Mechanism for Form (image) Ecole Polytechnique Fédérale de Lausanne Caption This is a diagram of the mechanism for form. The blue whale and the earth worm owe their form to the same biological mechanism. EPFL researchers have discovered the secret. Credit Infographic courtesy of Pascal Coderay, EPFL Usage Restrictions Appropriate caption and credit required 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.