F. James Rutherford is Chief Education Officer of the American Association for the Advancement of Science and Director of Project 2061: Education for a Changing Future. He is the co-editor (with Margrete S. Klein) of Science Education in Global Perspective. Andrew Ahlgren, on leave as Professor of Education at the University of Minnesota, is presently Associate Director of Project 2061. He is the co-author (with Dr. Franz Halberg) of the forthcoming Cycles of Nature: An Introduction to Biological Rhythms.