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05:39 History What caused the French Revolution? Lesson duration 05:39 Manage Library 4,346,355 Views
04:49 Philosophy Plato’s best (and worst) ideas Lesson duration 04:49 Manage Library 4,816,950 Views
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04:46 Geography How much of human history is on the bottom of the ocean? Lesson duration 04:46 Manage Library 1,628,919 Views
04:34 Visual Arts Why is Vermeer's "Girl with the Pearl Earring" considered a masterpiece? Lesson duration 04:34 Manage Library 5,354,424 Views
11:17 Health The Most Radioactive Places on Earth Lesson duration 11:17 Manage Library 23,734,533 Views
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06:18 Civics Are You A Classical Or Romantic Voter? Lesson duration 06:18 Manage Library 132,129 Views
12:40 Teaching & Education Teach girls bravery, not perfection Lesson duration 12:40 Manage Library 1,325,482 Views
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06:15 Civics How does the Nobel Peace Prize work? Lesson duration 06:15 Manage Library 2,541,204 Views
04:56 Earth and Space Science Could we survive prolonged space travel? Lesson duration 04:56 Manage Library 426,511 Views
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09:25 Psychology A simple way to break a bad habit Lesson duration 09:25 Manage Library 12,678,203 Views
03:47 Environmental Science What would happen if the world went vegetarian? Lesson duration 03:47 Manage Library 7,519,279 Views
04:34 Earth and Space Science Could human civilization spread across the whole galaxy? Lesson duration 04:34 Manage Library 668,575 Views