Sylvia Rose
Metal to Rust: Unseen Organisms in Action
Rust, the reddish-brown coating on metals, is formed by exposure to oxygen and moisture. Responsible for this phenomenon are several...
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Sylvia Rose
Oct 135 min read
Fermentation & Rot: Comparing Processes
Fermentation and rot are natural processes. While they may seem synonymous, a closer look reveals the differences between the two....
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Sylvia Rose
Oct 125 min read
Tungsten: Elusive Metal of Light, Art & Industry
Tungsten, also known as wolfram, is a rare and versatile metal. In nature, tungsten is found in ore form, combined with other elements....
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Sylvia Rose
Oct 127 min read
Tycho Brahe: Golden Renaissance Astronomer
Tycho Brahe (1546 - 1601) is a Danish Renaissance astronomer and polymath. His observatory Uraniborg is a center of intellect and...
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Sylvia Rose
Oct 116 min read
Women Brewers: Brewing History of Europe
Women have a significant role in brewing through history. Before brewing is industrialized, it's a domestic activity seen as providing...
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Sylvia Rose
Oct 116 min read
Eight Dye Plants & Natural Dyes in History
From vibrant reds extracted from roots to the deep blues synthesized from leaves, plants have abundant natural dyes and also health...
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Sylvia Rose
Oct 104 min read
Prague: Bohemians of the Renaissance
Prague is an epicenter of medieval and Renaissance Bohemian culture, art and architecture. Capital of today's Czech Republic, Prague has...
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Sylvia Rose
Oct 104 min read
5 Syphilis Treatments of European History
Syphilis is a complex disease, leading to unusual and alternative treatments in history. A sexually transmitted disease, syphilis is...
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Sylvia Rose
Oct 108 min read
Seven Deadly Diseases of the Renaissance
Some graphics may be disturbing. Disease in the European Renaissance takes a grave toll. Ancient killers include smallpox, malaria,...
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Sylvia Rose
Oct 94 min read
The Four Medici Popes: Controversial Connections
Four Medici Popes shape history during their reigns: Pope Leo X, Pope Clement VII, Pope Pius IV, and Pope Leo XI. Centered in Florence,...
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Sylvia Rose
Oct 95 min read
Roman Inquisition: Power, Prayer & Politics
The Italian or Roman Inquisition is established 1542 by Pope Paul III, largely as a response to the Protestant Reformation. Reformers...
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Sylvia Rose
Oct 96 min read
Catholic Inquisitions: Chronology & Overview
The Catholic Inquisition is an institution in Christianity from the 12th to 19th century. Its purpose is to identify and eliminate heresy...
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Sylvia Rose
Oct 84 min read
Protestant Reformation of Renaissance Europe
The Protestant Reformation is one of the most significant movements in Western history. It transforms not just the Christian Church but...
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Sylvia Rose
Oct 84 min read
Rise & Fall of the Habsburg Dynasty Europe
The Habsburg Dynasty in history is one of Europe’s most powerful and influential royal families. From origins in the Swiss canton of...
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Sylvia Rose
Oct 74 min read
Nitric Acid: Aqua Fortis the Acid Queen
Nitric acid, called the Queen of Acids or aqua fortis (strong water) is a vital chemical compound with significant importance in fields...
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Sylvia Rose
Oct 73 min read
Thirty Years' War Europe: Five Major Battles
The Thirty Years' War (1618-1648) is one of the most destructive conflicts in European history. Up to 8 million people lose their lives...
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Sylvia Rose
Oct 74 min read
Thirty Years' War: Conflict, Antagonists, and Impact on Society
The Thirty Years' War (1618 - 48) is a major factor in the collapse of the European Renaissance and devastates a continent for three...
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Sylvia Rose
Oct 77 min read
Art of Egg Tempera: Paint Like the Old Masters
Egg tempera painting is beloved for its luminous quality and durability. This method uses egg yolk as a binding agent for pigments, and...
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Sylvia Rose
Oct 63 min read
Process of Projection in Renaissance Alchemy
Projection, according to experts of the Renaissance, is the final act of alchemical work once the Philosophers' Stone has been made. The...
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Sylvia Rose
Oct 63 min read
Niter (Saltpeter): Science of Alchemy
Niter or saltpeter (KNO3) is the mineral form of potassium nitrate. A soft substance easy to grind, it creates colorless to white...
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