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1,732,600 views
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Design, Engineering & Technology
Why germs thrive on planes— and how to stop them - Raymond Wang
lesson duration 06:29
480,869 views
2,400,775 views
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Philosophy
Why the only future worth building includes everyone - Pope Francis
lesson duration 17:52
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Thinking & Learning
How to manage your time more effectively (according to machines)
lesson duration 05:10
6,002,926 views
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