http://news.bbc.co.uk/2/hi/americas/6917113.stm
Oscar has a habit of curling up next to patients at the home in Providence, Rhode Island, in their final hours.
According to the author of a study in the New England Journal of Medicine, the two-year-old cat has been observed to be correct in 25 cases so far.
Staff now alert the families of residents when he sits down next to their ailing loved one.
"He doesn't make many mistakes. He seems to understand when patients are about to die," David Dosa, a professor at Brown University who carried out the research, told the Associated Press news agency.