05:19

Design, Engineering & Technology

Yes, scientists are actually building an elevator to space

Lesson duration 05:19

810,570 Views

08:35

Science & Technology

Why you don’t hear about the ozone layer anymore

Lesson duration 08:35

9,604,265 Views

05:29

Mathematics

Can you solve the human cannonball riddle?

Lesson duration 05:29

965,675 Views

05:14

Science & Technology

How to get better at video games, according to babies

Lesson duration 05:14

556,622 Views

05:54

Thinking & Learning

Can you solve the computer virus riddle?

Lesson duration 05:54

1,304,083 Views

05:06

Science & Technology

Where will you be able to live in 20 years?

Lesson duration 05:06

545,957 Views

06:19

Mathematics

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

Lesson duration 06:19

1,567,837 Views

22:09

Mathematics

The simplest math problem no one can solve

Lesson duration 22:09

43,174,414 Views

15:13

Sex Education

How porn changes the way teens think about sex - Emily F. Rothman

Lesson duration 15:13

703,594 Views

05:55

Science & Technology

How we can detect pretty much anything

Lesson duration 05:55

326,962 Views

07:52

Thinking & Learning

Can you outsmart the slippery slope fallacy?

Lesson duration 07:52

1,037,150 Views

05:07

Thinking & Learning

Can you solve the giant spider riddle?

Lesson duration 05:07

3,148,814 Views

05:06

Science & Technology

The method that can "prove" almost anything

Lesson duration 05:06

841,510 Views

05:20

Mathematics

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

Lesson duration 05:20

3,878,377 Views

06:17

Literature & Language

How books can open your mind - Lisa Bu

Lesson duration 06:17

3,220,591 Views

11:39

Science & Technology

World's only moving mud puddle

Lesson duration 11:39

8,242,733 Views

04:57

Design, Engineering & Technology

Could we build a wooden skyscraper?

Lesson duration 04:57

1,404,552 Views

04:53

Thinking & Learning

Can you cheat death by solving this riddle?

Lesson duration 04:53

5,708,812 Views

05:12

Psychology

How do you know what's true?

Lesson duration 05:12

1,304,071 Views

05:38

Thinking & Learning

Can you solve the Trojan War riddle?

Lesson duration 05:38

2,733,292 Views

05:18

Science & Technology

The woman who stared at the sun

Lesson duration 05:18

2,228,724 Views

16:08

Psychology

Why rumors about vaccines spread— and how to rebuild trust - Heidi Larson

Lesson duration 16:08

25,357 Views

11:49

Psychology

How to let go of being a "good" person — and become a better person - Dolly Chugh

Lesson duration 11:49

709,990 Views

05:48

Health

Should you donate your DNA to help cure diseases?

Lesson duration 05:48

174,579 Views