Probing How Microbiomes Affect Our Health (IMAGE) DOE/Pacific Northwest National Laboratory Caption PNNL scientists design and build chemical probes to understand the role of active proteins in cells and microbiomes. Credit Photo by Andrea Starr | Pacific Northwest National Laboratory Usage Restrictions None License Original 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.