Audio Clips of Andrew Moeller (AUDIO) University of Texas at Austin Your browser does not support the audio element. Caption In these audio clips, University of California at Berkeley postdoctoral researcher Andrew Moeller describes the results of a study that found the gut microbes of hominids trace back millions of years and have co-evolved alongside species such as humans, chimpanzees, and gorillas. Credit The University of Texas at Austin Usage Restrictions None 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.