From the ancient Aztecs’ efforts to appease the sun god to Apollo’s demands in the Iliad, human history is permeated with traditions of sacrifice, and China was no exception. In Zhejiang province, eastern China, scientists recently announced the discovery of a horse’s head sealed inside pottery at an ancient ritual site, dating back to the Eastern Zhou dynasty (770–256 BC). The Eastern Zhou dynasty encompassed both the Spring and Autumn Period (770–476 BC) and the Warring States Period (475–221...