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Literature & Language
Harry Potter and the translator's nightmare
lesson duration 05:54
3,646,155 views
Geography
How much of human history is on the bottom of the ocean?
lesson duration 04:46
1,456,155 views
Environmental Science
What would happen if the world went vegetarian?
lesson duration 03:47
7,192,343 views
Geometry
How the Königsberg bridge problem changed mathematics
lesson duration 04:39
1,215,540 views
Design, Engineering & Technology
How to fly around the world without fuel
lesson duration 04:13
35,735 views
Social Studies
What makes the Great Wall of China so extraordinary
lesson duration 04:30
5,275,952 views
