Microfluidic Device (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption The scientists examined thousands of cell-free reactions on a microfluidic chip. Credit Zoe Swank / EPFL 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.