Another article that gives an unlikely theory a run for the sake of words. The sterile neutrino or fourth neutrino is really and exercise in wishful thinking. It was nice to hear some words from my old Physics tutor at Melbourne University I find paying for access to research papers really rather frustrating when I want to check things out. 2.5 million papers published a year is awe inspiring probably too many. MP4 recording     MP3 recording -- -- Your browser does not support the audio element.