While human beings have some impressive self-healing capabilities , we're nowhere near the level of salamanders or axolotls that can resprout whole appendages – but might that change in the future? A team led by researchers from Texas A&M University have successfully coaxed a regenerative tissue response in mice that had a toe removed. The regrowth was "imperfect", the researchers report , but the results are definitely encouraging. The technique used here hasn't been tested in humans, but