A man who received a transplanted heart ... the body's tissue and organs. He has suffered from a ruptured aorta and the bursting of an aortic valve. He also had a pacemaker fitted that stopped ...

However, some bioethicists have raised concerns about animal-to-human transplants. Syd Johnson, a bioethicist, noted, "They're not doing this so they can give organs away at the end of the day.

The new “lungs in a fridge” tech can keep the lungs intact for up to 18 hours, compared to about four hours when kept on it. It helps doctors fly further distances across the U.S. while keeping vital ...