05:31

Design, Engineering & Technology

Why don’t we get our drinking water from the ocean?

Lesson duration 05:31

490,777 Views

10:03

Health

Why daylight is the secret to great sleep - Christine Blume

Lesson duration 10:03

83,565 Views

10:03

Health

Which species would you get rid of? | Ada, Ep. 5

Lesson duration 10:03

143,829 Views

05:29

Design, Engineering & Technology

How are microchips made?

Lesson duration 05:29

358,342 Views

10:48

Health

Would you sell your kidney for $100,000? | Ada, Ep. 2

Lesson duration 10:48

203,524 Views

05:00

Psychology

Why you feel stuck — and how to get motivated

Lesson duration 05:00

661,580 Views

05:14

Design, Engineering & Technology

Have we reached the limit of computer power?

Lesson duration 05:14

303,790 Views

06:48

Health

What actually causes high cholesterol?

Lesson duration 06:48

925,192 Views

05:52

Social Studies

The history of the world according to rats

Lesson duration 05:52

346,344 Views

04:27

Social Studies

A day in the life of a martial artist in medieval China

Lesson duration 04:27

214,283 Views

05:26

Health

Do you really need to take 10,000 steps a day?

Lesson duration 05:26

6,037,463 Views

04:59

Psychology

How some friendships last — and others don’t

Lesson duration 04:59

929,438 Views

04:19

Science & Technology

Why animals help each other

Lesson duration 04:19

334,938 Views

05:00

Social Studies

Lady Meng Jiang: The legend of the woman who outwitted an evil emperor

Lesson duration 05:00

437,612 Views

05:29

Psychology

How to make your stress work for you

Lesson duration 05:29

453,596 Views

05:35

Design, Engineering & Technology

How scientists are creating real-life invisibility cloaks

Lesson duration 05:35

323,907 Views

04:29

Science & Technology

How are these fires burning underground?

Lesson duration 04:29

207,208 Views

06:05

Design, Engineering & Technology

Why don’t companies want you to repair your stuff?

Lesson duration 06:05

580,994 Views

05:37

Health

What staying up all night does to your brain

Lesson duration 05:37

4,239,978 Views

06:01

Mathematics

Can you solve the trickster god riddle?

Lesson duration 06:01

495,015 Views

05:30

Thinking & Learning

This could save lives— but are you willing to do it?

Lesson duration 05:30

350,729 Views

07:40

Social Studies

Ugly History: The Armenian Genocide

Lesson duration 07:40

446,321 Views

05:18

Health

How does kidney transplant surgery work?

Lesson duration 05:18

249,883 Views

06:35

Health

The real reason polio is so dangerous

Lesson duration 06:35

574,572 Views