Alchemy comes in several varieties, and can be used to help someone just as it can be used to hurt.
The Chemical Heritage Foundation wants to set the record straight about alchemy. The medieval practice, often perceived as a dark art or pseudoscience, actually helped form the process of scientific ...
BALTIMORE — An alchemical recipe, kept secret for 400 years, hangs on a wall in the history department at Johns Hopkins University. The message is hidden in a picture of a large and muscular dragon.