Barbara Golden, Purdue University (image) Purdue University Share Print E-Mail Caption A team led by Purdue structural biologist Barbara Golden crystallized a fungus molecule that has allowed researchers to visualize a stage of evolution. Researchers from Purdue and the University of Texas at Austin collaborated to study the change from a world of RNA to one of RNA and proteins and DNA. Credit Purdue Agricultural Communication photo/Tom Campbell Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.