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05:23 The Arts This person isn't actually screaming Lesson duration 05:23 Manage Library 206,311 Views
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05:31 Social Studies The underground cities of the Byzantine Empire Lesson duration 05:31 Manage Library 393,130 Views
05:43 Health What causes addiction, and why is it so hard to treat? Lesson duration 05:43 Manage Library 341,103 Views
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05:20 Social Studies One of the world’s oldest condiments Lesson duration 05:20 Manage Library 447,099 Views
04:25 Philosophy & Religion When is anger justified? A philosophical inquiry Lesson duration 04:25 Manage Library 218,846 Views
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04:52 Literature & Language Will the real Fernando please stand up? Lesson duration 04:52 Manage Library 248,775 Views
04:51 Mathematics Can you solve the magical maze riddle? Lesson duration 04:51 Manage Library 325,282 Views
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05:28 Science & Technology Why does this flower smell like a dead body? Lesson duration 05:28 Manage Library 266,844 Views