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

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

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

This is one of the hazards of flying at night, even on a clear night. Often you don't have a horizon for reference. It doesn't matter how many hours flying you have. It can affect you.

In the case of abortion, one pits the life of the fetus against the interests of the pregnant woman.

Nobody knew in advance that in vitro fertilization would be, by and large, safe.