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

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

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

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

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

Hearing the whistle's sound activated the low-order auditory cortical regions of the volunteer's brains – regions which tune ...

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, carved instruments ...

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

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