Sally Benson, Stanford University (IMAGE) Stanford University Caption Stanford Professor Sally Benson studies the movement of carbon dioxide through rock core samples. The goal is to predict how minute grains and pores in rock will affect the flow of large quantities of CO2 pumped deep underground. Credit Anne Knudsen Usage Restrictions Photographs provided by the Precourt Institute for Energy at Stanford University are to be used - with appropriate credit - for editorial purposes only. Flopping, altering or otherwise embellishing these photos in any way that changes the photographs' editorial content is prohibited. Images provided for web use must be resized to low resolution. Permission is for one-time use only. Supplied image file must be deleted after use. 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.