A hop, a kick, a brand new knee! (VIDEO) University of Connecticut This video is under embargo. Please login to access this video. Caption A rabbit hops along a treadmill, stimulating a piezoelectric charge in its bioengineered knee. The charge encourages the regrowth of fresh, mechanically robust cartilage, making the knee as strong and functional as it was before it was injured. Credit Thanh Nguyen/University of Connecticut and UConn Health Usage Restrictions Please use only with full credit given to Thanh Nguyen and University of Connecticut. License Original 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.