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A calculation in this issue shows X-ray lasers might be feasible, and points to horrendous difficulties ahead. But the case for putting and end to the search for ballistic missile defences rests elsewhere.
The British are a fitfully impulsive lot. Having let their universities and other research institutions moulder for years, they now propose to engineer a revolution in them.
Too many promising international research collaborations, from AIDS research to the sequencing of the human genome, languish for lack of a workable framework for tangible and short-term research.
Nature will now be printed in Japan as well as in Britain and the United States. One objective is to give readers a better service. Another is to draw the scientific community of Japan more into the general swim.
Last week's decision by the US Supreme Court on the teaching of evolution is a splendid affirmation of the cause of reason, but that does not mean that nothing more will be heard of the creationists.