The Aztec death whistle's scream-like sound evokes fear and symbolizes mythological deities, linking modern and ancient ...

The Aztec skull whistle produces a shrill, screaming sound. A study shows that these whistles have a disturbing effect on the human brain. The Aztecs may have deliberately used this effect in ...

The text, the Florentine Codex, is a visual and written encyclopedia of the history of the Aztec people in Mexico, pre- and ...