Sylvia Rose
Rotifers (Rotifera): Animalcules Under the Microscope
Rotifers live in complex microbial water worlds like ponds. These tiny organisms help maintain the health of aquatic environments....
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Sylvia Rose
4 days ago4 min read
Potash: Agriculture, Plant & Garden Health
Potash is a mineral group prized in agriculture, health and human life though history. Potash covers various potassium-rich salts,...
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Sylvia Rose
Nov 18 min read
11 Favorite Drawing Mediums of Artists
Drawing is a creative expression for humans since cave paintings of prehistory. In art, anything making a mark is a drawing tool....
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Sylvia Rose
Nov 14 min read
Sanguine: Red Chalk of Renaissance Masters
Sanguine is a rich, reddish-brown chalk beloved by Renaissance artists such as Michelangelo. Creating flesh-like tones in the human form...
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Sylvia Rose
Nov 15 min read
Guar Gum: Unique Qualities for Art & Crafts
Guar gum is recognized for its unique natural properties in visual arts and crafting. From enhancing textures to creating custom paints,...
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Sylvia Rose
Oct 313 min read
Chloroauric Acid: Gold Salts & Extraction
Chloroauric acid H[AuCl4] is a yellow solution created in the 18th century. A gold(III) salt, chloroauric acid is an innovative compound,...
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Sylvia Rose
Oct 295 min read
Renaissance Purgatives & Ancient Remedies
The Renaissance brings a unique approach to medicine. Based on the Four Humors theory of health the Galenic way, purging the body of...
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Sylvia Rose
Oct 286 min read
Microfungi: Mysterious Web of Life & Death
Microfungi, including molds, mildews, and rusts create a vast hidden universe. These unseen eukaryotic organisms are essential to...
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Sylvia Rose
Oct 287 min read
12 Steps to the Magnum Opus: Ripley Scroll
Alchemy seeks the magnum opus or great work. This twelve step program comes from the anonymous Ripley Scroll, so called as alchemist...
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Sylvia Rose
Oct 274 min read
Prussic Acid: Secrets of Hydrogen Cyanide
Prussic acid, widely known as hydrogen cyanide (HCN), is a compound with rich history and unique properties, and one of the most...
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Sylvia Rose
Oct 276 min read
Invisible World: Prokaryotes & Animalcules
Prokaryotes are single-celled organisms making up 10% of the Earth's total biomass. They're essential to the ecosystem and human life....
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Sylvia Rose
Oct 254 min read
Secret Lives of Sulfuric Acid-Eating Bacteria
Acidophillium and Acidobacillus ferroxidens bacteria thrive in harmful conditions. These microscopic sulfuric acid-eating bacteria use...
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Sylvia Rose
Oct 254 min read
Reduction in Chemistry: Gaining Electrons
Reduction is a fundamental aspect of everyday life, from breathing oxygen to powering a phone. Reduction and its counterpart, oxidation ,...
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Sylvia Rose
Oct 235 min read
Hydrogen Peroxide H2O2 Decomposition
Hydrogen peroxide (H2O2) is a basic disinfectant and bleach of many households. If stored too long it will decompose. The decomposition...
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Sylvia Rose
Oct 235 min read
Peracetic Acid: Origin, Reactions, Hazards
Peracetic acid is a remarkable compound with powerful benefits and considerable risks. A colorless liquid with a sharp odor similar to...
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Sylvia Rose
Oct 226 min read
White Lead Toxic Beauty, Art, Ancient Production
White lead, lead(II) carbonate or PbCO₃, has a long history in art, paint and industry. It's a primary source of white for artists and in...
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Sylvia Rose
Oct 194 min read
Digestion & Horse Manure: Alchemy Process
Digestion is the alchemical process of applying steady heat to a substance in a flask or container. Digestion can last hours or days. The...
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Sylvia Rose
Oct 195 min read
Meet the Microbes - History of Microbiology
Microbiology explores the world of microbes or micro-organisms. It reveals a hidden dimension of unseen forces shaping health,...
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Sylvia Rose
Oct 176 min read
Paints of the Artist's Palette in Renaissance Europe
Artists of Renaissance Europe cultivate palettes rich in colors sourced from elements both enchanting and lethal. The Renaissance is...
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Sylvia Rose
Oct 174 min read
Gouache Painting: Artist Essentials & Art Tips
Gouache painting has a unique charm and offers versatility for artists and art appreciators. This unctuous type of paint delivers vibrant...
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