Adaptive Radiation from Resource Competition in Digital Organisms Science 305, 84-86 (2 July 2004) Stephanie S. Chow*, Claus O. Wilke*, Charles Ofria, Richard E. Lenski, Christoph Adami * These authors contributed equally to this work. The abstract of this article. The Avida source code (version 1.99) used in these experiments. Information and documentation about this version of Avida may be found in our version archives. All experiments were performed under Redhat Linux, on the Beowulf cluster in the Center for Biological Modeling at the Michigan State University. The latest version of the Avida software. Configuration and executable files used to perform the experiments. The source code for the clustering algorithm. Example data from these experiments, and guide to experimental configuration and example data. Correspondence should be addressed to Stephanie Chow (e-mail: steph@caltech.edu.)