Unnatural Selection: The Challenges of Engineering Tomorrow's People

With ever-advancing scientific understanding and technological capabilities, humanity stands on the brink of the potential next stage of evolution: evolution engineered by us. Nanotechnology, biotechnology, information technology and cognitive science offer the possibility to enhance human performance, lengthen life-span and reshape our inherited physical, cognitive and emotional identities. But with this promise come huge risks, complex choices and fundamental ethical questions: about evol...