04:20 Life Sciences The ferocious predatory dinosaurs of Cretaceous Sahara Lesson duration 04:20 1,996,311 Views
05:31 Engineering Why don't perpetual motion machines ever work? Lesson duration 05:31 17,510,006 Views
01:40 History How the bendy straw was invented | Moments of Vision 12 Lesson duration 01:40 428,756 Views
04:33 History Who were the Vestal Virgins, and what was their job? Lesson duration 04:33 10,052,958 Views
01:51 Social Studies How the popsicle was invented | Moments of Vision 11 Lesson duration 01:51 482,784 Views
05:10 Literature Why should you read Tolstoy's "War and Peace"? Lesson duration 05:10 5,651,883 Views
06:26 Science & Technology How oceanographers found the Titanic Lesson duration 06:26 3,073,208 Views
