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18+ minutesRemove global issuesRemove Clear
19:01

Michael Specter

The danger of science denial

Posted Apr 2010
19:14

Elizabeth Pisani

Sex, drugs and HIV — let's get rational

Posted Apr 2010
18:01

Kevin Bales

How to combat modern slavery

Posted Mar 2010
23:06

Sam Harris

Science can answer moral questions

Posted Mar 2010
20:03

Jane McGonigal

Gaming can make a better world

Posted Mar 2010
27:49

Bill Gates

Innovating to zero!

Posted Feb 2010
21:53

Jamie Oliver

Teach every child about food

Posted Feb 2010
18:01

Sendhil Mullainathan

Solving social problems with a nudge

Posted Feb 2010
18:26

Devdutt Pattanaik

East vs. West — the myths that mystify

Posted Nov 2009
18:53

Parag Khanna

Mapping the future of countries

Posted Sep 2009
19:30

Misha Glenny

The real story of McMafia — how global crime networks work

Posted Sep 2009
19:22

James Balog

Time-lapse proof of extreme ice loss

Posted Sep 2009
19:56

Hans Rosling

Let my dataset change your mindset

Posted Aug 2009
18:03

Emmanuel Jal

The music of a war child

Posted Aug 2009
18:29

Paul Romer

Why the world needs charter cities

Posted Aug 2009
18:00

Louise Fresco

We need to feed the whole world

Posted May 2009
18:06

Shai Agassi

A new ecosystem for electric cars

Posted Apr 2009
19:05

Bruce Bueno de Mesquita

A prediction for the future of Iran

Posted Apr 2009
20:42

Willie Smits

How to restore a rainforest

Posted Mar 2009
20:45

Barry Schwartz

Our loss of wisdom

Posted Feb 2009
20:24

Dan Barber

A foie gras parable

Posted Nov 2008
23:09

Samantha Power

A complicated hero in the war on dictatorship

Posted Nov 2008
19:24

John Francis

Walk the earth ... my 17-year vow of silence

Posted Nov 2008
18:07

Robert Thurman

Expanding your circle of compassion

Posted Oct 2008
18:38

James Forbes

Compassion at the dinner table

Posted Oct 2008
18:44

Newton Aduaka

The story of Ezra

Posted Oct 2008
18:21

Jared Diamond

Why do societies collapse?

Posted Oct 2008
18:55

Mihaly Csikszentmihalyi

Flow, the secret to happiness

Posted Oct 2008
23:16

Philip Zimbardo

The psychology of evil

Posted Sep 2008
18:42

Jonathan Haidt

The moral roots of liberals and conservatives

Posted Sep 2008
19:42

Ann Cooper

What's wrong with school lunches

Posted Sep 2008
25:18

Irwin Redlener

How to survive a nuclear attack

Posted Sep 2008
23:46

Jane Goodall

How humans and animals can live together

Posted Sep 2008
20:59

Sugata Mitra

Kids can teach themselves

Posted Aug 2008
20:29

Jonathan Harris

The web as art

Posted Jul 2008
25:07

Rick Smolan

The story of a girl

Posted Jul 2008