Screw-nut (image) Technical University of Munich (TUM) Share Print E-Mail Caption A screw-nut object created by DNA-origami. Using so-called DNA-enzymes, scientists at the Technical University of Munich were able to set-up a mass production process cutting the costs of DNA-origami objects by a factor of thousand. Credit Hendrik Dietz / TUM Usage Restrictions None Share Print E-Mail 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.