BBC reports that people who experience a sense of spirituality in church may be reacting to the extreme bass sound produced by some organ pipes. Ravers in fields around the world rejoice that science has finally caught up with them. Feel the bass. Many churches and cathedrals have organ pipes that are so long they emit infrasound which at a frequency lower than 20 Hertz is largely inaudible to the human ear. But in a controlled experiment in which infrasound was pumped into a concert hall, UK scientists found they could instil strange feelings in the audience at will. These included an extreme sense of sorrow, coldness, anxiety and even shivers down the spine. ... Sarah Angliss, an engineer and composer in charge of the project, added: "Organ players have been adding infrasound to the mix for 500 years so maybe we're not the first generation to be 'addicted to bass'. read full BBC article here: