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 ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The Aztec death whistle is a mesoamerican instrument designed to imitate a human ...

Archaeologists have discovered numerous ceramic or clay whistles at Aztec sites, dubbed "death whistles" because of their distinctive skull shapes. A new paper published in the journal Communications ...