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06:49 Engineering A call to invention: DIY speaker edition Lesson duration 06:49 Manage Library 88,540 Views
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03:32 Performing Arts Become a slam poet in five steps Lesson duration 03:32 Manage Library 788,435 Views
03:59 Technology How farming planted seeds for the Internet Lesson duration 03:59 Manage Library 161,948 Views
05:57 Problem Solving Working backward to solve problems Lesson duration 05:57 Manage Library 2,187,273 Views
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04:50 Technology Illuminating photography: From camera obscura to camera phone Lesson duration 04:50 Manage Library 465,700 Views
03:33 Physical Fitness Beach Bodies (in spoken word) Lesson duration 03:33 Manage Library 243,691 Views
03:50 Life Sciences Insights into cell membranes via dish detergent Lesson duration 03:50 Manage Library 242,109 Views
05:21 Life Sciences Why are blue whales so enormous? Lesson duration 05:21 Manage Library 1,052,965 Views
03:39 Public Health Fresh water scarcity: An introduction to the problem Lesson duration 03:39 Manage Library 589,331 Views
03:47 Environmental Science Where we get our fresh water Lesson duration 03:47 Manage Library 431,243 Views
03:39 Civics The historical audacity of the Louisiana Purchase Lesson duration 03:39 Manage Library 694,779 Views
03:35 Technology How did trains standardize time in the United States? Lesson duration 03:35 Manage Library 224,685 Views