BARCELONA, Spain — At the inauguration of the Parliament of the World’s Religions, one of the largest and oldest prayer ministries announced the opening of the Office of Prayer Research, a think tank dedicated to broadening our knowledge of the scientific effects of prayer. Members of the spiritual thought movement, Unity, stressed the importance and ambition of their new prayer center, located outside Kansas City, Mo. “Throughout history, when science and religion have come together, there has typically been more clash than collaboration,” Unity President Tom Zender said, adding that at the Office of Prayer Research, “men and women of...