Should the Search for Extraterrestrial Intelligence Continue?
Jill Tarter, Director of Project Phoenix, SETI Institute
Ben Zuckerman, Professor of Astronomy, UCLA

What Is Life?
Jere Lipps, Professor of Integrative Biology, UC Berkeley
Lynn Rothschild, Reseach Scientist, NASA-Ames Research Center

Was the Universe Finely Tuned for the Emergence of Life?
Alex Filippenko, Professor of Astronomy, UC Berkeley
Frank Chu, University Professor (Astronomy), UC Berkeley

Can We Change Human Nature?
Paul Ehrlich, Professor of Biology, Stanford
Marcus Feldman, Professor of Biology, Stanford

Has Science Solved the Mind-Body Problem?
John Kihlstrom, Professor of Psychology, UC Berkeley
John Searle, Professor of Philosophy, UC Berkeley

Can We Avoid Climatic Calamity?
Richard Muller, Professor of Physics, UC Berkeley
Stephen Schneider, Professor of Biology, Stanford