TED Talks

4200+ talks to stir your curiosity

Find just the right one

0:00

Emma Bryce

Why do cats have vertical pupils?

Posted Jan 2022

11:27

Axel Reinaud

How biochar removes CO2 from the air — and helps farmers thrive

Posted Jan 2022

6:42

Sophia Kianni

Language shouldn't be a barrier to climate action

Posted Jan 2022

2:20

Matt Walker

4 ways the COVID-19 pandemic changed the way we sleep

Posted Dec 2021

12:40

Jamil Zaki

How to escape the cynicism trap

Posted Dec 2021

5:53

Gowri Shankar

A king cobra bite — and a scientific discovery

Posted Dec 2021

11:42

Jim Hagemann Snabe

Dreams and details for a decarbonized future

Posted Dec 2021

0:00

Steve Rothstein

Would you raise the bird that murdered your children?

Posted Dec 2021

9:26

Sandrine Dixson-Declève

5 keys to shifting to a well-being economy — and the cost of inaction

Posted Dec 2021

4:58

Francisca Mutapi

Africans should lead on health care solutions for Africa

Posted Dec 2021

20:36

Maria Van Kerkhove

How to end the pandemic — and prepare for the next

Posted Dec 2021

2:20

Matt Walker

What is melatonin — and should you take it to fall asleep?

Posted Dec 2021

2:01

Matt Walker

The surprising health benefits of dreaming

Posted Nov 2021

5:51

Al Roker, Al Gore, David Biello and Latif Nasser

The science of extreme weather — and how to reduce the harm

Posted Nov 2021

1:58

Mona Chalabi

How accurate is the weather forecast?

Posted Nov 2021

14:21

Joshua Chu-Tan

The science of preserving sight

Posted Nov 2021

11:11

Aicha Evans

Your self-driving robotaxi is almost here

Posted Nov 2021

5:57

Jack Dangermond

An ever-evolving map of everything on Earth

Posted Nov 2021

2:17

Matt Walker

Are naps actually good for us?

Posted Nov 2021

10:02

Nili Gilbert

The crucial intersection of climate and capital

Posted Nov 2021

11:20

Gavin McCormick

Tracking the whole world's carbon emissions — with satellites and AI

Posted Nov 2021

23:20

Anil Seth

How your brain invents your "self"

Posted Nov 2021

2:12

Matt Walker

Why better sleep means a better sex life

Posted Nov 2021

4:20

Alayna Vaughan

Why do some people snore so loudly?

Posted Nov 2021

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