04:54

Health

This is the most common way to get head lice

Lesson duration 04:54

185,667 Views

10:03

Health

Why daylight is the secret to great sleep - Christine Blume

Lesson duration 10:03

84,383 Views

10:03

Health

Which species would you get rid of? | Ada, Ep. 5

Lesson duration 10:03

146,120 Views

10:07

Health

Should we get rid of pregnancy? | Ada, Ep. 3

Lesson duration 10:07

215,579 Views

10:48

Health

Would you sell your kidney for $100,000? | Ada, Ep. 2

Lesson duration 10:48

205,059 Views

06:48

Health

What actually causes high cholesterol?

Lesson duration 06:48

937,427 Views

05:52

Social Studies

The history of the world according to rats

Lesson duration 05:52

348,267 Views

05:26

Health

Do you really need to take 10,000 steps a day?

Lesson duration 05:26

6,129,529 Views

06:35

Health

The real reason polio is so dangerous

Lesson duration 06:35

578,470 Views

06:06

Science & Technology

How do heat waves affect your body?

Lesson duration 06:06

571,628 Views

05:33

Health

What’s the best way to treat the common cold?

Lesson duration 05:33

1,015,154 Views

04:48

Design, Engineering & Technology

The thing in your kitchen most likely to kill you

Lesson duration 04:48

274,090 Views

05:14

Health

What are warts — and how do you get rid of them?

Lesson duration 05:14

514,057 Views

04:31

Design, Engineering & Technology

How do gas masks actually work?

Lesson duration 04:31

599,959 Views

05:44

Social Studies

The diseases that changed humanity forever

Lesson duration 05:44

770,881 Views

04:37

Health

What would happen if everyone stopped eating meat tomorrow?

Lesson duration 04:37

1,029,383 Views

12:52

Health

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

Lesson duration 12:52

49,059 Views

05:27

Science & Technology

Ethical dilemma: Should we get rid of mosquitoes?

Lesson duration 05:27

1,124,439 Views

06:10

Science & Technology

3 ways to end a virus

Lesson duration 06:10

457,330 Views

05:33

Social Studies

Why plague doctors wore beaked masks

Lesson duration 05:33

1,870,273 Views

06:07

Health

Will there be another pandemic in your lifetime?

Lesson duration 06:07

483,073 Views

05:46

Health

Could one vaccine protect against everything?

Lesson duration 05:46

298,778 Views

05:18

Health

Why is it so hard to cure the common cold?

Lesson duration 05:18

1,035,445 Views

05:24

Social Studies

The 4 greatest threats to the survival of humanity

Lesson duration 05:24

509,193 Views