is the biggest study of biology ever conducted. Not only the United States government, but governments around the world are racing to map the location of genes on chromosomes, with hundreds of millions or billions of dollars being devoted to the effort. Significant discoveries of the locations of disease causing genes are happening weekly. Why is this enormous effort being made? Is it some abstract search for knowledge that will never be used? No. Knowing how to control the human genome and how to change human genes, is the most important pie ....