* Professor, Integrative Biology, University of California Berkeley, Berkeley, California
* Author, Future Evolution (Henry Holt, 2001)
* Professor, Geological Science, University of Washington, Seattle, Washington
* Artist, New York, New York
What will the Earth look like thousands of years from now? Will humans be around to see it? In this hour, we'll talk with geologist and author Peter Ward and artist Alexis Rockman. Their new book Future Evolution, offers their vision of life on Earth in the millenia to come. Plus, a new fossil find of Homo erectus in Ethiopia shakes up our family tree.