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Sylvia Rose
2 hours ago7 min read
Brettanomyces: Favorite Artisan Wild Yeast
Brettanomyces is a wild yeast with domestic traits. "Brett" is found throughout the natural world. Microscopy helps define and...
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Sylvia Rose
3 days ago5 min read
Krausen (Kräusen): Bubbles of Brewing Success
Krausen is a joyful moment in brewing and fermenting. When krausen appears, fermentation is under way. When it falls, fermentation is...
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Sylvia Rose
4 days ago9 min read
Feudalism & the German Peasants' War
Feudalism is a structured system of land ownership and governance in which the rich get richer and the poor get poorer. It includes a...
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Sylvia Rose
5 days ago6 min read
Milk into Cheese: Lactic Acid Bacteria (LAB)
Lactic acid bacteria (LAB) work to help transform milk into cheese, creating unique flavors and textures. They ferment sugars, mainly...
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Sylvia Rose
Dec 29, 20247 min read
German Romanticism: Nature & Emotion
German Romanticism (Deutsche Romantik) is an influential movement emphasizing profound emotions, the beauty of nature, and the power of...
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Sylvia Rose
Dec 25, 20244 min read
Pyrococcus furiosus: Extremophile of Vulcano
Pyrococcus furiosus is an extremophile first discovered in the boiling hot, anaerobic conditions of the volcanic island Vulcano. This...
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Sylvia Rose
Dec 24, 20245 min read
Vulcano: Child Miners, Gods & Extremophiles
Vulcano is part of the Aeolian Island archipelago of Italy. Named for Vulcan, Roman god of fire and metalworking, Vulcano is a unique...
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Sylvia Rose
Dec 22, 20248 min read
Yeast & Mold: Ancient Fungi, Modern World
Yeast and mold are types of fungi, adept at the decomposition of organic matter. They share some similarities but each has a unique...
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Sylvia Rose
Nov 25, 20244 min read
Flowers of Antimony: Pure Medieval Purgative
Flowers of antimony are a purified form of antimony trioxide (Sb2O3). Created through sublimation, they have chemical and medical...
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Sylvia Rose
Nov 24, 20244 min read
Glass of Antimony: Renaissance Purgatives
Glass of antimony , or vitrum antimonii , gives warm yellow or red hues. As Sb2O3, its use in alchemy is largely medicinal, one of many...
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Sylvia Rose
Nov 24, 20246 min read
Faust: Fact & Fiction German Renaissance
Johann Georg Faust or Doctor Faustus is an alchemist, physician and magician, a cryptic figure of the German Renaissance. Perceived by...
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Sylvia Rose
Nov 22, 20245 min read
German Peasants' War: Rebellion of Despair
The German Peasants' War (1524-5) is short, bloody and violent, and changes the course of history in Europe. Up to 400,000 peasants rise...
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Sylvia Rose
Nov 19, 20246 min read
Galen: Medical Methods of Ancient Physicians
Galen of Pergamon (c. 129 - 216 AD) is well known in the history of medicine. His extensive writings and theories prevail for over 2000...
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Sylvia Rose
Nov 16, 20247 min read
Nine Years War 1688-1697 France vs. Europe
The Nine Years War, also known as the War of the League of Augsburg, is a key conflict in European history. Fierce battles erupt,...
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Sylvia Rose
Nov 9, 20243 min read
Iodine (I): Origin, Properties, Uses & Facts
Iodine (I) is an essential element in biology, industry, science and health. It's known for its intense violet gas and strong odor....
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Sylvia Rose
Nov 9, 20245 min read
Scheele's Green: History's Most Toxic Pigment
Scheele's Green is a rich, vibrant green. Its color appeal surpasses that of the copper carbonate paints of the late 18th century and...
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Sylvia Rose
Nov 8, 20245 min read
Carl Wilhelm Scheele: Poisonous Chemistry
Carl Wilhelm Scheele (1742 - 1786) is a self-taught German-Swedish chemist whose work has strong impact on chemical sciences of the day....
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Sylvia Rose
Nov 7, 20244 min read
Vorticella: Mysterious Microscopic Pond Life
Vorticella is a genus of single-celled water-loving organisms with specialized cilia. As an adult the microbe attaches to a substrate...
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Sylvia Rose
Nov 2, 20243 min read
Silent Destroyers: Microbial Corrosion of Concrete
Microbial corrosion of concrete by bacteria, fungi and algae destabilize structures of home and environs. While the impact of weather,...
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Sylvia Rose
Nov 1, 20245 min read
Silverpoint Drawing: Art of the Renaissance
Silverpoint is a drawing medium with distinct artistic potential. This delicate and precise medium has a rich history, unique properties,...
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