The Aztec skull whistle produces a shrill, screaming sound. A study shows that these whistles have a disturbing effect on the human brain. The Aztecs may have deliberately used this effect in ...

Why Aztec “death whistles” sound like human screams The basic mechanism relies on the Venturi effect, producing a unique rough and piercing sound.

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.

The tragic flute. Scientists sent shivers down the internet's collective spine after recreating an ancient Aztec "death whistle" that's said to emit the "most terrifying sound in the world." ...

When the Aztecs dominated central Mexico, a blood-curdling sound like a human scream played through a small whistle. Luis Aceves via Unsplash In cultures around the world, instruments have brought ...

The Aztec skull whistle produces a shrill, screaming sound. A study conducted at the University of Zurich shows that these whistles have a disturbing effect on the human brain. The Aztecs may have ...