Systems biology has emerged as a highly interdisciplinary ?eld that has created broad enthusiasm in the scienti?c community. Systems biology is in vogue because of its potential to revolutionize not only biology but also medicine. Developments are anticipated that will change how we think about disease and how we approach therapeutic intervention. Perhaps the boldest vision of this future is presented by Dr. Leroy Hood, President of the Institute for Systems Biology in Seattle. He has been a protagonist and the main driving force of the underlying concept. - cording to Dr. Hood, systems...