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, ...

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 ...

As its name suggests, an Aztec death whistle can make a most dreadful sound. But the effect depends on how it's played, explains musicologist and archaeologist Arnd Adje Both of the Free University of ...

Add Yahoo as a preferred source to see more of our stories on Google. Creepy Aztec death whistle Ranging from a threatening hiss to a blood-curdling scream, the sound of the Aztec death whistle is as ...

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 ...

Archaeologists have discovered numerous ceramic or clay whistles at Aztec sites, dubbed “death whistles” because of their distinctive skull shapes. A new paper published in the journal Communications ...

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.

Its fear-splitting screech reverberates throughout space and time. Swiss and Norwegian neuroscientists have discovered that the ancient Aztec death whistle — often credited with emitting the scariest ...

Many ancient cultures used musical instruments in ritual ceremonies. Ancient Aztec communities from the pre-Columbian period of Mesoamerica had a rich mythological codex that was also part of their ...