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Science & Technology
The genes you don't get from your parents (but can't live without)
lesson duration 05:03
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355,606 views
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Mathematics
Can you solve the rogue submarine riddle? Difficulty level: Master
lesson duration 06:19
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Psychology
2 questions to uncover your passion — and turn it into a career - Noeline Kirabo
lesson duration 11:07
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679,096 views
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Sex Education
How porn changes the way teens think about sex - Emily F. Rothman
lesson duration 15:13
592,273 views
3,047,229 views
536,616 views
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