Rust hides within itself a secret life, orchestrated by industrious communities of microscopic bacteria with immense power in the process...

Gum arabic, also known as acacia gum, is a natural substance derived from sap of Acacia trees, especially Acacia senegal . This sticky,...

Thickening gums such as gum arabic, guar and xanthan gums are indispensable for creation of inks and pigment by individual or industrial...

Sacred Geometry celebrates the beauty of mathematics and creation. Its constructs are universal patterns and structures and a balance of...

Soot is as old as fire. A dark, powder formed by incomplete burning of organic matter, it's used for centuries due to its easy...

Tungsten, also known as wolfram, is a rare and versatile metal. In nature, tungsten is found in ore form, combined with other elements....

Some graphics may be disturbing. Disease in the European Renaissance takes a grave toll. Ancient killers include smallpox, malaria,...

Four Medici Popes shape history during their reigns: Pope Leo X, Pope Clement VII, Pope Pius IV, and Pope Leo XI. Centered in Florence,...

The Italian or Roman Inquisition is established 1542 by Pope Paul III, largely as a response to the Protestant Reformation. Reformers...

The Catholic Inquisition is an institution in Christianity from the 12th to 19th century. Its purpose is to identify and eliminate heresy...

The Habsburg Dynasty in history is one of Europe’s most powerful and influential royal families. From origins in the Swiss canton of...

The Thirty Years' War (1618-1648) is one of the most destructive conflicts in European history. Up to 8 million people lose their lives...

The Thirty Years' War (1618 - 48) is a major factor in the collapse of the European Renaissance and devastates a continent for three...

Egg tempera painting is beloved for its luminous quality and durability. This method uses egg yolk as a binding agent for pigments, and...

Projection, according to experts of the Renaissance, is the final act of alchemical work once the Philosophers' Stone has been made. The...

The kerotakis (Greek: κυροτακίς) is an ancient alchemical apparatus of multiple purposes, primarily heating substances and collecting...

Mother of vinegar ( Mycoderma aceti ), is a fascinating compound of life, with a range of health benefits and versatile uses. The Mother...

The Book of Comarius is a mysterious tome dedicated to Cleopatra the Divine, or Cleopatra the Alchemist of Alexandria. In it, Comarius, a...

Ammonia is a simple versatile compound vital to life on Earth. Here's the info on its formation, historical significance, potential...

Hydrogen Peroxide (H₂O₂) is one of the most versatile chemicals today due to powerful oxidizing properties and a wide range of...