If Chancellor Merkel could then agree to some form of mutalisation of eurozone government debt, well, a workable way out of the crisis might actually be in sight.

BBC: Greece, France and the future of the euro

When night falls on Harar, the labyrinth alleyways of the walled Old Town fall silent, and the shadowy form of a hyena slinking through the narrow streets is not an uncommon sight.

BBC: Africa��s wildlife in the raw

That variety suggests the shift from one form of photosynthesis to the other is not as radical as might appear at first sight.

ECONOMIST: Genetic modification