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Thinking & Learning

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05:20

Science & Technology

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05:30

Thinking & Learning

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05:48

Science & Technology

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Lesson duration 05:48

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05:26

Science & Technology

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06:01

Philosophy & Religion

Ethical dilemma: Should knowledge be free?

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219,767 Views

06:33

Health

The ancient medical practice that persisted for too long

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175,430 Views

05:44

Social Studies

The dark history of Graham crackers

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460,142 Views

06:21

Social Studies

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06:27

Health

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05:31

Social Studies

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05:20

Psychology

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05:41

Design, Engineering & Technology

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04:49

Philosophy & Religion

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06:05

Science & Technology

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05:31

Design, Engineering & Technology

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05:50

Psychology

The clever trick used by sports betting apps

Lesson duration 05:50

319,894 Views

05:49

Science & Technology

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Lesson duration 05:49

211,345 Views

07:17

Social Studies

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Lesson duration 07:17

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05:46

Social Studies

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428,158 Views

05:38

Thinking & Learning

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Lesson duration 05:38

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05:02

Science & Technology

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Lesson duration 05:02

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05:17

Science & Technology

How much would it cost to buy the Sun?

Lesson duration 05:17

345,528 Views

06:03

Science & Technology

No one really knows what a tree is

Lesson duration 06:03

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