Known as the "Aztec death whistle," this object is an ancient Mesoamerican wind instrument typically crafted into the shape of a skull. While experts aren't sure what the whistle would have ...

Ever wondered what true terror sounds like? The Aztec Death Whistle is an ancient instrument designed to send chills down ...

Now, a new study from the University of Zurich reports that the Aztec Death Whistle is unlike any instrument ever made. Literally. The researchers analyzed the acoustic properties of the whistle ...