Increasingly morality is seen as a simple offshoot of human evolution. Using old neural pathways, brain anatomy, and the identical brain chemistry of ancient primates and mammals, human evolution puts them to new use. They allow us to live in a complex society and interact with each other in new ways.In this book, you may not find the exact answer, but for those who like to think, it is wonderful. In the current era, ethical issues are more important than ever. Will you sacrifice one to save many? Read this book and ponder.