First-of-its-kind surgery may have helped reverse baby’s paralysis 
Scientists convert kidney to universal “O” blood type
Synthetic cartilage is now stronger than the real stuff 
Eye implant made from pig skin reverses blindness in 14 people
NASA is sending a robot surgeon to the ISS 
Why don't surgeons train like fighter pilots? Now some do.
NYU performs two more pig-to-human heart transplants
FDA may soon allow pig organ transplant trials
How three kids got kidney transplants without immunosuppressants
UK man receives double hand transplant to treat rare disease