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Literature & Language
Harry Potter and the translator's nightmare
lesson duration 05:54
3,763,471 views
Geography
How much of human history is on the bottom of the ocean?
lesson duration 04:46
1,510,292 views
Environmental Science
What would happen if the world went vegetarian?
lesson duration 03:47
7,293,683 views
Geometry
How the Königsberg bridge problem changed mathematics
lesson duration 04:39
1,249,492 views
Design, Engineering & Technology
How to fly around the world without fuel
lesson duration 04:13
36,710 views