The Cambridge Animal Alphabet series celebrates Cambridge's connections with animals through literature, art, science and society. Here, N is for Naked Mole-Rats, which won't win any beauty contests, but can live for 30 years and may be able to help in the development of new therapies for chronic pain. - See more at: http://www.cam.ac.uk/research/features/n-is-for-naked-mole-rat#sthash.AyRG4EvV.dpuf