Illustration of the Chemical Caryatids (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption This is an illustration of the 'Chemical Caryatids'. Credit B. Smit/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.