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Next week's crucial meeting of the parties to the Non-Proliferation Treaty cannot put off some consideration of what will happen to countries believed to have nuclear weapons up their sleeves.
Far from being a diversion, last week's argument at Berlin over the obligations of poor countries on global warming is a sign that neglected issues are at last being taken up.
The case is growing stronger for re-opening debate on the European Patent Convention in the light of tensions generated by the growing interaction between the patent system and the academic research community.
Britain's second annual 'science week' provokes questions about the aims of the public understanding of science - and about the defects of the educational system, still unreformed.
The first serious test of the Rio Convention on Climate Change will come later this month, when the members of the treaty decide what happens next. They need above all to stay cool.
The decision of the Strasbourg parliament to throw out a draft directive on genetic manipulation will do less harm to biotechnology than to the parliament itself.
The conference of the members of the Nuclear Non-Proliferation Treaty must strive to continue the treaty, but not to make it perpetual; the world will need regular reminders of the hazards of proliferation for decades to come.
Britain is rehearsing again the role of black sheep at Europe's next intergovernmental conference, running the risk of alienating potential allies and perpetuating confusion among its voters.