Lessons

11:38

Science & Technology

Why are we warm-blooded?

Lesson duration 11:38

2,998,872 Views

02:45

Science & Technology

Does being cold make you sick?

Lesson duration 02:45

6,584,908 Views

12:26

Social Studies

When is Thanksgiving?

Lesson duration 12:26

6,399,635 Views

09:28

Literature & Language

Who speaks Wukchumni? A vanishing Native American language

Lesson duration 09:28

105,095 Views

03:33

Physical Science

Why 350°F is the magic number for baking

Lesson duration 03:33

1,305,636 Views

06:15

Social Studies

Do we own the land?

Lesson duration 06:15

600,386 Views

14:46

Psychology

The history of manners

Lesson duration 14:46

1,387,995 Views

03:57

Social Studies

Black Friday: An accident of history

Lesson duration 03:57

521,526 Views

03:24

Health

How much sleep do you actually need?

Lesson duration 03:24

11,930,976 Views

09:43

Health

What if you never forgot anything?

Lesson duration 09:43

2,482,403 Views

09:45

Psychology

Why your phone is making you sad

Lesson duration 09:45

1,758,779 Views

03:12

Is this the world's oldest animal fossil?

Lesson duration 03:12

33,992 Views

07:31

Health

Does COVID mess with your DNA?

Lesson duration 07:31

270,723 Views

07:11

Social Studies

"Other": A brief history of American xenophobia

Lesson duration 07:11

81,784 Views

05:35

Design, Engineering & Technology

This piece of paper could revolutionize human waste

Lesson duration 05:35

3,194,377 Views