Sylvia Rose
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
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 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 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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Sylvia Rose
Oct 54 min read
Michael Sendivogius: Adventures in Alchemy
Michael Sendivogius (1566 - 1636) is a Polish savant of alchemy, medicine and chemistry. He designs mines and furnaces, travels widely...
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Sylvia Rose
Oct 54 min read
Mother of Vinegar & Microbial Life in a Bottle
Mother of vinegar ( Mycoderma aceti ), is a fascinating compound of life, with a range of health benefits and versatile uses. The Mother...
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Sylvia Rose
Oct 54 min read
Vinegar Eels: Life Cycle & Survival in Vinegar
Vinegar eels ( Turbovecula aceti ) are a vital link in the complexity of microscopic life forms. These tiny creatures are only 1-2 mm...
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Sylvia Rose
Oct 44 min read
Sophie Brahe Writer, Alchemist & Astronomer
Sophie Brahe (1556 - 1643) is born into a noble Danish family. Sister of astronomer Tycho Brahe, Sophie is destined for greatness. She...
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Sylvia Rose
Oct 45 min read
Valerian: Natural Health & Essential Oils
Valerian ( Valeriana officinalis ) is known for its calming properties. It's a prominent plant in natural health and herbal medicine....
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Sylvia Rose
Oct 43 min read
Fermentation: Yeast & the Active Microworld
Fermentation is among the oldest of alchemical processes. It's used intentionally by c. 8000 BCE to create honey mead, a blend of...
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Sylvia Rose
Oct 35 min read
Ethyl Alcohol: Science of Solvents & Booze
Ethyl alcohol, or ethanol, is the primary ingredient in alcoholic beverages. A clear, colorless liquid, it has a chemical formula of...
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Sylvia Rose
Oct 23 min read
Tartrate Crystals: Secrets of Tartaric Acid
Tartrate crystals appear on the bottom of a wine glass or in a bottle of grape juice, created by a reaction of tartaric acid. Reference...
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Sylvia Rose
Oct 22 min read
Red & White Tartar: Wine Salts of Alchemy
Red and white tartar are ingredients used by ancients and yet today. Alchemists have great interest in salts, waters, spirits and...
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Sylvia Rose
Oct 23 min read
Glauber: Preparation of a Golden Spirit of Wine
Preparation of a Golden Spirit of Wine, a medicinal potion, is a recipe from the writings of Dutch-German alchemist Johann Glauber . He's...
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Sylvia Rose
Oct 26 min read
Making Lixivium: Alchemy of Lixiviation
Lixiviation or leaching is an ancient process alchemy still used today in making tea, extracting dyes and ores. Lixivium is a general...
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Sylvia Rose
Oct 14 min read
Ammonia: Formation, Hazards & Reactions
Ammonia is a simple yet mysterious versatile compound vital to life on Earth. Explore its formation, historical significance, potential...
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Sylvia Rose
Oct 14 min read
Best Mortar & Pestles for Artists, Chefs, Scientists
The mortar and pestle as a unit is about 35,000 years old. With many varieties available today it's important to choose the best mortar...
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