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

The Aztec death whistle is a mesoamerican instrument designed to imitate a human scream, and was often used during battle or ...

Those who hear it are shocked by its uncanny vocal quality, an otherworldly whirr that would no doubt have been chilling to ...

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

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

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

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

During ritual ceremonies, the ancient Aztec civilization used a “death whistle” — a haunting instrument shaped like a human ...

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

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 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 ...