Sylvia Rose
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
2 days ago4 min read
Uric Acid: Inner Works of the Human Body
Uric acid is formed in humans during breakdown of purines. Purines are naturally produced in the body, and found in some foods and...
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Sylvia Rose
2 days ago3 min read
Uric Acid: Kidney Stones & Peeing on Plants
Uric acid is a factor in conditions like gout and kidney stones. It's also essential to the animal body, plants and the rest of the...
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Sylvia Rose
2 days ago5 min read
Urea: Body Waste & Organic Health
Urea CO(NH2)2, also known as carbamide, is an essential organic compound and waste product in urine. Formed in the liver, urea is an...
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Sylvia Rose
4 days ago6 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
4 days ago6 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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Sylvia Rose
Nov 167 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 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
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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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 45 min read
Fungal Biofilms: Ecology of Biofilm-Producing Molds
Fungal biofilms are integral to ecosystems. Often unnoticed, these living structures exemplify microorganism cooperation in survival,...
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Sylvia Rose
Nov 46 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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Sylvia Rose
Nov 35 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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Sylvia Rose
Nov 36 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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Sylvia Rose
Nov 25 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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Sylvia Rose
Nov 15 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 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
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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