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

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

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

With a love of human sacrifice, warfare, and towers made out of human skulls, the ancient Aztecs certainly knew how to have ...

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

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

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

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

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

New research reveals that the sounds from the mysterious Aztec death whistle has an "aversive" and "scary" impact on the ...

Aztec “skull whistles” found in ancient gravesites were designed to produce shrieking sounds and instil “otherworldly” fear ...