TED Talks

4000+ talks to stir your curiosity

Find just the right one

4:12

Christian Moro

The surprising reason our muscles get tired

Posted Apr 2019

3:55

Conor Heffernan

The treadmill's dark and twisted past

Posted Sep 2015

10:05

Simona Francese

Your fingerprints reveal more than you think

Posted Sep 2018

3:58

Mel Rosenberg

What causes bad breath?

Posted Apr 2015

11:20

Chris Nowinski

Can I have your brain? The quest for truth on concussions and CTE

Posted Mar 2018

4:36

Emma Bryce

Should we eat bugs?

Posted Jan 2014

13:04

Lisa Mosconi

How menopause affects the brain

Posted Mar 2020

10:54

Christoph Keplinger

The artificial muscles that will power robots of the future

Posted Apr 2019

4:47

Joshua W. Pate

The mysterious science of pain

Posted May 2019

14:01

Emily Quinn

The way we think about biological sex is wrong

Posted Jan 2019

4:32

Anees Bahji

Why are eating disorders so hard to treat?

Posted May 2022

9:37

Alexander Tsiaras

Conception to birth — visualized

Posted Nov 2011

11:41

Nina Dølvik Brochmann and Ellen Støkken Dahl

The virginity fraud

Posted Feb 2018

3:39

George Zaidan and Charles Morton

How do cancer cells behave differently from healthy ones?

Posted Dec 2012

5:04

Judy Grisel

How does alcohol make you drunk?

Posted Apr 2020

4:34

Ami Angelowicz

The terrors of sleep paralysis

Posted Jul 2013

9:08

Ananya Grover

A campaign for period positivity

Posted Mar 2020

5:02

Masako Tamaki

Can you be awake and asleep at the same time?

Posted May 2021

4:35

Annie Bosler and Don Greene

How to practice effectively...for just about anything

Posted Feb 2017

19:18

Matt Walker

Sleep is your superpower

Posted May 2019

10:58

Carson Bruns

Could a tattoo help you stay healthy?

Posted May 2019

4:07

George Zaidan

What is fat?

Posted May 2013

6:05

Janet Iwasa

The wonders of the molecular world, animated

Posted Apr 2020

24:50

Uğur Şahin and Özlem Türeci

Meet the scientist couple driving an mRNA vaccine revolution

Posted Aug 2021

4:17

Julian Burschka

Could a breathalyzer detect cancer?

Posted Jan 2020

18:46

Elizabeth Blackburn

The science of cells that never get old

Posted Nov 2017

5:52

Greg Gage

How to control someone else's arm with your brain

Posted Apr 2015

5:03

Dan Kwartler

What causes insomnia?

Posted Jun 2018

19:22

Mark Pollock and Simone George

A love letter to realism in a time of grief

Posted Sep 2018

4:02

Aatish Bhatia

The physics of human sperm vs. the physics of the sperm whale

Posted Sep 2013

4:19

Claudia Aguirre

What would happen if you didn't sleep?

Posted Nov 2015

4:00

Madhumita Murgia

How stress affects your brain

Posted Nov 2015

4:43

Liesbeth Demuyser

What causes yeast infections, and how do you get rid of them?

Posted Jul 2022

13:49

Steven Johnson

How humanity doubled life expectancy in a century

Posted Oct 2021

1h 0m

Matt Walker

Why sleep matters now more than ever

Posted Apr 2020

4:52

Daniel M. Abrams

Why are some people left-handed?

Posted Feb 2015