US scientists have used a new procedure to restore many biological functions in pigs that had been dead for more than an hour, raising profound questions about the boundary between life and death. The project at Yale University extends a groundbreaking experiment that restored some brain functions to decapitated pigs three years ago. In the latest development, the team has restored blood circulation and cellular activity to the bodies of whole animals that were anaesthetised and then killed through an induced heart attack.
美國科學家使用新方法，恢復了死亡時間超過一小時的豬的許多生物學功能，這引發了有關生死之邊界的重大問題。
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