What is the dramatic difference between life and death? From a molecular biologist's viewpoint, there is none. Science has no straightforward answer to this question, and readers who seek the answers in this book will embark on a thrilling trek to the technological center of today's scientific earthquake: genetic engineering, or molecular biology. Medina's book will open your eyes to genetic marvels of such consequence that you will be incapable of retreating to the comfortable knowledge you once had.