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18:20

Theo E.J. Wilson

A black man goes undercover in the alt-right

Posted Sep 2017 Rated Inspiring, Fascinating
10:51

Radhika Nagpal

What intelligent machines can learn from a school of fish

Posted Sep 2017 Rated Beautiful, Informative
4:50 Under 6 minutes

Armando Azua-Bustos

The most Martian place on Earth

Posted Sep 2017 Rated Informative, Inspiring
7:56

Duarte Geraldino

What we're missing in the debate about immigration

Posted Sep 2017 Rated Informative, Persuasive
13:30

Olúfẹ́mi Táíwò

Why Africa must become a center of knowledge again

Posted Sep 2017 Rated Informative, Inspiring
14:54

Jun Wang

How digital DNA could help you make better health choices

Posted Sep 2017
13:15

Sethembile Msezane

Living sculptures that stand for history's truths

Posted Sep 2017 Rated Courageous, Beautiful
15:57

Helen Czerski

The fascinating physics of everyday life

Posted Sep 2017 Rated Informative, Inspiring
12:02

Augie Picado

The real reason manufacturing jobs are disappearing

Posted Sep 2017 Rated Informative, Persuasive
15:34

Pierre Thiam

A forgotten ancient grain that could help Africa prosper

Posted Sep 2017 Rated Inspiring, Informative
13:28

Alexander Wagner

What really motivates people to be honest in business

Posted Sep 2017
12:18

Emily Esfahani Smith

There's more to life than being happy

Posted Sep 2017 Rated Inspiring, Beautiful
14:25

Caitlin Quattromani and Lauran Arledge

How our friendship survives our opposing politics

Posted Sep 2017 Rated Inspiring, Courageous
12:03

OluTimehin Adegbeye

Who belongs in a city?

Posted Sep 2017 Rated Courageous, Inspiring
12:05

Benjamin Grant

What it feels like to see Earth from space

Posted Sep 2017 Rated Informative, Inspiring
11:03

Tomás Saraceno

Would you live in a floating city in the sky?

Posted Sep 2017 Rated Inspiring, Ingenious
16:33

Ray Dalio

How to build a company where the best ideas win

Posted Sep 2017
11:38

Erin Marie Saltman

How young people join violent extremist groups — and how to stop them

Posted Sep 2017 Rated Informative, Inspiring
12:18

Daan Roosegaarde

A smog vacuum cleaner and other magical city designs

Posted Sep 2017 Rated Inspiring, Fascinating
19:16

Chetan Bhatt

Dare to refuse the origin myths that claim who you are

Posted Sep 2017 Rated Inspiring, Beautiful
11:57

Chance Coughenour

How your pictures can help reclaim lost history

Posted Aug 2017 Rated Ingenious, Fascinating
14:25

Jennifer Granick

How the US government spies on people who protest — including you

Posted Aug 2017 Rated Informative, Courageous
13:37

Noriko Arai

Can a robot pass a university entrance exam?

Posted Aug 2017 Rated Informative, Fascinating
13:11

Tara Winkler

Why we need to end the era of orphanages

Posted Aug 2017 Rated Inspiring, Informative
5:10 Under 6 minutes

Wanuri Kahiu

Fun, fierce and fantastical African art

Posted Aug 2017 Rated Inspiring, Beautiful
12:27

Niki Okuk

When workers own companies, the economy is more resilient

Posted Aug 2017 Rated Inspiring, Informative
8:50

Laolu Senbanjo

"The Sacred Art of the Ori"

Posted Aug 2017 Rated Beautiful, Inspiring
11:25

Carolyn Bertozzi

What the sugar coating on your cells is trying to tell you

Posted Aug 2017 Rated Informative, Fascinating
12:16

Robin Hanson

What would happen if we upload our brains to computers?

Posted Aug 2017 Rated Fascinating, Informative
20:15

David Whyte

A lyrical bridge between past, present and future

Posted Aug 2017 Rated Inspiring, Beautiful
13:35

Iyad Rahwan

What moral decisions should driverless cars make?

Posted Aug 2017 Rated Informative, Fascinating
13:18

Cathy O'Neil

The era of blind faith in big data must end

Posted Aug 2017 Rated Informative, Persuasive
9:18

Anika Paulson

How I found myself through music

Posted Aug 2017 Rated Beautiful, Inspiring
16:02

Susan Pinker

The secret to living longer may be your social life

Posted Aug 2017 Rated Informative, Inspiring
12:21

Richard J. Berry

A practical way to help the homeless find work and safety

Posted Aug 2017 Rated Inspiring, Informative
14:20

Peter Calthorpe

7 principles for building better cities

Posted Aug 2017 Rated Informative, Inspiring