Collecting Data in the Field (IMAGE) University of Pennsylvania Caption Researcher Meagan Rubel administers a taste perception test to a study participant. Microbiome work was one component of the Tishkoff lab's field collection, which targets many tissue types and data points to develop an integrated understanding of human adaptation and evolution in Africa. Credit Courtesy of the Tishkoff laboratory Usage Restrictions In context of reporting 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.