TED Talks

4200+ talks to stir your curiosity

Find just the right one

8:46

Josh Giegel

Super speed, magnetic levitation and the vision behind the hyperloop

Posted Nov 2021

5:26

Jeffrey A. Lockwood

Are locust plagues unstoppable?

Posted Nov 2021

5:52

Nithya Ramanathan

The problem of vaccine spoilage — and a smart sensor to help

Posted Nov 2021

1:30

Matt Walker

How daylight saving time affects our bodies, minds — and world

Posted Nov 2021

15:46

Al Gore

How to make radical climate action the new normal

Posted Nov 2021

4:28

Helen Farr and Jon Adams

Why is this 2,500 year old shipwreck so well-preserved?

Posted Oct 2021

12:40

Isha Datar

How we could eat real meat without harming animals

Posted Oct 2021

5:06

Dan Kwartler

Why don't we cover the desert with solar panels?

Posted Oct 2021

4:47

Carol Farbotko and Ingrid Boas

Where will you be able to live in 20 years?

Posted Oct 2021

13:49

Steven Johnson

How humanity doubled life expectancy in a century

Posted Oct 2021

9:49

Mads Tang-Christensen

The brain science of obesity

Posted Oct 2021

4:46

Devin Shuman

The genes you don't get from your parents (but can't live without)

Posted Oct 2021

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