03:39

Design, Engineering & Technology

The physics of roller coasters

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759,935 Views

05:37

Design, Engineering & Technology

The environmental cost of free two-day shipping

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1,341,056 Views

04:52

Science & Technology

What would it be like to live on the moon?

Lesson duration 04:52

516,020 Views

11:13

Social Studies

Why tech needs the humanities

Lesson duration 11:13

159,894 Views

02:36

Design, Engineering & Technology

Why do I have to use a number 2 pencil?

Lesson duration 02:36

1,357,084 Views

06:10

Science & Technology

The journey to Pluto, the farthest world ever explored

Lesson duration 06:10

3,199,737 Views

04:33

Science & Technology

How to build a dark matter detector

Lesson duration 04:33

328,801 Views

04:51

Science & Technology

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Lesson duration 04:51

14,227,612 Views

03:30

Design, Engineering & Technology

How do touchscreens work?

Lesson duration 03:30

1,113,581 Views

13:34

Design, Engineering & Technology

How architecture can create dignity for all

Lesson duration 13:34

69,152 Views

04:58

Social Studies

How the world's first metro system was built

Lesson duration 04:58

1,840,860 Views

09:31

Science & Technology

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Lesson duration 09:31

10,973,421 Views

04:39

Social Studies

French and English gardens

Lesson duration 04:39

269,189 Views

08:36

Design, Engineering & Technology

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Lesson duration 08:36

2,942,234 Views

05:46

Social Studies

The rise and fall of the Inca Empire

Lesson duration 05:46

4,037,820 Views

04:20

Science & Technology

Why is NASA sending a spacecraft to a metal world?

Lesson duration 04:20

711,709 Views

05:10

Thinking & Learning

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Lesson duration 05:10

7,194,313 Views

05:55

Environmental Science

Can 100% renewable energy power the world?

Lesson duration 05:55

2,688,272 Views

05:03

Physical Science

What in the world is topological quantum matter?

Lesson duration 05:03

651,874 Views

05:06

Earth and Space Science

The first asteroid ever discovered

Lesson duration 05:06

294,805 Views

05:30

Life Sciences

Is DNA the future of data storage?

Lesson duration 05:30

399,285 Views

04:41

Growth & Development

The strange case of the cyclops sheep

Lesson duration 04:41

1,770,974 Views

05:45

Life Sciences

How aspirin was discovered

Lesson duration 05:45

2,940,854 Views

06:10

Philosophy

Are you a body with a mind or a mind with a body?

Lesson duration 06:10

3,255,994 Views