Archaeologists unearthed the first Aztec death whistles, also known as ehecachichtlis, in 1999 while excavating the ...

Ranging from a threatening hiss to a blood-curdling scream, the sound of the Aztec death whistle is as creepy as the ...

But in the forests of central Mexico, a single note from an Aztec whistle didn’t always indicate celebration — it meant death ...

ANCIENT Aztec ‘death whistles’ have a strange ‘uncanny valley’-style effect on the human brain, new research has found. These ...

Brain scans of modern listeners suggest that Aztec whistles sound like human screams, which may have prepared sacrifice ...

which may also be symbolized in the Aztec death whistle. Their skull-shaped body may represent Mictlantecuhtli, the Aztec Lord of the Underworld, and the iconic screaming sound may have prepared ...

But in the forests of central Mexico, a single note from an Aztec whistle didn’t always indicate celebration — it meant death. “Death whistles,” or Aztec skull whistles, were short ...