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A new study of the 788 pieces is the largest sample of obsidian artifacts ever analyzed for Tenochtitlán, which served as the capital city of the Aztecs — also known as the Mexica people ...

Each piece of obsidian, formed by volcanic magma, has a unique chemical signature. Using X-ray fluorescence, researchers can identify unique geochemical markers and confirm the provenance of each ...

Obsidian is the Winamp of productivity tools. If you're as ancient as I am, you might remember that the best part of that once-ubiquitous music player extension was the massive number of plugins ...

A new study of the 788 pieces is the largest sample of obsidian artifacts ever analyzed for Tenochtitlán, which served as the capital city of the Aztecs — also known as the Mexica people ...