Original: Towards the end of 1889 he was called to the University of Bologna, his home city, where he worked for the rest of his life on subjects such as the Zeeman Effect, 'Roentgen rays', magnetism and the results of Michelson's experiments.
Simplified: In late 1889 he went to the University of Bologna, where he worked for the rest of his life on things like the Zeeman Effect, 'Roentgen rays', and magnetism.