Science Could science bring back the passenger pigeon?

As the Smithsonian prepares to launch an exhibit on Martha, whose death a century ago marked the extinction of the passenger pigeon, scientists speculate that modern DNA technology could some day return her species to the skies.

By , Associated Press

Susan Walsh/AP

It was the moment that humanity learned we had the awesome power to erase an entire species off the face of the Earth in the scientific equivalent of a blink of an eye: The passenger pigeon went from billions of birds to extinct before our very eyes.