Washington Post writer Joel Garreau has an extract from his forthcoming book titled "Radical Evolution: The Promise and Peril of Enhancing Our Minds, Our Bodies -- and What It Means to Be Human" in an article today called 'Inventing our Evolution'

It looks at some of the projects underway to affect the inner side of our evolution in terms of tampering with our metabolism and DNA. Again, a sign that science is asking the questions about the future but forgetting the central question: what it means to be human.