Physical Fitness
What happens to your body when you start exercising regularly
lesson duration 04:19
8,374,375 views
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2,078,989 views
160,730 views
Philosophy & Religion
I grew up in the Westboro Baptist Church. Here's why I left - Megan Phelps-Roper
lesson duration 15:18
6,551,635 views
5,504,691 views
347,666 views
4,768,715 views
4,120,827 views
8,297,677 views
2,107,374 views
457,138 views
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Psychology
My descent into America’s neo-Nazi movement— and how I got out - Christian Picciolini
lesson duration 20:19
1,709,607 views
2,813,426 views
1,754,040 views
478,050 views
7,884,178 views
545,996 views
Thinking & Learning
How boredom can lead to your most brilliant ideas - Manoush Zomorodi
lesson duration 16:14
607,442 views
11,250,152 views
Health
What you should know about vaping and e-cigarettes - Suchitra Krishnan-Sarin
lesson duration 14:30
321,171 views
383,546 views
1,464,333 views