Afghanistan is a sargasso of wrecks from earlier civilizations; buried in its earth are hordes of Greek coins, Aramaic inscriptions, Saljuq mosques, and Mazdakite fire temples, flaking away in their own dust, forgotten in valleys where the local villagers carry away their bricks for cattle folds.

The course of the actual warfare is seen as a confrontation between vigorous frontier pragmatism and stilted European tactics – canny American marksmen with their squirrel guns, hiding among the trees and picking off British regulars as the redcoats marched stiffly past in their serried ranks, their drums beating and their flags flying.

The SUG diet contained sucrose, agar, nipagin and deionised water.

Sulfur recycles in the sulfur cycle.