A new “off-the-shelf” cartilage scaffold could help the body regrow bone—without needing a patient’s own cells. Credit: Shutterstock Bone and skeletal injuries are a major cause of long-term disability around the world. Researchers at Lund University in Sweden have now developed a cell-free cartilage structure designed to guide the body as it repairs damaged bone. According to the study, this engineered transplant can promote bone healing without provoking strong immune reactions. The method