Archaeologists have uncovered several versions of these skull-shaped clay whistles from Aztec gravesites dating from about 1250 to 1521AD. Many have been found to work today just as they likely ...
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Aztec 'death whistles,' used to prepare sacrifice victims to descend to the underworld, scramble your brain, scans revealBrain scans of modern listeners suggest that Aztec whistles sound like human screams, which may have prepared sacrifice victims for their journey to the underworld.
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