Obsidian Blades: The Forgotten Surgical Engineering of the Mesoamerican Empires

Amidst the blood-soaked altars and chaotic, bustling markets of the 15th-century Aztec capital of Tenochtitlan, a silent, hyper-advanced scientific revolution was taking place far away from the gaze of future European conquerors. While the absolute monarchs of the Old World were suffering through brutal, unsterilized butchery masked as medicine, Mesoamerican priests were escalating the stakes of...