpetual motion machines ever work? Lesson duration 05:31 Manage Library 16,347,329 Views
01:40 History How the bendy straw was invented | Moments of Vision 12 Lesson duration 01:40 Manage Library 420,371 Views
04:33 History Who were the Vestal Virgins, and what was their job? Lesson duration 04:33 Manage Library 9,762,549 Views
04:43 Literature & Language The world’s most mysterious book Lesson duration 04:43 Manage Library 9,548,172 Views
01:51 Social Studies How the popsicle was invented | Moments of Vision 11 Lesson duration 01:51 Manage Library 452,727 Views
05:10 Literature Why should you read Tolstoy's "War and Peace"? Lesson duration 05:10 Manage Library 5,189,848 Views
05:06 History How did Dracula become the world's most famous vampire? Lesson duration 05:06 Manage Library 3,845,092 Views
06:26 Science & Technology How oceanographers found the Titanic Lesson duration 06:26 Manage Library 2,981,692 Views
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05:53 History How Magellan circumnavigated the globe Lesson duration 05:53 Manage Library 1,691,876 Views