TED Talks: Rich, poor and the $100 laptop

Paul Collier: 4 ways to improve the lives of the "bottom billion" Around the world right now, one billion people live in poverty because of a simple piece of bad luck: they were born in a poor or failing country. What can be done? Economist Paul Collier lays out a bold, compassionate plan for closing the gap between rich and poor -- and makes the case that we must. Watch this talk >>   Seyi Oyesola: Rich hospital, poor hospital Dr. Seyi Oyesola takes a searing look at health care in underdeveloped countries. His photo tour of a Nigerian teaching hospital -- all low-tech hacks and donated supplies -- drives home the challenge of doing basic health care in poor countries. Watch this talk >>   Arthur Ganson: Sculpture that's truly moving Sculptor and engineer Arthur Ganson talks about his work -- kinetic art that explores deep philosophical ideas and is also gee-whiz fun to look at. A fascinating glimpse into the creative mind. Watch this talk >>   Yves Behar: Designing objects that tell stories Designer Yves Behar digs up his creative roots to discuss some of the iconic objects he's created (the Leaf lamp, the Jawbone headset). Then he turns to the witty, surprising, elegant objects he's working on now -- including the "$100 laptop." Watch this talk >>   Robert Ballard: Exploring the ocean's hidden worlds Ocean explorer Robert Ballard takes us on a mindbending trip to hidden worlds underwater, where he and other researchers are finding unexpected life, resources, even new mountains. He makes a case for serious exploration and mapping. Google Ocean, anyone? Watch this talk >>