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The Aztec Death Whistle? The Sound Researchers Are Calling ‘Most Terrifying in the World’

The 'Aztec Death Whistle' terrified people five centuries ago. The effect seemingly is the same even now, stated the Daily Mail. This finding was confirmed by a study published in the journal ...
The Why Files on MSN

It sounds like a human dying - it's a 500-year-old weapon

It sounds like a person being tortured. But it’s not a scream — it’s a whistle. The Aztec Death Whistle was used in rituals, sacrifices, and war. Archaeologists once dismissed the stories as ...