05:02

Science & Technology

How much electricity does it take to power the world?

Lesson duration 05:02

427,506 Views

05:10

Health

Can loud music damage your hearing?

Lesson duration 05:10

705,300 Views

05:27

Science & Technology

The material that could change the world... for a third time

Lesson duration 05:27

983,801 Views

05:16

Science & Technology

How powerful is the world's biggest battery?

Lesson duration 05:16

654,607 Views

05:34

Literature & Language

Why do we, like, hesitate when we, um, speak?

Lesson duration 05:34

2,261,578 Views

04:41

Science & Technology

The “myth” of the boiling frog

Lesson duration 04:41

1,604,961 Views

05:50

Science & Technology

Why bats don't get sick

Lesson duration 05:50

1,410,409 Views

03:37

Literature

The Japanese myth of the trickster raccoon

Lesson duration 03:37

1,134,696 Views

05:15

Social Studies

The rise of the Ottoman Empire

Lesson duration 05:15

1,490,331 Views

05:47

Science & Technology

Who decides how long a second is?

Lesson duration 05:47

2,374,476 Views

05:41

Social Studies

Savitri and Satyavan: The legend of the princess who outwitted Death

Lesson duration 05:41

5,775,689 Views

04:47

Social Studies

A day in the life of an ancient Babylonian business mogul

Lesson duration 04:47

1,183,359 Views

05:07

Literature

Why should you read Toni Morrison’s “Beloved”?

Lesson duration 05:07

626,250 Views

05:05

Science & Technology

The life cycle of a cup of coffee

Lesson duration 05:05

1,434,046 Views

04:57

Psychology

Do personality tests work?

Lesson duration 04:57

1,173,559 Views

05:38

The strange history of the world's most stolen painting

Lesson duration 05:38

850,975 Views

05:42

Science & Technology

3 bizarre (and delightful) ancient theories about bird migration

Lesson duration 05:42

392,062 Views

02:30

Literature & Language

What happens when you die? A poetic inquiry

Lesson duration 02:30

331,255 Views

04:59

Science & Technology

This thought experiment will help you understand quantum mechanics

Lesson duration 04:59

306,125 Views

05:38

Design, Engineering & Technology

Building the world's largest (and most controversial) power plant

Lesson duration 05:38

1,075,360 Views

05:36

Thinking & Learning

Can you solve the monster duel riddle?

Lesson duration 05:36

3,663,609 Views

06:28

Science & Technology

The world’s largest organism

Lesson duration 06:28

696,354 Views

05:56

Earth and Space Science

The most colorful gemstones on Earth

Lesson duration 05:56

652,069 Views

05:29

Literature & Language

The myth of Loki and the deadly mistletoe

Lesson duration 05:29

2,925,054 Views