Artificial intelligence a central theme of a sweeping manifesto by Pope Leo. In his first encyclical called Magnifica Humanitas — or Magnificent Humanity — the head of the Catholic Church called for stiffer regulation and urged developers to work for the common good, rather than for profit. Pope Leo also denounced the "culture of power" that's driving the AI race, especially in developing more sophisticated methods of remote warfare. He was joined by Anthropic — one of the world's top AI firms —