05:46

Psychology

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9,142,706 Views

05:04

Growth & Development

The benefits of a bilingual brain

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16,629,878 Views

05:45

Social Studies

How to be fearless in the face of authoritarianism - Sviatlana Tsikhanouskaya

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04:52

Nutrition

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09:10

How to lead a conversation between people who disagree - Eve Pearlman

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165,891 Views

05:26

Science & Technology

What happens if you cut down all of a city's trees?

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2,579,918 Views

04:54

Design, Engineering & Technology

How does an air conditioner actually work?

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422,580 Views

05:04

Psychology

Why is it so hard to break a bad habit?

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1,023,392 Views

13:22

Psychology

Why you should define your fears instead of your goals

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4,496,589 Views

06:21

Environmental Science

Can the ocean run out of oxygen?

Lesson duration 06:21

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15:12

Psychology

Why you feel anxious socializing (and what to do about it) - Fallon Goodman

Lesson duration 15:12

267,650 Views

04:54

Design, Engineering & Technology

Why the @#$% is there so much traffic?

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581,652 Views

05:52

History

The rise and fall of the Lakota Empire

Lesson duration 05:52

617,503 Views

04:34

Life Sciences

How does your body know you're full?

Lesson duration 04:34

2,622,626 Views

04:40

Literature & Language

How can you change someone's mind? (hint: facts aren't always enough)

Lesson duration 04:40

2,207,108 Views

12:52

Health

Is someone you love suffering in silence? Here's what to do - Gus Worland

Lesson duration 12:52

49,293 Views

05:23

Social Studies

Why was the US government obsessed with this animal?

Lesson duration 05:23

320,310 Views

03:47

Social Studies

History through the eyes of the potato

Lesson duration 03:47

2,480,542 Views

05:26

Health

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Lesson duration 05:26

9,030,080 Views

11:38

Thinking & Learning

Why you think you're right — even if you're wrong

Lesson duration 11:38

2,207,696 Views

06:15

Medical Conditions

What happens when you have a concussion?

Lesson duration 06:15

2,370,256 Views

05:10

Nutrition

How the food you eat affects your gut

Lesson duration 05:10

6,626,181 Views

04:37

Health

What would happen if everyone stopped eating meat tomorrow?

Lesson duration 04:37

1,071,675 Views

21:08

Psychology

How our siblings shape who we are - Jeff Kluger

Lesson duration 21:08

650,007 Views