04:20 Life Sciences The ferocious predatory dinosaurs of Cretaceous Sahara Lesson duration 04:20 1,964,133 Views
02:39 The Arts Why babies in medieval paintings look like ugly old men Lesson duration 02:39 7,699,094 Views
05:31 Engineering Why don't perpetual motion machines ever work? Lesson duration 05:31 16,781,434 Views
01:40 History How the bendy straw was invented | Moments of Vision 12 Lesson duration 01:40 424,379 Views
04:33 History Who were the Vestal Virgins, and what was their job? Lesson duration 04:33 9,925,919 Views
13:57 Health What you can do to prevent Alzheimer's | Lisa Genova Lesson duration 13:57 3,279,892 Views
05:30 Environmental Science Meet The Frog That Barfs Up Its Babies Lesson duration 05:30 2,078,784 Views
05:07 Data Analysis & Probability Check your intuition: The birthday problem Lesson duration 05:07 2,823,602 Views
01:51 Social Studies How the popsicle was invented | Moments of Vision 11 Lesson duration 01:51 460,454 Views
