Within a 20-minute walk from Notre Dame Cathedral, in the 3rd arrondissement of Paris, is the oldest house in the city: the house of Nicolas Flamel. If the name rings a vague bell, perhaps it’s ...

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.