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17:51 Technology Four principles for the open world - Don Tapscott Lesson duration 17:51 Manage Library 20,906 Views
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03:35 Technology How did trains standardize time in the United States? Lesson duration 03:35 Manage Library 224,857 Views
03:52 Physical Science How polarity makes water behave strangely Lesson duration 03:52 Manage Library 1,048,676 Views
21:20 Sociology Our loss of wisdom - Barry Schwartz Lesson duration 21:20 Manage Library 86,267 Views
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02:50 Literature In on a secret? That’s dramatic irony Lesson duration 02:50 Manage Library 1,687,645 Views
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06:00 Writing/Composition Slowing down time (in writing & film) Lesson duration 06:00 Manage Library 211,262 Views
19:17 Civics Learning from past presidents - Doris Kearns Goodwin Lesson duration 19:17 Manage Library 71,915 Views