05:23

Design, Engineering & Technology

How the water you flush becomes the water you drink

Lesson duration 05:23

413,898 Views

05:04

Science & Technology

Whoever builds something here will be rich beyond measure

Lesson duration 05:04

350,656 Views

04:55

Design, Engineering & Technology

What happens if you don’t put your phone in airplane mode?

Lesson duration 04:55

3,526,402 Views

05:26

Science & Technology

Why your phone battery gets worse over time

Lesson duration 05:26

574,967 Views

04:56

Social Studies

How dangerous was it to be a jester?

Lesson duration 04:56

1,262,769 Views

05:03

Psychology

How to enter flow state

Lesson duration 05:03

1,766,844 Views

05:48

Science & Technology

Science vs. Pseudoscience

Lesson duration 05:48

385,630 Views

05:19

Social Studies

The rise and fall of Italy’s warriors-for-hire

Lesson duration 05:19

249,571 Views

05:12

Social Studies

One of history's most dangerous myths

Lesson duration 05:12

467,386 Views

05:33

Science & Technology

What's happening to Earth's core?

Lesson duration 05:33

409,804 Views

06:03

Science & Technology

Can other animals understand death?

Lesson duration 06:03

978,438 Views

05:18

Mathematics

Can you solve the time traveling car riddle?

Lesson duration 05:18

771,664 Views

05:25

Science & Technology

Why did Megalodon go extinct?

Lesson duration 05:25

1,273,944 Views

05:14

Science & Technology

Gravity vs. Pressure: The battle that formed the universe

Lesson duration 05:14

195,740 Views

06:22

Social Studies

What caused the Rwandan Genocide?

Lesson duration 06:22

1,311,714 Views

05:32

Science & Technology

Should you switch to solar?

Lesson duration 05:32

380,551 Views

05:49

Social Studies

Why is Marie Antoinette so controversial?

Lesson duration 05:49

1,269,604 Views

05:38

Social Studies

Who is the fastest god in all mythology?

Lesson duration 05:38

354,801 Views

04:44

Psychology

Do you see a face? You're actually hallucinating

Lesson duration 04:44

415,573 Views

05:27

Social Studies

What did people do before anesthesia?

Lesson duration 05:27

1,902,969 Views

05:06

Science & Technology

Food expiration dates don’t mean what you think

Lesson duration 05:06

5,394,098 Views

04:55

The Arts

Test yourself: Can you tell the difference between music and noise?

Lesson duration 04:55

582,947 Views

04:41

Literature & Language

How (and why) to read William Faulkner

Lesson duration 04:41

254,231 Views

05:24

Mathematics

Can you outsmart Fate and break her ancient curse?

Lesson duration 05:24

1,394,176 Views