Plus they made important strides in trigonometry to help people understand where to turn when trying to turn toward Mecca. You were working so well together, Science and Religion, but then, like Al and Tip or Gore, just couldn't last forever. Nothing gold can stay in this world. Nothing gold can stay. Best wishes, John Green. Baghdad wasn't the only center of learning in the Islamic world. In Spain, Islamic Cordoba became a center for the arts, especially architecture.