The benefits of biomedical progress are obvious, clear, and powerful. The hazards are much less well appreciated.

I don't believe that efforts to prohibit only so-called reproductive cloning can be successful.

Biology, meaning the science of all life, is a late notion.

The neuroscience area - which is absolutely in its infancy - is much more important than genetics.

Cloning represents a very clear, powerful, and immediate example in which we are in danger of turning procreation into manufacture.

My job is to provide the president with the richest possible consideration, so that he knows what is at stake in whatever decision he makes.

Technological innovation is indeed important to economic growth and the enhancement of human possibilities.