Poland's science sets off for market: The political changes sweeping Eastern Europe are turning its science upside down. But there are plenty of traps awaiting those trying to set up new structuresFeatures
Soviet energy . . . power and the people: Mikhail Gorbachovcelebrates five years as leader of the Soviet Union. His ambitious programmeof reform depends on an expansion of the country's energy network – Anotheraspect of the economy's revitalisationFeatures