Sampling device (IMAGE) University of Texas at Austin Caption A figure from the study illustrating the suite of sensors and samplers installed in boreholes deep under the forest to capture the movement of water and gases in the fractured bedrock. Credit Tune et al. Usage Restrictions Include photo credit 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.