Economist Eleni Gabre-Madhin outlines her ambitious vision to found the first commodities market in Ethiopia. Her plan would create wealth, minimize risk for farmers and turn the world's largest recipient of food aid into a regional food basket.
Paul Rothemund writes code that causes DNA to arrange itself into a star, a smiley face and more. Sure, it's a stunt, but it's also a demonstration of self-assembly at the smallest of scales -- with vast implications for the future of making things.
Author and illustrator Maira Kalman talks about her life and work, from her covers for The New Yorker to her books for children and grown-ups. She is as wonderful, as wise and as deliciously off-kilter in person as she is on paper.
Richard Branson talks to TED's Chris Anderson about the ups and the downs of his career, from his multibillionaire success to his multiple near-death experiences -- and reveals some of his (very surprising) motivations.
Kenichi Ebina moves his body in a manner that appears to defy the limits imposed by the human skeleton. He combines breakdancing and hip-hop with mime using movements that are simultaneously precise and fluid.
We've known about global warming for 50 years and done little about it, says Google.org director Larry Brilliant. In spite of this and other depressing trends, he's optimistic and tells us why. From Skoll World Forum, Oxford, UK, www.skollfoundation.org
Speaking at LIFT 2007, Sugata Mitra talks about his Hole in the Wall project. Young kids in this project figured out how to use a PC on their own -- and then taught other kids. He asks, what else can children teach themselves?
Architect Norman Foster discusses his own work to show how computers can help architects design buildings that are green, beautiful and "basically pollution-free." From the 2007 DLD Conference, Munich; www.dld-conference.com
Paleoanthropologist Zeresenay Alemseged looks for the roots of humanity in Ethiopia's badlands. Here he talks about finding the oldest skeleton of a humanoid child -- and how Africa holds the clues to our humanity.
In an exclusive preview of his book The Stuff of Thought, Steven Pinker looks at language and how it expresses what goes on in our minds -- and how the words we choose communicate much more than we realize.
Steven Pinker charts the decline of violence from Biblical times to the present, and argues that, though it may seem illogical and even obscene, given Iraq and Darfur, we are living in the most peaceful time in our species' existence.
Is the beloved paper dictionary doomed to extinction? In this infectiously exuberant talk, leading lexicographer Erin McKean looks at the many ways today's print dictionary is poised for transformation.
In this provocative talk, journalist Andrew Mwenda asks us to reframe the "African question" -- to look beyond the media's stories of poverty, civil war and helplessness and see the opportunities for creating wealth and happiness throughout the continent.
A liberal arts education is critical to forming true leaders, says university head Patrick Awuah -- because it builds decision-making skills, an ethical framework and a broad vision. Awuah himself left a career at Microsoft in the US to found a liberal arts school in Africa: Ashesi University, in his home nation of Ghana. A passionate talk about dreaming, doing and leading.
In this deeply personal talk, Nigerian writer Chris Abani says that "what we know about how to be who we are" comes from stories. He searches for the heart of Africa through its poems and narrative, including his own.