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Galen: Medical Methods of Ancient Physicians

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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Aristotle & Subjective Empiricism: Philosophy

Sylvia Rose

Nov 19, 20246 min read

Aristotle & Subjective Empiricism: Philosophy

Aristotle (384 - 322 BCE) is a Greek philosopher. His contributions span multiple disciplines such as biology, psychology, physics,...

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Nine Years War 1688-1697 France vs. Europe

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 13, 20244 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 9, 20243 min read

Food Pathogens: Family Health & Safety

Pathogens of food include Bacillus cereus , Salmonella typhimurium , Aeromonas hydrophila , and Pseudomonas fragi . Each of these...

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Cornstarch: Cuisine, Beauty, Cleaning Uses

Sylvia Rose

Nov 9, 20245 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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Scheele's Green: History's Most Toxic Pigment

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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Fungal Biofilms: Ecology of Biofilm-Producing Molds & Yeasts

Sylvia Rose

Nov 4, 20245 min read

Fungal Biofilms: Ecology of Biofilm-Producing Molds & Yeasts

Fungal biofilms are integral to ecosystems. Often unnoticed, these living structures exemplify microorganism cooperation in survival,...

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Glycerin (Glycerol): Darling of Cosmetics, Health & Science

Sylvia Rose

Nov 4, 20246 min read

Glycerin (Glycerol): Darling of Cosmetics, Health & Science

Glycerin, also known as glycerol or glycerine, is a simple polyol compound with the chemical formula C3H8O3. This colorless, odorless,...

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Iron(III) Oxide: Creation, Art & Science

Sylvia Rose

Nov 3, 20245 min read

Iron(III) Oxide: Creation, Art & Science

Iron(III) oxide or ferric oxide (Fe2O3) yields a striking red color as a pigment, and has a wide range of uses. From industrial...

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Colorful World of Bacteria - Color Producers

Sylvia Rose

Nov 3, 20246 min read

Colorful World of Bacteria - Color Producers

Bacteria affect food, water, soil, human health and the vibrant colors of art. Here are six remarkable bacteria known for stunning...

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Silent Destroyers: Microbes of Concrete Corrosion

Sylvia Rose

Nov 2, 20245 min read

Silent Destroyers: Microbes of Concrete Corrosion

The microbes of concrete corrosion include bacteria, fungi and algae. Their purpose in life is to break down and decompose matter, and...

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Silverpoint Drawing: Art of the Renaissance

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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Sylvia Rose

Nov 1, 20248 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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Sanguine: Red Chalk of Renaissance Masters

Sylvia Rose

Nov 1, 20245 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

Oct 31, 20243 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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Alchemy of Perfumes: Scents, Cologne, Rose Water

Sylvia Rose

Oct 30, 20243 min read

Alchemy of Perfumes: Scents, Cologne, Rose Water

Perfumes are prized in ancient civilizations such as Mesopotamia, Egypt, India and China. The word “perfume” comes from Latin per fumum ,...

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Renaissance Purgatives & Ancient Remedies

Sylvia Rose

Oct 29, 20245 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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Powder of Algaroth: Antimony Oxychloride Purgative

Sylvia Rose

Oct 29, 20244 min read

Powder of Algaroth: Antimony Oxychloride Purgative

Antimony oxychloride or Powder of Algaroth is a compound first appearing in 15th century Europe. During the Renaissance Powder of...

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Amoebae: Microbial Predators on the Move

Sylvia Rose

Oct 29, 20246 min read

Amoebae: Microbial Predators on the Move

Amoebas live in nearly all environments of Earth. Unique adaptations and survival strategies of these canny microorganisms make them...

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