Can we reverse an animal's extinction?
Bringing back extinct animals is the subject of a relatively new science called de-extinction. To understand what that science really means, we talk with de-extinction scientist Ben Novak (University of California, Santa Cruz). He leads the Passenger Pigeon Project, of the Revive & Restore organization for wildlife conservation, that aims to bring back the unique American bird. What are the goals? What are the obstacles? And what is Ben's vision of a better, more bio-abundant world?