Over his illustrious career, John Harris has explored the most challenging bioethical questions with insight, engaging wit, and eloquence. In Enhancing Evolution, Harris does it again. He argues that it is not just an option but an obligation for people to use available biomedical technologies to enhance their own--and their children's--physical and mental abilities. Harris rightly deserves his reputation for fearlessly following his ethical arguments wherever they lead.

I guess, as an Emanuel, I have a voice that carries.

My father always has been attractive because of his energy, warmth, charm, and talent for finding some connection with people from all cultures and walks of life. He rarely observed social formalities and niceties - something he has passed on to his boys.

Vaccines are the most cost-effective health care interventions there are. A dollar spent on a childhood vaccination not only helps save a life, but greatly reduces spending on future healthcare.

We don't have enough solid organs for transplantation; not enough kidneys, livers, hearts, lungs. When you get a liver and you have three people who need it, who should get it? We tried to come up with an ethically defensible answer. Because we have to choose.

Reasoning based on cost has been strenuously resisted; it violated the Hippocratic Oath, was associated with rationing, and derided as putting a price on life... Indeed, many physicians were willing to lie to get patients what they needed from insurance companies that were trying to hold down costs.

Over his illustrious career, John Harris has explored the most challenging bioethical questions with insight, engaging wit, and eloquence. In Enhancing Evolution, Harris does it again. He argues that it is not just an option but an obligation for people to use available biomedical technologies to enhance their own--and their children's--physical and mental abilities. Harris rightly deserves his reputation for fearlessly following his ethical arguments wherever they lead.