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 ...
ZÜRICH, Switzerland — Imagine an object so terrifying that its mere sound could make your blood run cold — a sonic weapon designed to disrupt the brain and induce pure dread. This isn’t the plot of ...
ANCIENT Aztec 'death whistles' have a strange 'uncanny valley'-style effect on the human brain, new research has found. These clay instruments were often shaped like human skulls, and are known for ...