Scientists at The University of Nottingham have discovered the gene that enables an extraordinary worm to regenerate its own body parts after amputation — including a whole head and brain. Their research into the Planarian worm is another piece in the scientific jigsaw that could one day make the regeneration of old or damaged human organs and tissues a real possibility. Dr Aziz Aboobaker on the discovery of a gene which helps explain the mysterious healing powers of his immortal worms. Credit: University of Nottingham