04:35

Thinking & Learning

Can you solve the prisoner hat riddle?

Lesson duration 04:35

31,529,807 Views

05:32

Literature & Language

What "Orwellian" really means

Lesson duration 05:32

3,263,048 Views

04:58

Design, Engineering & Technology

The incredible collaboration behind the International Space Station

Lesson duration 04:58

689,597 Views

04:20

Thinking & Learning

How memories form and how we lose them

Lesson duration 04:20

2,969,959 Views

04:10

Health

The treadmill's dark and twisted past

Lesson duration 04:10

4,771,307 Views

04:30

Social Studies

What makes the Great Wall of China so extraordinary

Lesson duration 04:30

6,658,634 Views

03:21

Literature & Language

How misused modifiers can hurt your writing

Lesson duration 03:21

547,183 Views

03:50

Design, Engineering & Technology

Can you solve the bridge riddle?

Lesson duration 03:50

22,869,925 Views

03:42

Literature & Language

How false news can spread

Lesson duration 03:42

2,348,753 Views

04:49

Health

Why do some people go bald?

Lesson duration 04:49

3,452,829 Views

03:29

The Arts

A poetic experiment: Walt Whitman, interpreted by three animators

Lesson duration 03:29

399,347 Views

03:28

Literature & Language

Buffalo buffalo buffalo: One-word sentences and how they work

Lesson duration 03:28

911,958 Views

03:14

Literature & Language

When to use apostrophes

Lesson duration 03:14

1,216,651 Views

05:13

Psychology

Inside the minds of animals

Lesson duration 05:13

1,527,801 Views

04:26

The Arts

Why tragedies are alluring

Lesson duration 04:26

700,228 Views

03:36

Literature & Language

How to use a semicolon

Lesson duration 03:36

2,406,534 Views

05:04

Growth & Development

The benefits of a bilingual brain

Lesson duration 05:04

16,557,334 Views

04:42

Philosophy & Religion

Can you solve the famously difficult green-eyed logic puzzle?

Lesson duration 04:42

15,837,130 Views

04:20

Science & Technology

How plants tell time

Lesson duration 04:20

346,131 Views

04:42

Design, Engineering & Technology

How to detect a supernova

Lesson duration 04:42

211,126 Views

04:35

Business & Economics

How people rationalize fraud

Lesson duration 04:35

508,633 Views

03:46

Mathematics

The math behind Michael Jordan’s legendary hang time

Lesson duration 03:46

1,431,987 Views

04:37

Earth and Space Science

Will future spacecraft fit in our pockets?

Lesson duration 04:37

423,873 Views

07:00

Social Studies

How I responded to sexism in gaming with empathy

Lesson duration 07:00

365,897 Views