The scientists from many countries wonder how naked mole rats manage to live for over 30 years, which is not typical of rodents. Usually bigger animals – turtles, elephants and whales – are used as examples of long-livers. Olga Averina, junior research fellow at the Belozersky Research Institute of Physical and Chemical Biology, Lomonosov Moscow State University, told us about these long-liver animals, their natural habitat and the conditions created for them at the Moscow-based laboratory.