Patrick Bernauw says" Biologists at the Veterans Administration Hospital in Long Beach, California, wondered whether cats could sense the presence of X rays. Researchers exposed the felines to X-radiation and found the greatest effect occurred when the radiation was aimed at the olfactory bulb. According to a report in New Scientist however, the cats still retained some sensitivity to X rays after the olfactory bulb was removed. So, there may be more than one sensory receptor capable of detecting X rays, the scientists concluded." Read more about Paranormal pets