05:17

Social Studies

Why do we have crooked teeth when our ancestors didn’t?

Lesson duration 05:17

4,026,398 Views

22:56

Science & Technology

We're building a dystopia just to make people click on ads - Zeynep Tufekci

Lesson duration 22:56

741,202 Views

04:59

Social Studies

Why did the British Empire burn, sink, and hide these documents?

Lesson duration 04:59

331,682 Views

04:53

Science & Technology

The return of Mongolia's "wild" horses

Lesson duration 04:53

217,116 Views

05:20

Social Studies

Why do we eat popcorn at the movies?

Lesson duration 05:20

1,144,802 Views

05:13

Science & Technology

Whatever happened to the hole in the ozone layer?

Lesson duration 05:13

573,434 Views

05:35

Science & Technology

The surprising secret to a healthier gut

Lesson duration 05:35

354,163 Views

05:48

Literature & Language

The Hawaiian story of the wind keepers

Lesson duration 05:48

223,571 Views

06:51

Why the "wrong side of the tracks" is usually the east side of cities

Lesson duration 06:51

179,382 Views

09:01

Education is a fundamental right for every child

Lesson duration 09:01

25,650 Views

18:55

This country isn't just carbon neutral — it's carbon negative

Lesson duration 18:55

3,643,232 Views

11:37

The global movement to restore nature's biodiversity

Lesson duration 11:37

322,659 Views

04:38

Why beef is the worst food for the climate

Lesson duration 04:38

1,106,309 Views

13:43

A climate change solution that's right under our feet

Lesson duration 13:43

122,366 Views

07:19

Health

How to calm your anxiety, from a neuroscientist - Wendy Suzuki

Lesson duration 07:19

551,081 Views

06:00

Science & Technology

How does this all-female species reproduce?

Lesson duration 06:00

433,378 Views

05:20

Social Studies

The most important century in human history

Lesson duration 05:20

370,759 Views

05:03

Health

How stretching actually changes your muscles

Lesson duration 05:03

7,807,074 Views

05:08

Thinking & Learning

This one weird trick will get you infinite gold

Lesson duration 05:08

1,302,443 Views

05:06

Life Sciences

When you're an ant but also a fungus tycoon

Lesson duration 05:06

292,260 Views

04:46

Social Studies

A day in the life of a teenager in medieval Baghdad

Lesson duration 04:46

879,835 Views

06:02

Health

The man who lost his sense of touch

Lesson duration 06:02

537,751 Views

05:42

Science & Technology

What happens if an engineered virus escapes the lab?

Lesson duration 05:42

1,079,100 Views

12:42

Psychology

To raise brave girls, encourage adventure - Caroline Paul

Lesson duration 12:42

166,983 Views