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

“Death whistles,” or Aztec skull whistles, were short, carved instruments made of two opposing chambers where air could clash ...

The Aztec Death Whistle. If hell has a sound, I bet it sounds a lot like the Aztec Death Whistle. The Aztec Death Whistle ...

When archaeologists blew into these creepy kazoos, they emitted an unearthly, banshee-like shriek similar to a haunted ...

The researchers recorded the sound of original and replica Aztec death whistles. Human listeners found these sounds ...

The Aztec skull whistle produces a shrill, screaming sound. A study conducted at the University of Zurich shows that these ...

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

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

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

The mysterious Aztec "death whistles" have fascinated researchers with their eerie, terrifying effect they have on the ...

Imagine an object so terrifying that its mere sound could make your blood run cold. Scientists say that's exactly what an ...

Sound has the incredible ability to instill a certain kind of emotion into whoever hears it. The soulful call of a loon feels ...