Soil Microbes and Fertility: A Look into the Past (1 of 4) (image) American Association for the Advancement of Science Share Print E-Mail Caption Rebecca McCulley, one of the co-authors of this study, collecting a soil core from a prairie in Minnesota. This image relates to a paper that appeared in the 1 Nov., 2013, issue of Science, published by AAAS. The paper, by Noah Fierer at the University of Colorado at Boulder in Boulder, CO, and colleagues was titled, "Reconstructing the Microbial Diversity and Function of Pre-Agricultural Tallgrass Prairie Soils in the United States." Credit [Image courtesy of Rebecca McCulley] Usage Restrictions Please cite the owner of the image when publishing. This image may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact Science for permission. 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.