Air pollution is an accelerating global crisis affecting millions of lives and ecosystems. Air pollution is contamination of the...

North Korea, officially the Democratic People's Republic of Korea (DPRK), is a totalitarian regime. The government controls political,...

The Lighthouse of Alexandria or Pharos Lighthouse is a beacon for seafarers and a brilliant display of power, wealth and technology in...

Molybdochalkos is a blend of copper and lead. It's the standard metal used in the kerotakis, an alchemical creation attributed to Maria...

Prague is an epicenter of medieval and Renaissance Bohemian culture, art and architecture. Capital of today's Czech Republic, Prague has...

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...

Barbara von Zweibrücken-Neuburg (1559 - 1618) is described as a striking personality. Intelligent, charismatic and formidable of will,...

Eirenaeus Philalethes is a pseudonym of London alchemist George Starkey (1628 - 1665). It turns out he needs one. Financially he...

The House of Wisdom in ancient and medieval Baghdad attracts scholars, philosophers, scientists, historians, writers and travelers, all...

Bolos of Mendes (Bolus of Mendes) is a Neo-Pythagorean writer of the Nile Delta in the 3rd century BCE. He publishes several works under...

Mendes is an important city of ancient Egypt, in the Nile Delta. The bolus of Mendes or Mendesian bole refers to a medical preparation...

Zosimos of Panopolis (c. 300 AD) is a pivotal figure in the history of alchemy . Born in Panopolis, ancient Egypt, Zosimos lives in the...

Venetian Red, also called Mars Red, is a non-toxic iron oxide pigment used by dyers, painters and craftspersons since the early days of...

The Ottoman-Venetian Wars are seven major conflicts between the Ottoman Empire and the Republic of Venice from the late 14th to the 18th...

Venice during the Renaissance emerges as a vibrant center of art, culture and commerce, influencing the broader European scope. The...

Antonio Neri is a Renaissance Florentine priest, well known for contributions to alchemy and glassmaking. As a youth Neri is drawn to the...

Bathing is an important part of ancient Roman culture. Structures such as the Baths of Diocletian or Thermae Diocletiani in Rome are a...

Ancient Alexandria, jewel of Egypt, is renowned as a city of philosophy, medicine and alchemy. A crucial turning point happens 297 AD....