TED Talks

4200+ talks to stir your curiosity

Find just the right one

7:10

Nadia Lopez

Why open a school? To close a prison

Posted Sep 2016

4:07

Ayana Elizabeth Johnson and Jennifer Jacquet

Will the ocean ever run out of fish?

Posted Sep 2018

4:41

TED-Ed

How much electricity does it take to power the world?

Posted Mar 2021

4:55

Jacques S. Abramowicz

How does ultrasound work?

Posted Apr 2021

5:23

Anthony Hazard

The Atlantic slave trade: What too few textbooks told you

Posted Dec 2014

3:33

Sheila Marie Orfano

Why should you read "The Joy Luck Club" by Amy Tan?

Posted Dec 2019

4:19

Claudia Aguirre

What would happen if you didn't sleep?

Posted Nov 2015

5:05

Hyunsoo Joshua No

How does chemotherapy work?

Posted Dec 2019

5:07

Susan M. Reverby

Ugly History: The US syphilis experiment

Posted Jun 2021

12:07

Chris Anderson (TED)

Questions no one knows the answers to

Posted Mar 2012

12:39

Reshma Saujani

Teach girls bravery, not perfection

Posted Mar 2016

4:48

Kaitlyn Sadtler and Elizabeth Wayne

How the COVID-19 vaccines were created so quickly

Posted Aug 2021

4:56

Stefan Al

Why isn't the Netherlands underwater?

Posted Mar 2020

4:54

Ramon Glazov

Ancient Rome's most notorious doctor

Posted Jul 2019

12:57

Christian Benimana

The next generation of African architects and designers

Posted Dec 2017

4:21

Melody Smith

How bones make blood

Posted Jan 2020

5:35

Alex Rosenthal

When is a pandemic over?

Posted Jun 2020

5:25

Aomawa Shields

How we'll find life on other planets

Posted Jan 2016

4:49

TED-Ed

Why good ideas get trapped in the valley of death — and how to rescue them

Posted Apr 2021

5:16

Dan Reinstein

How does laser eye surgery work?

Posted Nov 2019

5:07

Lisa Janae Bacon

The life, legacy & assassination of an African revolutionary

Posted Feb 2020

5:59

Gerry Wright

How can we solve the antibiotic resistance crisis?

Posted Mar 2020

5:05

Stefan Al

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

Posted Apr 2020

4:52

Taneka Jones

How to 3D print human tissue

Posted Oct 2019

14:56

E.O. Wilson

Advice to a young scientist

Posted Jun 2012

4:30

Janet Iwasa

Why it's so hard to cure HIV/AIDS

Posted Mar 2015

4:44

Rebecca J. Barthelmie and Sara C. Pryor

How do wind turbines work?

Posted Apr 2021

15:23

Ngozi Okonjo-Iweala

How Africa can keep rising

Posted Aug 2016

4:17

Julian Burschka

Could a breathalyzer detect cancer?

Posted Jan 2020

5:26

Essam Daod

How we can bring mental health support to refugees

Posted Jun 2018

12:39

Alejandro Sánchez Alvarado

To solve old problems, study new species

Posted Jan 2017

4:34

Michelle Mehrtens

The historic women's suffrage march on Washington

Posted Mar 2019