Alchemy in Byzantine times was a long intellectual tradition blending Ancient Greek science, Egyptian symbolism, and ...

Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. Experimentation is the basis of the scientific process — and ...

OK, boys and girls, take out your primer on Ursel Zetzner and grab your distillation vessel. We're going to do a little alchemy. Ursel Zetzner was the author of a multivolume book on alchemy begun in ...

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