Welcome back to the Bryant Park Project from NPR News. We are always online at npr.org. Some people like to go out and make their friends, to earn them, to be nice to other people, perhaps charming, ...

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 findings support the hypothesis that such whistles may have been used in Aztec religious rituals or perhaps as mythological symbols. Click to expand... Or, given the fear it inflicts on those who ...

Throughout history, armies have used more than bullets and bombs to defeat their enemies. This video explores some of the most terrifying sounds and psychological weapons ever used in warfare, ...

Add Yahoo as a preferred source to see more of our stories on Google. During ritual ceremonies, the ancient Aztec civilization used a “death whistle” — a haunting instrument shaped like a human skull.

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 ...

The Aztec Death Whistle is one of the strangest and most unsettling artifacts ever discovered. Often shaped like a human skull, this ancient instrument produces a piercing, scream-like sound that many ...

Researchers based the replica on a well-preserved model found in Mexico during the 1990s. Scientists played the 3D-printed instrument and recorded the sound, which is akin to a high-pitch shriek. It ...

SCIENTISTS have recreated the terrifying sound of an Aztec death whistle. The whistle, used by the Aztecs during human sacrifice rituals, was recreated using 3D printing technology. Researchers based ...