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03:05 Physical Science Einstein's Theory of General Relativity Lesson duration 03:05 Manage Library 914,818 Views
06:17 Earth and Space Science Three Ways to Destroy the Universe Lesson duration 06:17 Manage Library 27,213,421 Views
10:52 Philosophy Ralph Waldo Emerson and the Beauty of the Everyday Lesson duration 10:52 Manage Library 1,052,717 Views
04:42 Emotional Health An Exercise in Self Compassion Lesson duration 04:42 Manage Library 2,533,044 Views
12:47 Psychology What makes a good life? Lessons from the longest study on happiness Lesson duration 12:47 Manage Library 25,621,005 Views
04:32 Health Our natural sleep cycle is nothing like what we do now Lesson duration 04:32 Manage Library 592,210 Views
06:18 Civics Are You A Classical Or Romantic Voter? Lesson duration 06:18 Manage Library 131,904 Views