Artificial Cartilage Scaffolding (IMAGE) Duke University Caption Tiny interwoven fibers make up the three-dimensional fabric "scaffold" into which a strong, pliable hydrogel is integrated and injected with stem cells, forming a framework for growing cartilage. This image appears on the cover of the Dec. 17, 2013, issue of Advanced Functional Materials. Credit courtesy of Frank Moutos and Farshid Guilak 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.