04:28 Writing/Composition How many verb tenses are there in English? Lesson duration 04:28 Manage Library 854,941 Views
06:34 Consciousness, Sensation and Perception Does my dog know what I'm thinking? Lesson duration 06:34 Manage Library 3,078,290 Views
03:47 Science & Technology Why do mirrors flip horizontally (but not vertically)? Lesson duration 03:47 Manage Library 4,972,691 Views
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05:40 Social Studies Ugly History: The 1937 Haitian Massacre Lesson duration 05:40 Manage Library 1,377,661 Views
05:26 Mathematics Can you solve the dark coin riddle? Lesson duration 05:26 Manage Library 4,280,942 Views
03:50 Literature & Language The myth of OisÃn and the land of eternal youth Lesson duration 03:50 Manage Library 2,633,889 Views
13:22 Psychology Why you should define your fears instead of your goals Lesson duration 13:22 Manage Library 4,300,895 Views
04:41 Literature & Language The tragic myth of Orpheus and Eurydice Lesson duration 04:41 Manage Library 8,057,446 Views
05:17 Literature & Language Why should you read Charles Dickens? Lesson duration 05:17 Manage Library 1,805,154 Views
04:06 Science & Technology Why do animals form swarms? Lesson duration 04:06 Manage Library 317,149 Views
05:55 Environmental Science Can 100% renewable energy power the world? Lesson duration 05:55 Manage Library 2,545,211 Views
05:30 Environmental Science How long will human impacts last? Lesson duration 05:30 Manage Library 797,213 Views
05:15 Science & Technology How do fish make electricity? Lesson duration 05:15 Manage Library 3,347,120 Views
04:58 Environmental Science What is the tragedy of the commons? Lesson duration 04:58 Manage Library 2,965,160 Views
05:12 Public Health How often should you get a flu shot? Lesson duration 05:12 Manage Library 933,802 Views