13:32

Psychology

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418,371 Views

05:23

Science & Technology

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236,452 Views

05:19

Health

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Lesson duration 05:19

579,942 Views

05:09

Social Studies

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1,380,804 Views

05:23

Design, Engineering & Technology

How the water you flush becomes the water you drink

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445,107 Views

12:03

Psychology

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2,976,669 Views

18:38

Psychology

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Lesson duration 18:38

236,921 Views

05:04

Science & Technology

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355,609 Views

04:55

Design, Engineering & Technology

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3,717,536 Views

05:26

Science & Technology

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648,527 Views

04:56

Social Studies

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1,316,007 Views

10:42

Science & Technology

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Lesson duration 10:42

59,118 Views

05:03

Psychology

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Lesson duration 05:03

1,997,936 Views

05:48

Science & Technology

3 questions to ask yourself before you believe something

Lesson duration 05:48

403,141 Views

17:05

Social Studies

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Lesson duration 17:05

64,644 Views

05:19

Social Studies

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Lesson duration 05:19

252,892 Views

05:12

Social Studies

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Lesson duration 05:12

481,388 Views

10:33

Business & Economics

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Lesson duration 10:33

2,352,405 Views

15:33

Psychology

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Lesson duration 15:33

1,172,363 Views

05:33

Science & Technology

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Lesson duration 05:33

420,211 Views

06:03

Science & Technology

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Lesson duration 06:03

1,017,926 Views

05:18

Mathematics

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Lesson duration 05:18

814,775 Views

05:25

Science & Technology

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Lesson duration 05:25

1,347,530 Views

05:14

Science & Technology

Gravity vs. Pressure: The battle that formed the universe

Lesson duration 05:14

198,022 Views