11:18

Science & Technology

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56,647 views

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Literature & Language

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762,842 views

04:29

Science & Technology

DNA: The book of you

262,241 views

04:24

Science & Technology

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180,328 views

04:15

Health

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240,134 views

03:49

Science & Technology

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1,852,389 views

03:17

Science & Technology

Dark matter: How does it explain a star's speed?

74,827 views

05:11

Science & Technology

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106,077 views

05:28

Science & Technology

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112,463 views

04:07

Social Studies

The oddities of the first American election

142,401 views

05:22

Social Studies

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2,538,807 views

01:42

Science & Technology

How to clone a sheep

81,221 views

06:35

Social Studies

A glimpse of teenage life in ancient Rome

7,575,037 views

02:51

Science & Technology

Why do wings help you fly?

996,043 views

03:44

Health

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65,045 views

03:53

Social Studies

Gerrymandering: How drawing jagged lines can impact an election

495,158 views

03:44

Psychology

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221,345 views

03:47

Psychology

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711,930 views

05:33

Psychology

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438,413 views

03:26

Science & Technology

Describing the invisible properties of gas

75,110 views

02:50

Science & Technology

The ABC's of gas: Avogadro, Boyle, Charles

94,744 views

04:27

Science & Technology

The twisting tale of DNA

179,259 views

03:55

Science & Technology

The carbon cycle

125,906 views

04:07

Mathematics

Why do competitors open their stores next to one another?

3,024,264 views