Base Pair Stacking Forces (IMAGE) Technical University of Munich (TUM) Caption This is an illustration of base pair stacking forces in DNA molecules. Credit Christoph Hohmann & Hendrik Dietz/ Nano Initiative Munich/ TUM Usage Restrictions Free use with credit and related coverage 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.