The brain tumor cluster at Australia's RMIT University is Topic A for EMF watchers around the world. It all began on Thursday when Australian TV news reported that the university had launched an investigation into seven cases of brain tumors among staff members in a 17-storey building on its Melbourne campus. Five of those who developed tumors worked on the top floor of the building (two others were on the 11th and 14th floors), and six of the seven had been there for more than a decade, according to the Australian, a national newspaper. Five of the cases were uncovered in the last month, while two others were reported in 1999 and 2001, Melbourne's The Age reported.