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17:10

Jonathan Harris

The Web's secret stories

Posted Jul 2007
18:57

Hans Rosling

New insights on poverty

Posted Jun 2007
23:22

Thomas Barnett

Let's rethink America's military strategy

Posted Jun 2007
12:06

Robert Thurman

We can be Buddhas

Posted Jun 2007
20:13

Ngozi Okonjo-Iweala

Want to help Africa? Do business here

Posted May 2007
17:52

John Doerr

Salvation (and profit) in greentech

Posted May 2007
16:41

Tierney Thys

Swim with the giant sunfish

Posted May 2007
3:05

Stewart Brand

What squatter cities can teach us

Posted May 2007
19:32

Tom Honey

Why would God create a tsunami?

Posted Apr 2007
20:05

William McDonough

Cradle to cradle design

Posted Apr 2007
17:34

Alex Steffen

The route to a sustainable future

Posted Apr 2007
27:25

Jane Goodall

What separates us from chimpanzees?

Posted Apr 2007
16:52

Nick Bostrom

A philosophical quest for our biggest problems

Posted Apr 2007
21:56

James Nachtwey

My wish: Let my photographs bear witness

Posted Apr 2007
24:07

Bill Clinton

My wish: Rebuilding Rwanda

Posted Apr 2007
22:35

E.O. Wilson

My wish: Build the Encyclopedia of Life

Posted Apr 2007
19:11

Robert Wright

Progress is not a zero-sum game

Posted Jan 2007
18:35

Phil Borges

Photos of endangered cultures

Posted Jan 2007
22:01

Wade Davis

Dreams from endangered cultures

Posted Jan 2007
14:03

Robert Neuwirth

The hidden world of shadow cities

Posted Jan 2007
3:18

Dean Ornish

The killer American diet that's sweeping the planet

Posted Dec 2006
14:08

Peter Gabriel

Fight injustice with raw video

Posted Dec 2006
27:52

Bono

My wish: Three actions for Africa

Posted Oct 2006
18:03

Ben Saunders

Why did I ski to the North Pole?

Posted Oct 2006
18:45

Ashraf Ghani

How to rebuild a broken state

Posted Oct 2006
18:00

Sasa Vucinic

Why we should invest in a free press

Posted Oct 2006
15:52

Iqbal Quadir

How mobile phones can fight poverty

Posted Oct 2006
19:00

David Deutsch

Chemical scum that dream of distant quasars

Posted Sep 2006
20:25

Eve Ensler

Happiness in body and soul

Posted Sep 2006
18:34

Richard Baraniuk

The birth of the open-source learning revolution

Posted Aug 2006
15:06

Amy Smith

Simple designs to save a life

Posted Aug 2006
17:37

Nicholas Negroponte

One Laptop per Child

Posted Aug 2006
23:34

Cameron Sinclair

My wish: A call for open-source architecture

Posted Jul 2006
25:38

Jehane Noujaim

My wish: A global day of film

Posted Jul 2006
25:50

Larry Brilliant

My wish: Help me stop pandemics

Posted Jul 2006
19:50

Hans Rosling

The best stats you've ever seen

Posted Jun 2006