Alchemy in the Middle Ages was more than just a quest to turn lead into gold – it was a complex blend of science, mysticism, and philosophy. In this video, we explore the fascinating world of medieval ...

Classroom Activity for the NOVA program Newton's Dark Secrets: In Secret Symbols, students read and interpret a passage from a famous alchemical text titled The Twelve Keys of Basil Valentine.

As a new exhibition looks at the concept of the loop, Joobin Bekhrad discovers how one symbol had different meanings in ancient Egypt, Hindu mythology and Renaissance alchemy.

Antimony has enjoyed wide use throughout history, and not just in alchemical experiments. Egyptian women used one form of antimony, stibium, as eyeliner (hence the symbol for antimony, Sb, even ...

Classroom Activity for the NOVA program Newton's Dark Secrets: In Secret Symbols, students read and interpret a passage from a famous alchemical text titled The Twelve Keys of Basil Valentine.