Gary Slutkin: Is it possible to end violence?

After spending years in Africa fighting AIDS, TB and cholera with the W.H.O., Gary Slutkin returned to Chicago and had an epiphany: the violence plaguing his hometown exhibited all the signs of an infectious disease. Learn how he’s applied epidemiological principles to reduce shootings and violent crime in inner-city Chicago neighborhoods by as much as 75%.

Click to read more ...

Jay Parkinson: Healthcare 2.0

Dr. Parkinson is re-imagining the doctor/patient relationship, marrying a 21st century toolkit - think social networking, IM, video chat, SMS and PayPal - with old-fashioned, doctor-in-your-neighborhood, quality care. Pay a virtual visit to his Web 2.0 primary care practice, Hello Health, which offers a new way of keeping people well.

Click to read more ...

Richard Alley: Global Warming Optimism

Get inspired by Richard Alley’s optimistic view on global warming.This world-renowned paleoclimatologist does have some bad news about climate change, although he’ll convince you that we not only have the tools to solve the problem, but we can make money doing it too.

Click to read more ...

John Priscu: Life below the ice of Antarctic

Join polar scientist John Priscu – and his autonomous robots - as he takes us miles below the Antarctic ice to search for living organisms that may have been cut off from the rest of the planet’s ecosystem for millions of years.

Click to read more ...

Cary Fowler: A global backup of the world’s agricultural biodiversity

Agricultural impresario Cary Fowler is kind of a latter-day Superman: his mission is to protect life on Earth, and he even operates out of an arctic fortress. While Dr. Fowler can’t fly or leap tall buildings, his work has captured the world’s imagination, and he’s safeguarding mankind’s future with a practical solution: seeds.

Click to read more ...

K. David Harrison: The rapid erosion of languages

There are 7,000 languages spoken in the world. This, argues linguist K. David Harrison, represents the greatest repository of human knowledge ever assembled - but it’s rapidly eroding, and this will be terrible. We’re not only losing information, but we’re losing ways of understanding the world.

Click to read more ...

Frank Warren: PostSecret

Four years ago, Frank Warren walked the streets of DC at night, handing out self-addressed postcards to strangers, soliciting their secrets. Watch as the creator of the wildly popular blog PostSecret reveals some of the hundreds of thousands of secrets shared by people from around the world in those four years…including a few of his own.

Click to read more ...

Chris Anderson

What happens when material things become free? Long Tail author and Wired magazine editor Chris Anderson examines new models of wealth distribution and claims we’re moving from economies of scarcity to an age of abundance.

Click to read more ...

Clay Shirky: Encouraging generosity and participation

Internet guru Clay Shirky has a unique ability to present the chaos of the Web in stunningly clear terms, as he does here, documenting what a "spontaneously, self-assembling, online philanthropic venture" tells us about the nature of human motivation.

Click to read more ...

DJ Matt Mason

Journalist, author and former pirate radio DJ Matt Mason argues that if you can’t stop the pirates – and you can’t – you should figure out how to out-compete them (like Apple did).  

Click to read more ...