In theory, this procedure seems fair and sensible.

ECONOMIST: The World Bank

But his new data add weight to the theory that the more sophisticated idea of fair shares, which underpins collaborative behaviour, appeared in the hominid line only after the ancestors of the two species split from one another.

ECONOMIST: Evolution

Headline acts at The Fair include live performances of the BBC's 'Bang Goes The Theory' programme: visitors will be able to meet the show's presenters and check out Dr Yan's street science.

BBC: Manchester pupils count down to Big Bang Science Fair

It is far from fair in its treatment of the many biologists who do not accept Gould's theory as a package.

ECONOMIST: A master of evolution takes a last long look at Darwin