04:59

Psychology

How some friendships last — and others don’t

Lesson duration 04:59

181,884 Views

04:19

Science & Technology

Why animals help each other

Lesson duration 04:19

153,747 Views

05:29

Psychology

How to manage your stress more effectively

Lesson duration 05:29

291,336 Views

05:35

Design, Engineering & Technology

How scientists are creating real-life invisibility cloaks

Lesson duration 05:35

239,741 Views

04:29

Science & Technology

The world’s longest-burning fires

Lesson duration 04:29

162,289 Views

06:05

Design, Engineering & Technology

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

Lesson duration 06:05

417,965 Views

06:01

Mathematics

Can you solve the trickster god riddle?

Lesson duration 06:01

290,508 Views

05:30

Thinking & Learning

Is safety worth the loss of privacy?

Lesson duration 05:30

138,905 Views

07:40

Social Studies

Ugly History: The Armenian Genocide

Lesson duration 07:40

343,975 Views

14:24

Social Studies

Democracy is being tested. Citizen assemblies can help - Ketakandriana Rafitoson

Lesson duration 14:24

25,060 Views

05:18

Health

How do kidney transplants work?

Lesson duration 05:18

183,912 Views

05:45

Social Studies

How to be fearless in the face of authoritarianism - Sviatlana Tsikhanouskaya

Lesson duration 05:45

106,807 Views

06:35

Literature & Language

The curse of the monkey's paw

Lesson duration 06:35

396,261 Views

06:06

Science & Technology

How do heat waves affect your body?

Lesson duration 06:06

412,533 Views

05:20

Health

3 reasons why medications are so expensive in the US

Lesson duration 05:20

182,441 Views

05:18

Thinking & Learning

The dungeon master's riddle

Lesson duration 05:18

442,859 Views

05:22

Health

What are those colors you see when you rub your eyes?

Lesson duration 05:22

331,822 Views

05:25

Social Studies

The real tale of the Monkey King in Heaven

Lesson duration 05:25

330,468 Views

05:37

Science & Technology

This mushroom will kill you before you know what’s happening

Lesson duration 05:37

777,009 Views

05:41

Social Studies

Greek mythology’s greatest warrior

Lesson duration 05:41

656,453 Views

05:01

Science & Technology

Are there any places on Earth with no bugs?

Lesson duration 05:01

243,109 Views

05:39

Science & Technology

You'll travel 1 trillion kilometers through space

Lesson duration 05:39

137,472 Views

05:35

Science & Technology

Why did it take so long to find giant squids?

Lesson duration 05:35

668,363 Views

05:49

Social Studies

What is hysteria, and why were so many women diagnosed with it?

Lesson duration 05:49

374,820 Views