Physical Fitness
What happens to your body when you start exercising regularly
lesson duration 04:19
8,383,083 views
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Philosophy & Religion
I grew up in the Westboro Baptist Church. Here's why I left - Megan Phelps-Roper
lesson duration 15:18
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Psychology
My descent into America’s neo-Nazi movement— and how I got out - Christian Picciolini
lesson duration 20:19
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Thinking & Learning
How boredom can lead to your most brilliant ideas - Manoush Zomorodi
lesson duration 16:14
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Health
What you should know about vaping and e-cigarettes - Suchitra Krishnan-Sarin
lesson duration 14:30
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383,626 views
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