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

We may simply not be wise enough to do some of the kinds of engineering things that people are talking about doing.

Many people recognize that technology often comes with unintended and undesirable side effects.

Our only responsibility is to live our own life and take care of our own children.

Genetics is crude, but neuroscience goes directly to work on the brain, and the mind follows.

Is it possible to covet a much longer life for one's self and be as devoted to the well-being of the next generation? It's a long argument.

The human animal has evolved as a preeminently social animal.