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05:01 Environmental Science How quantum mechanics explains global warming Lesson duration 05:01 Manage Library 528,891 Views
03:19 The Arts The many meanings of Michelangelo's Statue of David Lesson duration 03:19 Manage Library 591,124 Views
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03:38 Social Studies What you might not know about the Declaration of Independence Lesson duration 03:38 Manage Library 1,964,299 Views
04:44 Earth and Space Science A guide to the energy of the Earth Lesson duration 04:44 Manage Library 1,173,904 Views
03:24 Environmental Science Attack of the killer algae Lesson duration 03:24 Manage Library 408,951 Views
04:43 Design, Engineering & Technology Why aren't we only using solar power? Lesson duration 04:43 Manage Library 646,059 Views
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04:49 Media and Journalism How to choose your news Lesson duration 04:49 Manage Library 1,398,715 Views
05:20 Social Studies The Silk Road: Connecting the ancient world through trade Lesson duration 05:20 Manage Library 3,531,326 Views
03:28 Psychology Try something new for 30 days - Matt Cutts Lesson duration 03:28 Manage Library 1,958,085 Views
04:28 Life Sciences How the heart actually pumps blood Lesson duration 04:28 Manage Library 4,048,423 Views
06:21 Visual Arts From Aaliyah to Jay-Z: Captured moments in hip-hop history Lesson duration 06:21 Manage Library 264,455 Views
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02:49 Environmental Science Climate change: Earth's giant game of Tetris Lesson duration 02:49 Manage Library 1,190,354 Views
03:59 Life Sciences Cell vs. virus: A battle for health Lesson duration 03:59 Manage Library 10,005,719 Views