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08:15 Social Studies Why the US Army tried to exterminate the bison Lesson duration 08:15 1,657,410 Views
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05:25 Literature & Language The Norse myth that inspired “The Lord of the Rings” Lesson duration 05:25 3,037,532 Views
04:47 Social Studies Why are scientists obsessed with the Black Sea? Lesson duration 04:47 470,166 Views
04:35 Social Studies What happened to the lost Kingdom of Kush? Lesson duration 04:35 1,049,552 Views
05:26 Literature & Language The surprising origins of the word “lesbian” Lesson duration 05:26 773,027 Views
04:48 Social Studies The infamous overpopulation bet: Simon vs. Ehrlich Lesson duration 04:48 588,354 Views
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05:29 Social Studies The secret society of the Great Dismal Swamp Lesson duration 05:29 311,272 Views
04:55 Business & Economics How do governments create money out of thin air? Lesson duration 04:55 988,009 Views
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