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4:26

TED-Ed

How much land does it take to power the world?

Posted Mar 2021
4:49

TED-Ed

Why good ideas get trapped in the valley of death — and how to rescue them

Posted Apr 2021
5:06

TED-Ed

The material that could change the world ... for a third time

Posted Mar 2021
4:20

TED-Ed

What's the best fuel for your car?

Posted Mar 2021
4:20

TED-Ed

The "myth" of the boiling frog

Posted Feb 2021
4:55

TED-Ed

The world's biggest battery looks nothing like a battery

Posted Feb 2021
4:30

TED-Ed

Why do women have periods?

Posted Oct 2015
5:04

TED-Ed

The 4 greatest threats to the survival of humanity

Posted Jul 2022
3:48

TED-Ed

What's the best country to live in?

Posted Jun 2022
5:25

TED-Ed

The surprising effects of pregnancy

Posted Oct 2020
4:41

TED-Ed

How much electricity does it take to power the world?

Posted Mar 2021
4:16

TED-Ed

The Maya myth of the morning star

Posted Oct 2019
5:13

Krishna Sudhir

How do cigarettes affect the body?

Posted Sep 2018
4:41

Hugo Mercier

How can you change someone's mind?

Posted Jul 2018
6:15

Greg Gage

The cockroach beatbox

Posted Mar 2012
12:07

Chris Anderson (TED)

Questions no one knows the answers to

Posted Mar 2012
3:49

Daniel Finkel

Can you solve the time travel riddle?

Posted Dec 2018
4:38

Alex Gendler

The myth of Sisyphus

Posted Nov 2018
1:18

Emma Lazarus

"New Colossus"

Posted Jul 2019
5:54

Alex Rosenthal

The Resistance | Think Like A Coder, Ep 2

Posted Oct 2019
4:23

Chand John

What's the fastest way to alphabetize your bookshelf?

Posted Nov 2016
3:41

Christina Greer

Gerrymandering: How drawing jagged lines can impact an election

Posted Oct 2012
5:06

Jonathan Butterworth

What's the smallest thing in the universe?

Posted Nov 2018
4:18

Addison Anderson

The most groundbreaking scientist you've never heard of

Posted Oct 2013
4:34

Dan Finkel

Can you solve the Ragnarok riddle?

Posted Jul 2020
4:10

Jason Robert Jaffe

Pros and cons of public opinion polls

Posted May 2013
4:27

Lina Marieth Hoyos

What is the coldest thing in the world?

Posted Jul 2018
4:56

Sheila Marie Orfano

Why should you read Dante's "Divine Comedy"?

Posted Oct 2019
4:36

Joao Pedro de Magalhaes

Why do animals have such different lifespans?

Posted Apr 2017
3:59

Tim Adams

An antihero of one's own

Posted Nov 2012
3:05

Bill Shribman

What cameras see that our eyes don't

Posted Apr 2013
3:36

Bradley Voytek and Tim Verstynen

Diagnosing a zombie: Brain and body (Part one)

Posted Oct 2012
5:20

Joseph Goffman

Whatever happened to acid rain?

Posted Apr 2021
5:11

Ilan Stavans

Who decides what's in the dictionary?

Posted May 2021
4:20

Renée Hlozek

The death of the universe

Posted Dec 2013
4:27

Alex Gendler

Can you solve the famously difficult green-eyed logic puzzle?

Posted Jun 2015