Surgery

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 (Updated)
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
Docs discover likely cause of pig heart transplant failure
Bacteria living inside tumors help cancer spread through the blood