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

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

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 ...

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

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

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

ANCIENT Aztec 'death whistles' have a strange 'uncanny valley ... alongside human sounds of fear and pain. "Skull whistle sounds attract mental attention by affectively mimicking other aversive ...

A human skull found in a remote area northeast of Big Bear over the weekend has prompted a death investigation, authorities announced Tuesday. A hunter in the Smarts Ranch Road area north of ...

CHICAGO (CBS) -- Authorities in Kane County finally solved a cold case dating back 46 years, when a human skull was found during ... or that doctors at the time of her death might have purchased ...