TED Talks

4200+ talks to stir your curiosity

Find just the right one

10:30

Nabiha Saklayen

Could you recover from illness ... using your own stem cells?

Posted Sep 2021

9:52

Liam Young

Planet City — a sci-fi vision of an astonishing regenerative future

Posted Sep 2021

4:04

Kayla Mandel Sheets

You could have a secret twin (but not the way you think)

Posted Sep 2021

4:01

Zoe Pierrat

Earth's mysterious red glow, explained

Posted Sep 2021

15:37

Katie Mack

Life-altering questions about the end of the universe

Posted Sep 2021

8:02

Chen Qiufan

A sci-fi vision of life in 2041

Posted Sep 2021

2:22

Susan Graham

A new way to restore Earth's biodiversity — from the air

Posted Sep 2021

5:10

Sarah E. Tracy

What is MSG, and is it actually bad for you?

Posted Sep 2021

5:32

Climate Action Tracker

The state of the climate crisis in 2021

Posted Sep 2021

4:34

Soraya Field Fiorio

The infamous overpopulation bet: Simon vs. Ehrlich

Posted Aug 2021

5:40

Hélène Morlon and Anna Papadopoulou

How we can detect pretty much anything

Posted Aug 2021

4:48

Kaitlyn Sadtler and Elizabeth Wayne

How the COVID-19 vaccines were created so quickly

Posted Aug 2021

7:58

Clara Sousa-Silva

The fingerprints of life beyond Earth

Posted Aug 2021

4:52

James A. Smith

The method that can "prove" almost anything

Posted Aug 2021

12:41

Kathryn A. Whitehead

The tiny balls of fat that could revolutionize medicine

Posted Aug 2021

4:58

Christopher E. Gaw

What causes seizures, and how can we treat them?

Posted Aug 2021

24:50

Uğur Şahin and Özlem Türeci

Meet the scientist couple driving an mRNA vaccine revolution

Posted Aug 2021

4:37

Gilad Bino

A year in the life of one of Earth's weirdest animals

Posted Jul 2021

12:44

Claire Malone

The missing 96 percent of the universe

Posted Jul 2021

5:13

Lukas Rieppel

The most notorious scientific feud in history

Posted Jul 2021

11:13

Anne Scherer

Why we're more honest with machines than people

Posted Jun 2021

5:00

Darien Satterfield

Real-life "Alien" jaws

Posted Jun 2021

5:16

Kathy Hannun

How to heat your home without hurting the planet

Posted Jun 2021

5:02

Luis Zambrano

These salamanders snack on each other (but don't die)

Posted Jun 2021

5:38

Sarah Rugheimer

The search for microscopic aliens

Posted Jun 2021

5:28

Luka Seamus Wright

The sharks that hunt in forests

Posted Jun 2021

3:35

Jen Gunter

Why healthy bones are about so much more than milk

Posted Jun 2021

5:07

Susan M. Reverby

Ugly History: The US syphilis experiment

Posted Jun 2021

5:19

Aaron Morris

How your body could become its own diagnostic lab

Posted Jun 2021

4:03

Nina G. Jablonski

Why do we have hair in such random places?

Posted Jun 2021

5:02

Jen Gunter

What really happens to your body during menopause

Posted Jun 2021

4:11

Jen Gunter

Why you shouldn't worry about pooping once a day

Posted May 2021

5:56

Brittany Young

How dirt bikes and STEM ignite ingenuity in Baltimore

Posted May 2021

4:25

Philip Renaud and Kenneth Kostel

Could you survive the real Twilight Zone?

Posted May 2021

4:59

Alex Gendler

The woman who stared at the sun

Posted May 2021

6:24

Katie Mack

The death of the universe — and what it means for life

Posted May 2021