Imitating Nature (image) Swiss Federal Laboratories for Materials Science and Technology (EMPA) Share Print E-Mail Caption A network of muscle fibers grows on spun plastic scaffold. Under a confocal laser scanning microscope the muscle fibers appear in red, and the cell nuclei in blue. Credit Image: Lukas Weidenbacher 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.