Down in the Dirt (IMAGE) Rockefeller University Caption Researchers in the Brady lab, postdoc Zachary Charlop-Powers, above, examine DNA from soil samples that might encode microbial molecules with interesting properties. Credit Zach Veilleux/The Rockefeller University Usage Restrictions Image may be used only to illustrate the research described in the accompanying release. License Licensed content 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.