India, Oct. 14 -- Berlin (dpa) - Unusual for animals from a biological point of view, female mountain gorillas often live many years after last giving birth - just like people. This may be to care for their young, according to scientists from the University of Turku in Finland and the Max Planck Institute for Evolutionary Anthropology in Leipzig. They weighed three decades of life history and behavioural data from 25 wild mountain gorillas in Bwindi Impenetrable National Park in Uganda, for a study published in the journal Proceedings of the National Academy of Sciences (PNAS). Seven of the females examined lived more than 10 years after their last birth - more than twice as long as the average interval between two births, the researchers f...