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19:17 Civics Learning from past presidents - Doris Kearns Goodwin Lesson duration 19:17 Manage Library 71,774 Views
15:34 Anthropology Digging for humanity's origins - Louise Leakey Lesson duration 15:34 Manage Library 38,916 Views
04:24 Physical Science Is light a particle or a wave? Lesson duration 04:24 Manage Library 1,590,241 Views
04:22 History How to find the true face of Leonardo - Siegfried Woldhek Lesson duration 04:22 Manage Library 99,873 Views
04:19 Science & Technology Solving the puzzle of the periodic table Lesson duration 04:19 Manage Library 1,074,969 Views
06:35 History A glimpse of teenage life in ancient Rome Lesson duration 06:35 Manage Library 12,026,286 Views
03:53 Civics Gerrymandering: How drawing jagged lines can impact an election Lesson duration 03:53 Manage Library 1,026,860 Views
03:58 History The Making of the American Constitution Lesson duration 03:58 Manage Library 876,485 Views
03:28 Civics Why do Americans vote on Tuesdays? - Jacob Soboroff Lesson duration 03:28 Manage Library 418,590 Views
04:47 History How containerization shaped the modern world Lesson duration 04:47 Manage Library 543,778 Views