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

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 ...

An ancient Aztec Death Whistle comes with one of the "most terrifying" sounds in the world, according to experts. The item ...

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

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 ...

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

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

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

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

It sounds like a scream from the depths of the underworld. It’s a haunting, ear-piercing shriek that stirs something primal ...