The U.S. Food and Drug Administration recently approved the first-ever clinical trial of the transplantation of a nonhuman animal organ—a genetically modified pig kidney—into living human recipients.

But will these “bodyoids” ever be ethically acceptable? This week, MIT Technology Review published a piece on bodyoids—living bodies that cannot think or feel pain. In the piece, a trio of experts ...

At an international conference, researchers at the forefront of animal-human transplantation compared notes and allowed themselves the first real optimism in decades. At an international conference, ...