Soil core sample (IMAGE) Virginia Tech Caption A soil core sample taken from a NEON site in Colorado, one of approximately 400 samples tested for this study. Credit Photo courtesy of Adrian Gallo. Usage Restrictions Must 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.