Fernández's diplomatic broadside follows the British government's decision last month to name a large frozen chunk of Antarctica after the Queen – a gesture viewed in Buenos Aires as provocative.

Why one set of cells should secrete bile, another urea, and so on, we do not know.

It differed from the Ulema both in a more modernistic interpretation of Islamic dogma and in its social demands, which included the redistribution of land among the fellahs.

Renewal theory may be used to calculate the best strategy for replacing worn-out machinery, or to compare the long-term benefits of different insurance policies.