The experimental animal is unique among mammals in its ability to regrow its heart, toes, joints and tail.
The researchers have also found that when cells from the test mouse are injected into ordinary mice, they too acquire the ability to regenerate.
The discoveries raise the prospect that humans could one day be given the ability to regenerate lost or damaged organs, opening up a new era in medicine.
Now there's a medical trial that would be exciting, however dangerous it might be.
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