TED Talks

3600+ talks to stir your curiosity

Find just the right one

5:26

John Kitching

Who decides how long a second is?

Posted Jan 2021

14:08

Max Rashbrooke

3 ways to upgrade democracy for the 21st century

Posted Jan 2021

10:08

Mainak Mazumdar

How bad data keeps us from good AI

Posted Jan 2021

5:55

Jamila Gordon

How AI can help shatter barriers to equality

Posted Jan 2021

14:48

Genevieve Bell

6 big ethical questions about the future of AI

Posted Dec 2020

20:00

Ajay Banga

Financial inclusion, the digital divide and other thoughts on the future of money

Posted Dec 2020

5:18

Alex Gendler

Building the world's largest (and most controversial) power plant

Posted Dec 2020

15:20

Emily Levesque

A stellar history of modern astronomy

Posted Dec 2020

11:23

Sharon Weinberger

Inside the massive (and unregulated) world of surveillance tech

Posted Dec 2020

7:27

Andrew Pelling

Could we treat spinal cord injuries with asparagus?

Posted Nov 2020

16:50

Erika Cheung

Theranos, whistleblowing and speaking truth to power

Posted Nov 2020

20:30

John Doerr and Hal Harvey

How to decarbonize the grid and electrify everything

Posted Oct 2020

12:16

Amanda Little

Climate change is becoming a problem you can taste

Posted Oct 2020

5:54

Lisa Jackson and Liz Ogbu

Apple's promise to be carbon neutral by 2030

Posted Oct 2020

5:19

Fabio Pacucci

Could we harness the power of a black hole?

Posted Oct 2020

11:24

Thomas Crowther

The global movement to restore nature's biodiversity

Posted Oct 2020

1h 4m

Hosted by Chris Hemsworth and Priyanka Chopra Jonas

Countdown Session 5: Action (Full session)

Posted Oct 2020

1h 7m

Hosted by Prajakta Koli and Hannah Stocking

Countdown Session 4: Transformation (Full session)

Posted Oct 2020

1h 7m

Hosted by Jane Fonda and Xiye Bastida

Countdown Session 3: Transformation (Full session)

Posted Oct 2020

1h 9m

Hosted by Al Gore and Jaden Smith

Countdown Session 2: Leadership (Full session)

Posted Oct 2020

1h 8m

Hosted by Mark Ruffalo and Don Cheadle

Countdown Session 1: Urgency (Full session)

Posted Oct 2020

10:12

Monica Araya

How cities are detoxing transportation

Posted Oct 2020

7:13

Prince William

This decade calls for Earthshots to repair our planet

Posted Oct 2020

6:46

Brent Loken

Can we create the "perfect" farm?

Posted Oct 2020

2:47

Olafur Eliasson

Kids are speaking up for the environment. Let's listen

Posted Oct 2020

11:43

Jessy Kate Schingler

Civilization on the Moon — and what it means for life on Earth

Posted Oct 2020

4:57

Hyunsoo Joshua No

Performing brain surgery without a scalpel

Posted Sep 2020

8:31

Philip Lubin

How humanity can reach the stars

Posted Sep 2020

11:45

Alex Rosenthal

The World Machine | Think Like A Coder, Ep 10

Posted Sep 2020

5:25

Laurence Hurst

Is human evolution speeding up or slowing down?

Posted Sep 2020

12:01

Refik Anadol

Art in the age of machine intelligence

Posted Aug 2020

13:15

Chris Fisher

Let's scan the whole planet with LiDAR

Posted Aug 2020

55:11

Yann LeCun

Deep learning, neural networks and the future of AI

Posted Jul 2020

25:29

Eric Yuan

How to connect while apart

Posted Jul 2020

10:58

Christina Agapakis

What happens when biology becomes technology?

Posted Jul 2020

8:51

Ali Kashani

A friendly, autonomous robot that delivers your food

Posted Jul 2020