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 ...

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.

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 ...

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 age of steam is long gone, but there are few railfans who don’t have a soft spot for the old rolling kettles. So you’d best believe when [AeroKoi] talks about 3D printed train whistles, that’s ...

The horse whinny, or neigh, has been a familiar sound at least since the animal was domesticated, around 4,200 years ago. But until now, scientists didn’t understand how horses produced this ...

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 ...