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