Watching the Brain at Work
36. R. Clay Reid, Harvard Medical School (research)
37. Yukiyasu Kamitani, ATR Computational Neuroscience Laboratories, and Frank Tong, Vanderbilt University (research)
38. Bradley Hyman, Massachusetts General Hospital (research)
39. Nathan N. Urban, Carnegie Mellon University (research)

Practical Nanotubes
40. James E. Jaskie, Motorola Physical Sciences Research Lab (business)
41. DuPont Central Research and Development (business)
42. Bradley J. Nelson, Swiss Federal Institute of Technology (research)
43. Hewlett-Packard Laboratories (business)
44. U.K. Royal Society and the Royal Academy of Engineering (research)

True Green
45. Paul T. Anastas, Green Chemistry Institute (policy)
46. U.S. Green Buildings Council, Fox & Fowle, William McDonough & Partners, and Foster and Partners (business)

Hope for Fixing Gene Defects
47. Yehoash Raphael, University of Michigan Medical School at Ann Arbor, and Zheng-Yi Chen, Massachusetts General Hospital (research)
48. Paras N. Prasad, University of Buffalo (research)

Photons, Electrons and Silicon
49. Ozdal Boyraz and Bahram Jalali, University of California, Los Angeles (research)
50. Haisheng Rong, Intel (business)

SCIENTIFIC AMERICAN

EDITORIAL ADVISORY BOARD
Micha Asscher, Hebrew University of Jerusalem
Charles Elachi, Jet Propulsion Laboratory
Paul Horn, IBM
International Development Enterprises
Michael E. Mann, Pennsylvania State University
John P. Moore, Cornell University
Joe Poon, University of Virginia
Seth J. Putterman, University of California, Los Angeles
Ted Selker, MIT Media Lab
Anthony J. Tether, DARPA
Thomas Thundat, Oak Ridge National Laboratory

EDITORIAL CONTRIBUTORS
Mark Alpert, Steven Ashley, Charles Q. Choi, Graham P. Collins, Aimee Cunningham, Mariette DiChristina, W. Wayt Gibbs, JR Minkel, George Musser, Michelle Press, John Rennie, Ricki L. Rusting, Christine Soares, Gary Stix, Michael Szpir, Lamont Wood, Philip M. Yam