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'Open skies' treaty suffers blurred vision

Space shuttle checks the ozone layer

America buys Russia's nuclear treasures

Pentagon homes in on Patriot critic

Unhappy birthday for Star Wars

Technology

Technology: Blackbird comes back in spaceplane test

Western funds for Russia may miss their target

Ministers move to limit genome patents

Bargain hunters snap up Russian brainpower

Technology

Technology: Computer fraudsters foiled by the small ads

Science jobs separate the prunes from the plums

Arms sales flourish as old order breaks down: Chicago, the city of gangsters, played host to the American Association for the Advancement of Science last week. Reporters from ¿ìè¶ÌÊÓƵ were there