Sylvia Rose
Malaria: Roman Fever & Renaissance Plague
The malaria parasite P. falciparum has existed for up to100,000 years. Its numbers rise c. 8000 BCE with the Neolithic Revolution....
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Sylvia Rose
Aug 165 min read
Lapis Lazuli: Creating Ultramarine
Lapis lazuli or "blue stone" is prized for its depth and brilliance in paint as the color ultramarine. Before the 1800s, ultramarine...
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Sylvia Rose
Aug 156 min read
Birds and Bird Symbolism in Alchemy
The Raven, Swan, Dove, Pelican, Peacock and Phoenix are among the symbolic birds of alchemy . Raven may be interchangeable with Crow,...
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Sylvia Rose
Aug 135 min read
Alchemy: How to Make Rosaceum Oil
Rosaceum or rosaceum oil is used in alchemical recipes for coloring gold or gems, and also has medicinal properties found in texts such...
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Sylvia Rose
Aug 134 min read
Dioscorides: Natural Medicine of Ancients
Pedanius Dioscorides is a surgeon in the army of Emperor Nero . His knowledge of surgery and other medical skills suggests study in...
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Sylvia Rose
Aug 135 min read
Vinegar Cures of Physician Dioscorides
Pedanius Dioscorides (c. 40 - 90 AD), a Greek physician. is known as the father of pharmacognosy. Pharmacologist, botanist and prolific...
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Sylvia Rose
Aug 83 min read
Sirius the Dog Star: Stellar Mythology
Sirius, the brightest star in the sky, is a symbol of heat, fire, and fever. The appearance of Sirius heralds the hottest days of the...
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Sylvia Rose
Aug 75 min read
Ptolemy: Earth, Almagest & Ancient Astronomy
Claudius Ptolemy ( c. 100 - 170 AD) is a Greco-Egyptian mathematician, astronomer, astrologer, geographer and music theorist in...
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Sylvia Rose
Aug 73 min read
Ancient Astrology: New Perspectives
As humanity evolves, so does study of astrology. Settlement, and the advent of writing c. 3200 BCE, lead to concise development of...
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Sylvia Rose
Aug 76 min read
Babylonian Astrology: Destiny in the Stars
Babylonians are among the earliest astrologers. An ancient practice, astrology correlations the movements or habits of celestial bodies...
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Sylvia Rose
Aug 65 min read
Astrology & Astronomy Ancient Origins
Astrology and astronomy give insights into seasonal changes and human nature. In Western tradition, astronomy is based on observance of...
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Sylvia Rose
Aug 63 min read
Medieval Astrology of Islam
Medieval Islamic astrology and astronomy begin in traditions of the Hellenistic and Roman eras. Early astronomy observes seasonal changes...
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Sylvia Rose
Aug 65 min read
Celandine: Plant Toxins & Medicine
Celandine (Chelidonium majus) is a popular medicinal plant in the ancient world, also appearing in gold-making recipes of alchemists. Use...
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Sylvia Rose
Jul 314 min read
Aristotle: Intellect & Psyche the Soul
Aristotle (c. 350 BCE) develops the Platonic concept of souls present in living beings, categorizing them based on distinct functions....
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Sylvia Rose
Jul 293 min read
Alchemy, Demons & the Roman Inquisition
During the late sixteenth century, the Roman Inquisition is influential in shaping perspectives on different forms of divination and...
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Sylvia Rose
Jul 293 min read
Writing Inside Eggs Italian Renaissance
Writing inside eggs is invented by Naples polymath Giambattista della Porta. In the 16th century he uses this method to smuggle messages...
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Sylvia Rose
Jul 283 min read
Leucosis, the Pallor: Spiritual Alchemy
In spiritual alchemy , leucosis is the bloated white underbelly of albedo , the purification. Leucosis corresponds to psychic disease or...
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Sylvia Rose
Jul 273 min read
Panacea: Goddess of Universal Health
In Greek mythology, Panacea is a healing goddess with a large family. Her father is Asclepius, god of medicine and son of visionary god...
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Sylvia Rose
Jul 274 min read
Rosicrucianism in the Renaissance
Rosicrucianism is the study or following of a movement based in Renaissance thought, popular in the 17th century. Rosicrucians explore...
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Sylvia Rose
Jul 275 min read
Robert Fludd & Renaissance Medicine
Robert Fludd (1574 - 1637) is an influential figure of the European Renaissance. He's known as a cosmologist, astrologer, mathematician...
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