The Wall Street Journal reports on a novel method for regenerating a meniscus, the pad that serves as a shock absorber between the thigh and shin bones. The technique, developed with funding support from NIBIB, uses a 3D printer to make a scaffold of a person's meniscus using a biodegradable material. The scaffold is then filled with growth factors that coax stem cells to grow a new meniscus inside the joint. The technique was recently successfully tested in sheep. Read more at www.wsj.com.