05:07

Thinking & Learning

How did clouds get their names?

Lesson duration 05:07

899,018 Views

03:18

Social Studies

Let's make history…by recording it

Lesson duration 03:18

217,355 Views

05:16

Thinking & Learning

¿Qué porcentaje del cerebro usas? - Richard E. Cytowic

Lesson duration 05:16

355,634 Views

05:12

Thinking & Learning

What’s the difference between a scientific law and theory?

Lesson duration 05:12

1,853,081 Views

04:10

Philosophy

Would you opt for a life with no pain?

Lesson duration 04:10

3,313,161 Views

03:58

Literature & Language

The Road Less Traveled By

Lesson duration 03:58

484,838 Views

04:42

The Arts

How to write descriptively

Lesson duration 04:42

5,384,368 Views

04:35

Health

What would happen if you didn’t sleep?

Lesson duration 04:35

14,480,678 Views

04:32

Social Studies

The science behind the myth: Homer's "Odyssey"

Lesson duration 04:32

2,868,961 Views

04:16

Health

How stress affects your brain

Lesson duration 04:16

7,899,043 Views

09:53

Environmental Science

How I teach kids to love science - Cesar Harada

Lesson duration 09:53

8,817 Views

04:25

Health

Why can’t some people stop fidgeting?

Lesson duration 04:25

241,371 Views

02:47

Earth and Space Science

The amazing life of sand

Lesson duration 02:47

985,115 Views

04:08

Health

How mucus keeps us healthy

Lesson duration 04:08

1,331,566 Views

04:20

Health

What makes muscles grow?

Lesson duration 04:20

22,434,671 Views

04:37

Mathematics

Group theory 101: How to play a Rubik’s Cube like a piano

Lesson duration 04:37

1,648,742 Views

05:12

Design, Engineering & Technology

How do hard drives work?

Lesson duration 05:12

2,667,016 Views

01:55

Social Studies

A British soldier spared Hitler's life

Lesson duration 01:55

2,427,662 Views

04:30

Philosophy

Who was Confucius?

Lesson duration 04:30

1,596,824 Views

04:45

Design, Engineering & Technology

How computers translate human language

Lesson duration 04:45

425,960 Views

04:43

Health

How stress affects your body

Lesson duration 04:43

8,138,805 Views

06:36

Design, Engineering & Technology

Real Beauty

Lesson duration 06:36

12,084,335 Views

01:32

Design, Engineering & Technology

Want to survive a hurricane? Think like a tree...

Lesson duration 01:32

79,278 Views

04:39

Science & Technology

How a few scientists transformed the way we think about disease

Lesson duration 04:39

738,912 Views