06:19

Mathematics

Can you solve the rogue submarine riddle? Difficulty level: Master

Lesson duration 06:19

1,513,564 Views

05:18

The Arts

The secrets of the world’s most famous symphony

Lesson duration 05:18

1,742,462 Views

04:24

Science & Technology

You could have a secret twin (but not the way you think)

Lesson duration 04:24

2,807,258 Views

04:22

Science & Technology

Earth's mysterious red glow, explained

Lesson duration 04:22

613,123 Views

11:07

Psychology

2 questions to uncover your passion — and turn it into a career - Noeline Kirabo

Lesson duration 11:07

243,885 Views

04:57

Linguistics

What makes a language... a language?

Lesson duration 04:57

787,587 Views

05:52

History

The rise and fall of the Lakota Empire

Lesson duration 05:52

600,851 Views

05:29

Health

What is MSG, and is it actually bad for you?

Lesson duration 05:29

3,951,056 Views

04:48

Social Studies

The infamous overpopulation bet: Simon vs. Ehrlich

Lesson duration 04:48

581,526 Views

11:38

Science & Technology

Why are we warm-blooded?

Lesson duration 11:38

2,311,320 Views

05:27

Science & Technology

Is this the most successful animal ever?

Lesson duration 05:27

512,475 Views

05:55

Science & Technology

How we can detect pretty much anything

Lesson duration 05:55

325,594 Views

07:52

Thinking & Learning

Can you outsmart the slippery slope fallacy?

Lesson duration 07:52

1,002,052 Views

05:08

Health

How the COVID-19 vaccines were created so quickly

Lesson duration 05:08

1,207,592 Views

05:29

Social Studies

The secret society of the Great Dismal Swamp

Lesson duration 05:29

303,437 Views

05:07

Thinking & Learning

Can you solve the giant spider riddle?

Lesson duration 05:07

3,092,682 Views

05:06

Science & Technology

The method that can "prove" almost anything

Lesson duration 05:06

835,257 Views

05:19

Medical Conditions

What causes seizures, and how can we treat them?

Lesson duration 05:19

577,532 Views

05:21

Science & Technology

Iceland's superpowered underground volcanoes

Lesson duration 05:21

483,334 Views

04:56

Science & Technology

A year in the life of one of Earth's weirdest animals

Lesson duration 04:56

1,314,123 Views

05:12

History

The rise and fall of the Kingdom of Man

Lesson duration 05:12

1,171,343 Views

05:20

Mathematics

The paradox at the heart of mathematics: Gödel's Incompleteness Theorem

Lesson duration 05:20

3,822,006 Views

04:31

Science & Technology

Why do flamingos stand on one leg?

Lesson duration 04:31

219,475 Views

06:17

Literature & Language

How books can open your mind - Lisa Bu

Lesson duration 06:17

3,203,128 Views