Rising Bubble (IMAGE) University of Chicago Caption Pinch-off of an air bubble rising from a cylindrical glass nozzle submerged in water. Credit Nathan Keim, University of Chicago Usage Restrictions This image may be used to illustrate news reports in connection with the findings described in this news release. 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.