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Science & Technology

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Lesson duration 05:14

364,413 Views

05:31

Design, Engineering & Technology

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1,153,060 Views

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Social Studies

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04:19

Science & Technology

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4,593,203 Views

05:31

Design, Engineering & Technology

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488,563 Views

05:30

Science & Technology

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Lesson duration 05:30

505,664 Views

04:53

Science & Technology

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1,205,195 Views

04:56

Earth and Space Science

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Lesson duration 04:56

10,369,421 Views

05:06

Science & Technology

Vultures: The acid-puking, plague-busting heroes of the ecosystem

Lesson duration 05:06

1,556,688 Views

06:52

Should gas stoves be banned?

Lesson duration 06:52

373,235 Views

06:45

Social Studies

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Lesson duration 06:45

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05:04

Science & Technology

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05:43

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340,518 Views

04:54

Design, Engineering & Technology

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Lesson duration 04:54

434,218 Views

06:40

Linguistics

Why the ancient Greeks couldn't see blue

Lesson duration 06:40

9,568,073 Views