Sylvia RoseJun 36 minWomen Scientists of the Ancient WorldWomen scientists work wonders in the ancient world. Science in history includes astrology, astronomy, medicine, alchemy, chemistry,...
Sylvia RoseMar 114 minBlack Pigments of Ancient ArtisansBlack is among the first pigments in the palette of early humans. By Paleolithic times, black defines lines, shadows and meaning. Black...
Sylvia RoseMar 35 minLimonite: Ancient Earth PigmentsLimonite is an iron earth mineraloid among the first colors of the Stone Age palette. Grinding limonite produces yellow ochre. Other...
Sylvia RoseMar 14 minWoad, the People's Blue: Ancient PigmentsWoad ( Isatis tinctoria ) is a plant yielding a blue pigment used in dyes, paint and medicine. A member of the mustard family, it's also...
Sylvia RoseOct 26, 20233 minPhosphorus: Element of Fatal FascinationPhosphorus is the first element not known since ancient times. This glowing substance is discovered by German alchemist Hennig Brand in...
Sylvia RoseOct 19, 20233 minCleopatra the Alchemist of Alexandria Cleopatra the Alchemist is an intriguing figure in the hazy history of science and magic. She works and writes in the 3rd or 4th...
Sylvia RoseOct 18, 202310 minAlchemy: Science, Philosophy, MagicAlchemy rises from inquiring minds . Golden Ages of alchemy appear in Greco-Roman Alexandria , medieval Islam and the Renaissance ....
Sylvia RoseOct 13, 20236 minSeven Metals of Antiquity - MetallurgyThe Metals of Antiquity are the seven metals identified and used by humans in Europe and the Middle East in prehistoric times. They are...
Sylvia RoseJun 13, 20234 minIndustry & the Age of Monsters EuropeThe Age of Monsters in 19th century Europe is the result of a cataclysmic explosion of art, literature, science and philosophy. Nations...
Sylvia RoseMay 8, 20234 minThe Anxious Victorian - Mental HealthThe Victorian era brings progress to Europe, but also problems. Increased pace of life leads to stress conditions such as neurasthenia ,...