Mighty Microbes Where Rivers Run (VIDEO) DOE/Pacific Northwest National Laboratory This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Microbes and their influential role in Earth’s climate take center stage in the area where river water and groundwater mix -- an area known as the hyporheic zone. Credit Video courtesy of PNNL Usage Restrictions All can use, just please credit: Video courtesy of PNNL 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.