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Supercooled livers last for days

When a human donor organ becomes available, transplant surgeons have only about 12 hours to collect and transplant the tissue before it breaks down. But a slow-cooling method that first chills rat livers and then drops the temperature to below freezing — allowing them to be stored in a \’supercooled\’ but non-frozen state — keeps them fresh for three days. If the method works for human organs, it could drastically increase the number that are available for transplantation.

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