Fernanda Santos soil sampling (IMAGE) DOE/Oak Ridge National Laboratory Caption ORNL’s Fernanda Santos examines a soil sample at an NGEE Arctic field site in the Alaskan tundra in June 2022. Credit Amy Breen, University of Alaska Fairbanks Usage Restrictions use photo credit 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.