Matthijs van Soest Collects Sample (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Arizona State geochemist Matthijs van Soest samples surface water in the northern Basin and Range. The sample is collected without direct exposure to air and stored in the copper tube, foreground left, which will be sealed by crimping. Credit Mack Kennedy Usage Restrictions None 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.