Ritual Aztec whistles produced a brain-scrambling "scream," according to a new study. The objects were used during human sacrifices and may have prepared victims for their supposed descent to ...

After learning about the Aztec death whistle, explore the history of human sacrifice in pre-Columbian America. Or, learn about Xipe Totec, the Mesoamerican god of human flaying.

when Hernán Cortés landed in Mexico he encountered an Aztec civilization dedicated to the practice of human sacrifice on a shocking scale. Tens of thousands of people were hauled to the top of ...