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Researchers at University of California are developing a new way of easing the shortage of human organs for transplants, by growing them inside pigs. Dan Damon asked Dr Julia Baines, a scientific policy advisor from PETA (People for the Ethical Treatment of Animals) for her reaction. (Photo: This pregnant sow is carrying human-pig chimera embryos Credit: ÃÛÑ¿´«Ã½)