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New research has confirmed that an obsidian mirror used by John Dee, confidante to Queen Elizabeth I, to contact otherworldly spirits in his occult practices has Aztec origins. "John Dee is a ...

There are plenty of ways to deal with chemical waste: You could ship it across the ocean. Or pump in into Ohio. Or, you could use a Back to the Future-style process that “recreates the conditions ...

When Elizabeth I’s scientific adviser and “philosopher” John Dee died in 1609 at the age of 81 he left behind a trove of unusual artifacts. Among them was his speculum, a hand mirror made of polished ...

Scientists have shown that an obsidian hand-mirror once owned by the Renaissance polymath John Dee has Aztec origins, thus confirming a longstanding mystery. John Dee was quite the character. Born in ...

An exhibition that opened yesterday at the National Palace Museum in Taipei features a 400-year-old obsidian mirror associated with the Aztec deity Tezcatlipoca. The mirror is being displayed in ...