04:58

Literature & Language

Zen kōans: unsolvable enigmas designed to break your brain

Lesson duration 04:58

3,036,534 Views

17:25

Teaching & Education

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

Lesson duration 17:25

97,994 Views

04:53

History

What really happened to the Library of Alexandria?

Lesson duration 04:53

2,780,825 Views

03:46

Health

The most extreme births in the animal kingdom

Lesson duration 03:46

14,789,148 Views

05:20

Social Studies

How the Normans changed the history of Europe

Lesson duration 05:20

3,236,927 Views

05:17

Design, Engineering & Technology

How feng shui shaped Hong Kong's skyline

Lesson duration 05:17

3,604,873 Views

09:39

Science & Technology

How laser tattoo removal works

Lesson duration 09:39

16,344,736 Views

06:49

Business & Economics

Why Starbucks failed in Australia

Lesson duration 06:49

9,043,288 Views

05:13

Mathematics

Can you solve the rogue AI riddle?

Lesson duration 05:13

4,078,564 Views

04:42

The Arts

What a conductor actually does on stage

Lesson duration 04:42

3,399,764 Views

11:25

Science & Technology

The first humans on Mars

Lesson duration 11:25

786,377 Views

05:29

Science & Technology

The Cheerios effect

Lesson duration 05:29

4,436,956 Views

03:27

Social Studies

Why don't country flags use the color purple?

Lesson duration 03:27

10,346,928 Views

05:06

Health

Why does your voice change as you get older?

Lesson duration 05:06

1,735,592 Views

04:38

Social Psychology

Did ancient Troy really exist?

Lesson duration 04:38

2,067,025 Views

19:01

Design, Engineering & Technology

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

Lesson duration 19:01

15,189,414 Views

09:29

Science & Technology

Why the ocean is getting louder

Lesson duration 09:29

2,215,698 Views

04:41

Science & Technology

Who owns Antarctica?

Lesson duration 04:41

7,567,745 Views

04:40

Literature & Language

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

Lesson duration 04:40

2,199,278 Views

04:49

Social Studies

The breathtaking courage of Harriet Tubman

Lesson duration 04:49

1,913,653 Views

03:10

Science & Technology

Where does the smell of rain come from?

Lesson duration 03:10

807,006 Views

05:03

Health

Myths you learned in health class

Lesson duration 05:03

545,447 Views

04:34

Social Studies

A day in the life of an ancient Egyptian doctor

Lesson duration 04:34

6,496,030 Views

03:51

Earth and Space Science

How your split ends can help clean oil spills

Lesson duration 03:51

2,775,796 Views