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There is a danger that Iraq's supposed nuclear ambitions will undermine the Non-Proliferation Treaty. The United States should formally complain that Iraq is in violation. Then the treaty's well-wishers should make it stronger.
The Smithsonian Tropical Research Institute in Panama is the best equipped and most productive tropical research institute in the world. A visit to the institute reveals some of the ingredients of its success.
A Cray-led attack on the structure of the binary alloy of nickel and platinum seems to be most easily interpreted by reference to empirical rules put forward by Hume-Rothery more than half a century ago.
Computer algorithms that have been used successfully on protein sequences for the prediction of antigenic T-cell sites have been collected into a single computer software package called TSites.
Shopping for software? DNA ploidy analysis software, PCR primers by design, and a protein modelling package are a selection of this week's scientific software highlights.
