Tellurium is the Latin word for earth. A brittle, non-malleable silvery white metalloid, tellurium (Te) is a rare element having both...

In alchemy an essential piece of equipment is the hearth or forge. Smelting metal applies heat and a reducing agent to separate one or...

Isaac Newton, English physicist and mathematician, has a deep interest in the occult. He writes of chronology, biblical interpretation...

Argyropoeia is the process of making silver from another metal, such as copper. Although gold-making or chrysopoeia is better known,...

Roger Bacon (c. 1219 - 1292) is a Franciscan friar and fiery figure in medieval and later science and philosophy. He's known for his...

The theory of the four humors dominates medicine for two thousand years. Since the time of the ancient Greeks to the 19th century, humor...

Rosicrucianism is the study or following of a movement based in Renaissance thought, popular in the 17th century. Rosicrucians explore...

Democritus, an ancient Greek philosopher, makes a groundbreaking conclusion: matter is fundamentally indivisible. He introduces the...

Calcination is a crucial process in sciences such as metallurgy and chemistry. A process of ancient alchemists, it's used allegorically...

The Pauli Effect is a peculiar phenomenon named after physicist Wolfgang Pauli. In the early 20th century, quantum theory is a brave new...

Alchemy processes such as calcination, fermentation and distillation appear frequently in history and modern life. Neolithic humans use...

Women scientists work wonders in the ancient world. Science in history includes astrology, astronomy, medicine, alchemy, chemistry,...

Alchemy rises from inquiring minds . Golden Ages of alchemy appear in Greco-Roman Alexandria , medieval Islam and the Renaissance ....

The Elixir of Life has value beyond money. The concept first appears in Mesopotamia of the 2nd millennium BCE. Its discovery is one of...