But the many small concessions that come with playing here have been a sort of selection mechanism for Swansea: Those who thrive have bought into the whole project.

WSJ: The Swans Are Soccer's Rare Birds

This is interesting in as much as it shows how such thinking has changed over the years, but her real purpose seems to be to create doubt in the reader's mind about whether selection at the level of the gene is the only mechanism of evolution, which is what Mr Dawkins and his fellow selfish-geners believe.

ECONOMIST: Richard Dawkins under fire

In summary, Dr Saetre and his colleagues have vindicated Dobzhansky and thus confirmed a mechanism for the origin of species that is directly caused by natural selection, rather than being an accidental by-product of it.

ECONOMIST: Evolution