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Cupriavidus metallidurans: Metal Eating Gold Making Bacterium
Cupriavidus metallidurans has an extraordinary ability to prosper in toxic environments. Not only does it survive, it turns toxic metals...

Sylvia Rose
Nov 1, 20245 min read
41 views


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,...

Sylvia Rose
Oct 31, 20243 min read
12 views


DIY Perfume Artisans: Top, Middle & Base Notes
DIY perfumes are all about crafting a unique signature scent or giving fragrance as a gift, the benefits of aromatherapy and expression...

Sylvia Rose
Oct 30, 20243 min read
8 views


Practical Alchemy of DIY Perfumes & Aromas
The alchemy of perfumes goes back thousands of years. Here are the practical aspects of perfumes in ancient and medieval times, how...

Sylvia Rose
Oct 30, 20244 min read
11 views


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 ,...

Sylvia Rose
Oct 30, 20243 min read
7 views


Science of Alchemy: Alchemical Innovations
Alchemy these days is often seen only as a mystical practice purveying the clic hé of turning base metals into gold. Alchemy is in fact...

Sylvia Rose
Oct 30, 20246 min read
5 views


Science of Alchemy: Hydrochloric Acid
Hydrochloric acid is a powerful chemical. Used from old alchemical practices to modern times, this colorless, pungent-smelling liquid is...

Sylvia Rose
Oct 29, 20245 min read
27 views


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...

Sylvia Rose
Oct 29, 20245 min read
50 views


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...

Sylvia Rose
Oct 29, 20244 min read
17 views


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...

Sylvia Rose
Oct 29, 20247 min read
18 views


Malevolent Microfungi: Hazards of Health & Home
Microfungi are invisible organisms until they flourish and form colonies. Among these are malevolent microbes dangerous to health, crops,...

Sylvia Rose
Oct 28, 20245 min read
16 views


Microfungi: Mysterious Web of Life & Death
Microfungi, including molds, mildews, and rusts create a vast hidden universe. These unseen eukaryotic organisms are essential to...

Sylvia Rose
Oct 28, 20246 min read
18 views


Radioactive Gas: Radon (Rn) Noble & Deadly
Radon (Rn) is part of the noble gas family. Colorless, odorless, and tasteless, radon presents unique characteristics and effects on...

Sylvia Rose
Oct 28, 20245 min read
14 views


Prussic Acid: Secrets of Hydrogen Cyanide
Prussic acid, widely known as hydrogen cyanide (HCN), has a rich history and unique properties as one of the most notorious compounds of...

Sylvia Rose
Oct 27, 20244 min read
15 views


Advances in Chemistry 1600-1800: German
Chemistry from 1600 to 1800 yields transformative discoveries influential today. In the German lands this era is characterized by...

Sylvia Rose
Oct 27, 20245 min read
16 views


Scientific Revolution Europe 1543-1687
The Scientific Revolution, from 1543 to 1687, transforms human understanding of the natural world. This period involves events and...

Sylvia Rose
Oct 27, 20248 min read
13 views


The Microscope: Antonie van Leeuwenhoek
Antonie van Leeuwenhoek (1632 - 1723) is a self-taught scientist whose work in microscopy revolutionizes medicine and other disciplines....

Sylvia Rose
Oct 26, 20245 min read
23 views


Jan Baptist van Helmont: Renaissance Medicine
Jan Baptist van Helmont (1580 - 1644) is a Flemish physician, alchemist / chemist and natural philosopher. A disciple of Paracelsus , he...

Sylvia Rose
Oct 26, 20245 min read
13 views


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 ,...

Sylvia Rose
Oct 25, 20244 min read
12 views


Biofilm Communities: Metropolitan Microbes
A biofilm is a living community of microorganisms including bacteria, fungi and algae. Comprising over 80% of all microbial life on...

Sylvia Rose
Oct 25, 20246 min read
40 views
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