Clear and Milky (IMAGE) Technical University of Munich (TUM) Caption A team at the Technical University of Munich (TUM) has shown for the first time, that phase separation is an extremely efficient way of controlling the selection of chemical building blocks, providing advantages to certain molecules. This simple mechanism could have been decisive for the development of life. Left: clear solution; right: inside the tiny oil droplets instable molecules survive longer. Credit Andreas Battenberg / TUM 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.