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Scientists restore blood flow and cell function throughout bodies of dead pigs

Scientists announced Wednesday they have restored blood flow and cell function throughout the bodies of pigs that were dead for an hour, in a breakthrough experts say could mean we need to update the definition of death itself.

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Benjamin Curtis, a philosopher focused on ethics at the UK's Nottingham Trent University, said the definition of death may need updating because it hinges on the concept of irreversibility. "This research shows that many processes that we thought were irreversible are not in fact irreversible, and so on the current medical definition of death a person may not be truly dead until hours after their bodily functions have stopped," he told AFP.