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Psychology
Why rumors about vaccines spread— and how to rebuild trust - Heidi Larson
lesson duration 16:08
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586,518 views
616,019 views
75,648 views
519,885 views
1,653,328 views
Science & Technology
The genes you don't get from your parents (but can't live without)
lesson duration 05:03
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112,944 views
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1,808,320 views
687,561 views
1,273,948 views
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Design, Engineering & Technology
Blood, concrete, and dynamite: Building the Hoover Dam
lesson duration 05:12
841,308 views
324,599 views
151,434 views
4,773,936 views
1,121,109 views