Progress in Biophysics & Molecular Biology an international review journal, covers the ground between the physical and biological sciences. It indicates to the physicist the great variety of unsolved problems awaiting attention in biology and medicine. The biologist and biochemist will find that this journal presents new and stimulating ideas and novel approaches to studying and influencing structural and functional properties of the living organism. This journal will be of particular interest to biophysicists, biologists, biochemists, cell physiologists, systems biologists, and molecular biologists.