Christianity as antiquity.-- When we hear the ancient bells growling on a Sunday morning we ask ourselves: Is it really possible! This, for a jew, crucified two thousand years ago, who said he was God's son? The proof of such a claim is lacking. Certainly the Christian religion is an antiquity projected into our times from remote prehistory; and the fact that the claim is believed - whereas one is otherwise so strict in examining pretensions - is perhaps the most ancient piece of this heritage.
Ever since Darwin created his theory of evolution in the nineteenth century, and especially since the nineteen sixties, scientists and philosophers of science have been intensely debating whether and how selection occurs at the level of the group. The debates over group selection maintain their vitality for several reasons: because group selection may explain the evolution of altruism; because “altruistic” traits ─ traits that reduce an individual’s fitness while increasing the fitness of another ─ constitute a well-known puzzle for the theory of natural selection; because altruism is a phenomena that one seems to encounter daily in biology and society; and because altruism via group selection may explain some major evolutionary transitions in the history of life (such as the transition from separate molecules into a gene, from individual genes into a chromosome, from individual cells into a multi-cellular organism, and from multi-cellular organisms turning into a social group). Altruism and Group Selection