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Science  22 May 1998:
Vol. 280, Issue 5367, pp. 1163
DOI: 10.1126/science.280.5367.1163d

Orderly systematics. The various names bestowed on a particular species can create confusion for biologists studying or managing it. Offering a solution is the Integrated Taxonomic Information System (, an interagency database with the most-accepted nomenclature for North American plants and critters.

Calculated move. You can find a nucleic acid's molecular weight, make a date for the next meteor shower, and perform countless other computations thanks to a long list of scientific calculators at

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