Wild by Nature

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Science  24 May 2002:
Vol. 296, Issue 5572, pp. 1407-1408
DOI: 10.1126/science.1072445

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How do networks of biological molecules, such as signal transduction pathways, operate, and are their behaviors predictable? In a Perspective, Wigler and Mishra explain a new study ( Guet et al.) where the authors have designed a genetic combinatorial network and examined the predictability of its behavior.