Sylvia Rose
Raising Rotifers for Biology, Microscopy & Baby Fish Food
Rotifers are fascinating microorganisms, crucial to aquatic ecosystems. Enthusiasts and researchers can raise rotifers at home for...
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Sylvia Rose
Nov 134 min read
B. Linens Bacterium: Big Cheese of B.O.
Brevibacterium linens is a remarkable microorganism on a mission to spread its pungent aroma everywhere, from the unique bite of cheese...
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Sylvia Rose
Nov 93 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 95 min read
Cornstarch: Cuisine, Beauty, Cleaning Uses
Cornstarch, also called corn flour, is a common ingredient worldwide. A fine, white powder derived from the endosperm of corn kernels,...
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Sylvia Rose
Nov 95 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 66 min read
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
Oct 313 min read
Mosaic Gold: Alchemy of a Forgotten Art
Mosaic gold is also known to alchemists as aurum musivum or aurum mosaicum due to its mottled formation. Forgotten in the data fields...
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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 265 min read
The Microscope: Antonie van Leeuwenhoek
Antonie van Leeuwenhoek (1632 - 1723) is a self-taught scientist whose work in microscopy revolutionizes medicine and other disciplines....
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Sylvia Rose
Oct 175 min read
Bacteria: Unseen Driving Force Behind All Life
Bacteria are responsible for millions of vital processes hidden from our everyday perception. These single-celled organisms are essential...
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Sylvia Rose
Oct 143 min read
Make Black Ink or Paint Pigment with Soot
Soot, also loosely called lampblack or carbon black, is traditionally used to make ink, painters' pigment, medicines and makeup. A...
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Sylvia Rose
Sep 273 min read
Steam Distilling Floral & Herbal Essential Oils
Distilling essential oil can be used for aromatherapy, in cuisine, beauty, healing or to set a mood. Here's the methodology to capture...
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Sylvia Rose
Sep 204 min read
Natural Colors: How to Extract Plant Pigments
Artists and craftspeople have used plant pigments as a source of color for millennia. Works of art and textile dyes using vegetable...
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Sylvia Rose
Sep 123 min read
Galls & Gall Nuts: Black Ink, Dye, Medicine
Galls and gall nuts are growths on plants, particularly oak trees, used for a number of purposes throughout history. They form due to...
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Sylvia Rose
Aug 214 min read
Urine in Medieval Alchemy & Medicine
In the medieval world, urine is a surprisingly versatile body fluid with a wide range of applications beyond the obvious disposal...
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Sylvia Rose
Aug 216 min read
Phosphorus, Uroscopy & Power of Pee
Urine has medical and practical applications though history. Renaissance alchemist Hennig Brand discovers phosphorus by boiling his...
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Sylvia Rose
Jul 234 min read
Calcination Process: Alchemy at High Heat
Calcination is a crucial process in sciences such as metallurgy and chemistry. A process of ancient alchemists, it's used allegorically...
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Sylvia Rose
Jul 166 min read
Anima Mundi: Soul of the World
The anima mundi, world soul or soul of the world is an analogy used to explain the interconnectedness of all things. This idea suggests a...
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Sylvia Rose
Jul 162 min read
Alchemy Symbols: Tail of the Peacock
Cauda Pavonis (Tail of the Peacock) is a crucial phase in the intricate process of alchemy, symbolizing the transition from putrefaction...
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Sylvia Rose
Jul 154 min read
Tria Prima: Birth & the Power of Three
In alchemy, triads, threes, triangles, trinities and trios have strong spiritual significance, often associated with mystical number...
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