04:56 Physical Science How to squeeze electricity out of crystals Lesson duration 04:56 704,509 Views
04:20 Life Sciences The ferocious predatory dinosaurs of Cretaceous Sahara Lesson duration 04:20 1,994,150 Views
02:39 The Arts Why babies in medieval paintings look like ugly old men Lesson duration 02:39 7,724,291 Views
01:40 History How the bendy straw was invented | Moments of Vision 12 Lesson duration 01:40 428,471 Views
04:33 History Who were the Vestal Virgins, and what was their job? Lesson duration 04:33 10,045,423 Views
01:51 Social Studies How the popsicle was invented | Moments of Vision 11 Lesson duration 01:51 481,222 Views
