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Bonemaking Protein Shapes Beaks of Darwin's Finches

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Science  03 Sep 2004:
Vol. 305, Issue 5689, pp. 1383
DOI: 10.1126/science.305.5689.1383

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Two research teams reporting on pages 1462 and 1465 have discovered that a protein normally associated with the development of the skull and other bones is one of the molecules that tailors the shapes of beaks.