Whistles shaped like skulls were used to create the sound of screams by the Aztecs.

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

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

Swiss and Norwegian neuroscientists have discovered that the ancient Aztec death whistle — often credited with emitting the scariest sound on earth — still terrifies people today due to a ...

Listen to death whistles from skull-shaped relic that ‘screams from the underworld’ – it has an effect on your BRAIN ANCIENT Aztec 'death whistles' have a strange 'uncanny valley'-style effect on the ...

ANCIENT Aztec 'death whistles' have a strange 'uncanny valley'-style effect on the human brain, new research has found. These clay instruments were often shaped like human skulls, and are known ...

The wail of the Aztec Death Whistle was the last thing many human sacrifices ever heard before they met their untimely end. The chilling noise is described as the 'scariest sound in the world ...

The skull-shaped body of the Aztec death whistle may represent Mictlantecuhtli, the Aztec Lord of the Underworld. Credit: Sascha Frühholz / UZH The so-called Aztec “death whistle” is an instrument ...

Ranging from a threatening hiss to a blood-curdling scream, the sound of the Aztec death whistle is as creepy as the skull-like appearance of the instrument that produces it. Brain scans suggest ...

It’s a haunting, ear-piercing shriek that stirs something primal in the human mind. The Aztec death whistle, a small artifact shaped like a skull, produces one of the most terrifying sounds ever ...

Ranging from a threatening hiss to a blood-curdling scream, the sound of the Aztec death whistle is as creepy as the skull-like appearance of the instrument that produces it. Brain scans suggest the ...