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18:46 Business & Economics The walk from "no" to "yes" - William Ury Lesson duration 18:46 36,353 Views
09:22 Health Protecting the brain against concussion - Kim Gorgens Lesson duration 09:22 19,818 Views
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03:14 Social Studies Labor Day: Is it really a necessary holiday? Lesson duration 03:14 316,578 Views
04:46 Design, Engineering & Technology A brief history of video games (Part I) Lesson duration 04:46 1,276,113 Views
15:35 Data Analysis & Probability The good news of the decade? - Hans Rosling Lesson duration 15:35 32,301 Views
15:15 Mathematics A performance of "Mathemagic" - Arthur Benjamin Lesson duration 15:15 1,782,838 Views
05:39 Science & Technology 300 years of fossil fuels in 300 seconds Lesson duration 05:39 1,828,400 Views
06:51 Science & Technology The Higgs Boson -- a hero or a villain? Lesson duration 06:51 3,287,961 Views
