An intellectual war of words has broken out between two of the world's leading evolutionists. Oxford University's Richard Dawkins and Harvard's Edward Wilson have gone head to head over the evolution of altruism in the animal kingdom, and whether it can have come about as a result of something called group selection.
The subject matter of their dispute is social insects, particularly ants, which display a supreme form of altruism in that sterile workers lay down their lives for the benefit of their fertile colleagues in the colony.
Conventional Darwinian theory could not really explain why one individual should sacrifice its own life, and its precious genes, for the benefit of another individual, unless it could be viewed in terms of group selection, when indi-viduals do it for the benefit of the colony or the species....