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04:31 Mathematics Can you solve the frog riddle? Lesson duration 04:31 Manage Library 8,366,210 Views
03:15 5 ways social media is changing your brain Lesson duration 03:15 Manage Library 5,295,702 Views
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04:33 Literature & Language How miscommunication happens (and how to avoid it) Lesson duration 04:33 Manage Library 2,838,283 Views
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04:27 Health The immortal cells of Henrietta Lacks Lesson duration 04:27 Manage Library 5,878,966 Views
05:22 Social Studies History vs. Napoleon Bonaparte Lesson duration 05:22 Manage Library 5,553,695 Views
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05:01 Science & Technology When will the next mass extinction occur? Lesson duration 05:01 Manage Library 1,699,953 Views
04:40 Science & Technology The beneficial bacteria that make delicious food Lesson duration 04:40 Manage Library 1,768,140 Views
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