11:39

Science & Technology

World's only moving mud puddle

Lesson duration 11:39

7,992,325 Views

05:20

Mathematics

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

Lesson duration 05:20

3,821,787 Views

04:48

Social Studies

The infamous overpopulation bet: Simon vs. Ehrlich

Lesson duration 04:48

581,515 Views

04:26

Philosophy & Religion

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Lesson duration 04:26

2,286,908 Views

05:19

Design, Engineering & Technology

Yes, scientists are actually building an elevator to space

Lesson duration 05:19

806,210 Views

13:11

Psychology

An ode to envy - Parul Sehgal

Lesson duration 13:11

193,113 Views

05:08

Psychology

What is “normal” and what is “different”?

Lesson duration 05:08

862,956 Views

04:31

Philosophy

How do you know you’re not dreaming?

Lesson duration 04:31

613,595 Views

05:00

Science & Technology

This weird trick will help you summon an army of worms

Lesson duration 05:00

1,272,061 Views

05:40

Thinking & Learning

The Boltzmann brain paradox

Lesson duration 05:40

1,257,942 Views

05:35

Psychology

Would you pass the wallet test?

Lesson duration 05:35

1,224,968 Views

04:56

Earth and Space Science

The true science of parallel universes

Lesson duration 04:56

10,219,976 Views