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5:49

What is hysteria, and why were so many women diagnosed with it? - Mark S. Micale

TED-Ed

128K views

5:45

The benefits of a good night's sleep - Shai Marcu

TED-Ed

6.6M views

5:35

Why did it take so long to find giant squids? - Anna Rothschild

TED-Ed

109K views

5:15

How does caffeine keep us awake? - Hanan Qasim

TED-Ed

5.3M views

4:52

What would happen if you didn’t drink water? - Mia Nacamulli

TED-Ed

22M views

6:15

Which is better: Soap or hand sanitizer? - Alex Rosenthal and Pall Thordarson

TED-Ed

5.2M views

5:33

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

TED-Ed

392K views

4:47

Why is it so dangerous to step on a rusty nail? - Louise Thwaites

TED-Ed

3.1M views

5:43

What causes addiction, and why is it so hard to treat? - Judy Grisel

TED-Ed

548K views

4:29

What is depression? - Helen M. Farrell

TED-Ed

25M views

3:55

The science of spiciness - Rose Eveleth

TED-Ed

4.5M views

5:19

Is it normal to talk to yourself?

TED-Ed

6.1M views

5:09

What sex ed doesn’t tell you about your brain - Shannon Odell

TED-Ed

2M views

4:35

What would happen if you didn’t sleep? - Claudia Aguirre

TED-Ed

14M views

5:26

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

TED-Ed

2.3M views

3:59

Cell vs. virus: A battle for health - Shannon Stiles

TED-Ed

10M views

5:58

What is bipolar disorder? - Helen M. Farrell

TED-Ed

13M views