A team of scientists from the University of Zurich, Switzerland, has created 3D reconstructions of several Aztec skull ...
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 ...
Brain scans of modern listeners suggest that Aztec whistles sound like human screams, which may have prepared sacrifice ...