https://www.livescience.com/archaeology/shrill-piercing-and-scream-like-aztec-death-whistles-create-a-sense-of-fear-and-terror-in-listeners-brain-scans-reveal
Aztec 'death whistles,' used to prepare sacrifice victims to descend to the underworld, scramble...
Nov 22, 2024 - Brain scans of modern listeners suggest that Aztec whistles sound like human screams, which may have prepared sacrifice victims for their journey to the...
aztec death whistlesused to