(IMAGE) Saarland University Caption The stickers are skin-friendly and are attached to the skin with a biocompatible, medical-grade adhesive. Credit Oliver Dietze Usage Restrictions The press photograph can be used at no charge. Please read and comply with the conditions of use (<a href="http://www.uni-saarland.de/pressefotos" target="_blank">www.uni-saarland.de/pressefotos</a>). 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.