Philip Rosedale: Second Life, where anything is possible Why build a virtual world?
Philip Rosedale talks about the virtual society he founded, Second Life, and its underpinnings in human creativity. It's a place so different that anything could happen.
David Bolinsky: Fantastic voyage inside a cell
Medical animator David Bolinsky presents 3 minutes of stunning animation that show the bustling life inside a cell.
Craig Venter: On the verge of creating synthetic life
"Can we create new life out of our digital universe?" asks Craig Venter. And his answer is, yes, and pretty soon. He walks the TED2008 audience through his latest research into "fourth-generation fuels" -- biologically created fuels with CO2 as their feedstock. His talk covers the details of creating brand-new chromosomes using digital technology, the reasons why we would want to do this, and the bioethics of synthetic life. A fascinating Q&A with TED's Chris Anderson follows (two words: suicide genes).
Deborah Gordon: How do ants know what to do?
With a dusty backhoe, a handful of Japanese paint markers and a few students in tow, Deborah Gordon digs up ant colonies in the Arizona desert in search of keys to understanding complex systems.