04:58

Literature & Language

Zen kōans: unsolvable enigmas designed to break your brain

Lesson duration 04:58

3,036,248 Views

17:25

Teaching & Education

How teachers can help kids find their political voices - Sydney Chaffee

Lesson duration 17:25

97,836 Views

04:53

History

What really happened to the Library of Alexandria?

Lesson duration 04:53

2,779,859 Views

03:46

Health

The most extreme births in the animal kingdom

Lesson duration 03:46

14,776,066 Views

05:20

Social Studies

How the Normans changed the history of Europe

Lesson duration 05:20

3,235,782 Views

05:17

Design, Engineering & Technology

How feng shui shaped Hong Kong's skyline

Lesson duration 05:17

3,604,566 Views

09:39

Science & Technology

How laser tattoo removal works

Lesson duration 09:39

16,344,477 Views

06:49

Business & Economics

Why Starbucks failed in Australia

Lesson duration 06:49

9,041,738 Views

05:13

Mathematics

Can you solve the rogue AI riddle?

Lesson duration 05:13

4,077,915 Views

04:42

The Arts

What a conductor actually does on stage

Lesson duration 04:42

3,398,981 Views

11:25

Science & Technology

The first humans on Mars

Lesson duration 11:25

786,350 Views

05:29

Science & Technology

The Cheerios effect

Lesson duration 05:29

4,436,527 Views

03:27

Social Studies

Why don't country flags use the color purple?

Lesson duration 03:27

10,346,753 Views

05:06

Health

Why does your voice change as you get older?

Lesson duration 05:06

1,735,407 Views

04:38

Social Psychology

Did ancient Troy really exist?

Lesson duration 04:38

2,066,195 Views

19:01

Design, Engineering & Technology

New bionics let us run, climb and dance - Hugh Herr

Lesson duration 19:01

15,189,163 Views

09:29

Science & Technology

Why the ocean is getting louder

Lesson duration 09:29

2,215,659 Views

04:41

Science & Technology

Who owns Antarctica?

Lesson duration 04:41

7,565,339 Views

04:40

Literature & Language

How can you change someone's mind? (hint: facts aren't always enough)

Lesson duration 04:40

2,198,993 Views

04:49

Social Studies

The breathtaking courage of Harriet Tubman

Lesson duration 04:49

1,911,966 Views

03:10

Science & Technology

Where does the smell of rain come from?

Lesson duration 03:10

806,917 Views

05:03

Health

Myths you learned in health class

Lesson duration 05:03

545,348 Views

04:34

Social Studies

A day in the life of an ancient Egyptian doctor

Lesson duration 04:34

6,495,289 Views

03:51

Earth and Space Science

How your split ends can help clean oil spills

Lesson duration 03:51

2,775,754 Views