Foam (2 of 2) (IMAGE) Rice University Caption In a bubble-forming mechanism discovered at Rice University, neighboring bubbles pinch a third into two before it enters a constriction like those found in oil-bearing reservoirs deep in the Earth. The research is part of Rice's effort to understand the creation of foam for enhanced oil extraction and other purposes. Credit Biswal Lab/Rice University 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.