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04:58 Design, Engineering & Technology What was so special about Viking ships? Lesson duration 04:58 Manage Library 1,029,873 Views
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03:21 Growth & Development What does the pancreas do? Lesson duration 03:21 Manage Library 1,023,415 Views
07:09 Physical Science Iridium - Periodic Table of Videos Lesson duration 07:09 Manage Library 1,022,855 Views
04:05 Design, Engineering & Technology How to spot a counterfeit bill Lesson duration 04:05 Manage Library 1,021,254 Views
05:38 Design, Engineering & Technology Building the world's largest (and most controversial) power plant Lesson duration 05:38 Manage Library 1,019,580 Views
04:15 Data Analysis & Probability A clever way to estimate enormous numbers Lesson duration 04:15 Manage Library 1,017,806 Views
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08:23 Mathematics Safe Cracking with Feynman - Numberphile Lesson duration 08:23 Manage Library 1,013,512 Views
05:11 Science & Technology Could the Earth be swallowed by a black hole? Lesson duration 05:11 Manage Library 1,012,953 Views
06:13 Social Studies Why were there three popes at the same time? Lesson duration 06:13 Manage Library 1,009,985 Views
05:08 Mathematics A brief history of numerical systems Lesson duration 05:08 Manage Library 1,008,584 Views
05:08 Thinking & Learning This one weird trick will get you infinite gold Lesson duration 05:08 Manage Library 1,008,214 Views
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05:24 Mathematics Can you outsmart Fate and break her ancient curse? Lesson duration 05:24 Manage Library 995,648 Views
05:36 Literature Why should you read Virgil's "Aeneid"? Lesson duration 05:36 Manage Library 995,284 Views