TED Talks

4100+ talks to stir your curiosity

Find just the right one

4:26

Glynnis Hood

Why do beavers build dams?

Posted Jan 2023

5:43

Gautam Shah

Can the metaverse bring us closer to wildlife?

Posted Dec 2022

14:33

Ralph Chami

What a living whale is worth — and why the economy should protect nature

Posted Nov 2022

5:02

Rob Ulrich

How do oysters make pearls?

Posted Nov 2022

5:45

Rebecca L. Walker

How do we determine the value of a life?

Posted Nov 2022

0:00

Alan Jamieson

Meet the mysterious "monsters" of the deep sea

Posted Oct 2022

10:16

Leo Lanna and Lvcas Fiat

The colorful, shapeshifting wonder of the Amazon's praying mantises

Posted Sep 2022

4:46

Noah R. Bressman and Douglas Fudge

The world's slimiest animal

Posted Jul 2022

4:43

Grace Smith-Viduarre and Tim Wright

Why can parrots talk?

Posted Jun 2022

4:52

Luka Seamus Wright

These animals are also plants ... wait, what?

Posted Jun 2022

4:44

Victoria Hwang

What is the rarest color in nature?

Posted Jun 2022

13:27

Resson Kantai Duff

Why Africa needs community-led conservation

Posted May 2022

4:51

Andrew Whitworth

If you're scared of snakes, watch this

Posted Apr 2022

4:03

Elizabeth Carlen and Joanna Moles

How pigeons took over the world

Posted Mar 2022

0:00

Cameron Webb

How to design mosquitoes out of cities

Posted Mar 2022

9:01

Ermias Kebreab

What seaweed and cow burps have to do with climate change

Posted Mar 2022

0:00

Thomas W. Cronin

Which animal has the best eyesight?

Posted Jan 2022

0:00

Emma Bryce

Why do cats have vertical pupils?

Posted Jan 2022

5:53

Gowri Shankar

A king cobra bite — and a scientific discovery

Posted Dec 2021

5:00

Luka Seamus Wright

The wild sex lives of marine creatures

Posted Nov 2021

4:22

Derek Sarno

The many reasons to eat a plant-based diet

Posted Nov 2021

9:25

Tanya Berger-Wolf

How your nature photos can help protect wild animals

Posted Oct 2021

12:40

Isha Datar

How we could eat real meat without harming animals

Posted Oct 2021

15:44

Ryan Phelan

The intended consequences of helping nature thrive

Posted Sep 2021

2:22

Susan Graham

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

Posted Sep 2021

5:08

Nigel Hughes

Is this the most successful animal ever?

Posted Aug 2021

5:40

Hélène Morlon and Anna Papadopoulou

How we can detect pretty much anything

Posted Aug 2021

4:37

Gilad Bino

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

Posted Jul 2021

14:03

Emma Marris

Are wild animals really "wild"?

Posted Jul 2021

5:00

Darien Satterfield

Real-life "Alien" jaws

Posted Jun 2021

5:02

Luis Zambrano

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

Posted Jun 2021

5:28

Luka Seamus Wright

The sharks that hunt in forests

Posted Jun 2021

4:25

Philip Renaud and Kenneth Kostel

Could you survive the real Twilight Zone?

Posted May 2021

5:02

Masako Tamaki

Can you be awake and asleep at the same time?

Posted May 2021

4:41

Grantly Galland and Raiana McKinney

Meet the bluefin tuna, the toughest fish in the sea

Posted May 2021

6:39

David Gruber

Can we learn to talk to sperm whales?

Posted Apr 2021