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05:43 History What is McCarthyism? And how did it happen? Lesson duration 05:43 Manage Library 3,703,846 Views
07:15 Design, Engineering & Technology How the toilet changed history Lesson duration 07:15 Manage Library 2,241,029 Views
04:08 Earth and Space Science How small are we in the scale of the universe? Lesson duration 04:08 Manage Library 1,089,988 Views
04:36 Emotional Health Would winning the lottery make you happier? Lesson duration 04:36 Manage Library 1,129,863 Views
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04:52 Nature of Science Mary's Room: A philosophical thought experiment Lesson duration 04:52 Manage Library 4,217,501 Views
05:08 Mathematics A brief history of numerical systems Lesson duration 05:08 Manage Library 1,008,631 Views
05:07 Life Sciences How do animals experience pain? Lesson duration 05:07 Manage Library 3,606,448 Views
04:56 Motivation and Emotion Would you sacrifice one person to save five? Lesson duration 04:56 Manage Library 5,158,809 Views
04:35 Motivation and Emotion Why are we so attached to our things? Lesson duration 04:35 Manage Library 2,642,991 Views
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