Sizing Up the Shape of Life

Science  22 Feb 2002:
Vol. 295, Issue 5559, pp. 1475-1476
DOI: 10.1126/science.1070130

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Biologists have long sought to explain the sizes and shapes of all living forms according to simple scaling laws. In their Perspective, Zens and Webb discuss new work on plants (Enquist and Niklas) that seeks to define the relationship between the sizes of roots, stem, and leaves, according to fundamental physical principles.