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Most questions answered

Least questions answered

07:11

Social Studies

"Other": A brief history of American xenophobia

Lesson duration 07:11

66,819 Views

02:11

Literature & Language

"Jabberwocky": One of literature's best bits of nonsense

Lesson duration 02:11

1,011,945 Views

05:34

Design, Engineering & Technology

A day in the life of an ancient Greek architect

Lesson duration 05:34

581,717 Views

05:00

Social Studies

The Japanese folktale of the selfish scholar

Lesson duration 05:00

2,427,981 Views

18:23

Design, Engineering & Technology

Why fascism is so tempting— and how your data could power it - Yuval Noah Harari

Lesson duration 18:23

775,398 Views

05:34

Environmental Science

A brief history of plastic

Lesson duration 05:34

1,297,455 Views

12:26

Emotional Health

How to fix a broken heart - Guy Winch

Lesson duration 12:26

11,068,993 Views

05:18

Psychology

Are all of your memories real?

Lesson duration 05:18

2,061,947 Views

05:16

Thinking & Learning

Why people fall for misinformation

Lesson duration 05:16

683,530 Views

06:00

Thinking & Learning

Can you solve the sorting hat riddle?

Lesson duration 06:00

3,026,605 Views

05:47

Science & Technology

The fish that walk on land

Lesson duration 05:47

1,018,544 Views

21:08

Psychology

How our siblings shape who we are - Jeff Kluger

Lesson duration 21:08

646,960 Views

05:45

Thinking & Learning

How to outsmart the Prisoner’s Dilemma

Lesson duration 05:45

4,681,935 Views

05:22

Environmental Science

Is the weather actually becoming more extreme?

Lesson duration 05:22

575,900 Views

04:43

Literature & Language

Evolution’s great mystery: Language

Lesson duration 04:43

634,083 Views

06:22

Social Studies

The rise of modern populism

Lesson duration 06:22

654,214 Views

06:21

Environmental Science

Can the ocean run out of oxygen?

Lesson duration 06:21

779,380 Views

05:39

Health

What’s that ringing in your ears?

Lesson duration 05:39

7,082,917 Views

15:14

Psychology

How to change your behavior for the better - Dan Ariely

Lesson duration 15:14

594,137 Views

05:32

Science & Technology

The last living members of an extinct species

Lesson duration 05:32

1,088,010 Views

05:49

Mathematics

Can you solve the cheating royal riddle?

Lesson duration 05:49

5,211,506 Views

05:31

Thinking & Learning

Can you outsmart the fallacy that fooled a generation of doctors?

Lesson duration 05:31

1,804,728 Views

04:48

Anthropology

The myth of Ireland's two greatest warriors

Lesson duration 04:48

1,336,011 Views

05:05

Science & Technology

The big-beaked, rock-munching fish that protect coral reefs

Lesson duration 05:05

481,208 Views

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