With respect to those meanings of 'human' that are relevant to the morality of abortion, any fetus is less human than an adult pig.

Imagine a crime series in which, every week, there is a white suspect and a black suspect. And every week, lo and behold, the black one turns out to have done it. Unpardonable, of course. And my point is that you could not defend it by saying: "But it's only fiction, only entertainment."

What you cannot have is a gene that sacrifices itself for the benefit of other genes. What you can have is a gene that makes organisms sacrifice themselves for other organisms under the influence of selfish genes.

Let's get up off our knees, stop cringing before bogeymen and virtual fathers, face reality, and help science to do something constructive about human suffering.

We are machines built by DNA whose purpose is to make more copies of the same DNA. ... This is exactly what we are for. We are machines for propagating DNA, and the propagation of DNA is a self-sustaining process. It is every living object's sole reason for living.

Even if it were true that evolution, or the teaching of evolution, encouraged immorality that would not imply that the theory of evolution was false.

If children were taught to question and think through their beliefs, instead of being taught the superior virtue of faith without question, it is a good bet that there would be no suicide bombers.