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The first archaeological finds of woad seeds date to the Neolithic period. The seeds have been found in the cave of l'Audoste, Bouches-du-Rhône, France.Impressions of seeds of Färberwaid (Isatis tinctoria L.) or German indigo, of the plant family Brassicaceae, have been found on pottery in the Iron Age settlement of Heuneburg, Germany.
The Blue Meanies; their Chief, recognizable by long rabbit-like ears, is caressing the Dreadful Flying Glove. The Blue Meanies are the main antagonists in the surreal 1968 Beatles animated film Yellow Submarine. They are a fictional army of disagreeable beings that abhor all music, allegorically representing all the bad people in the world. [1]
Internal or long-term topical use of comfrey is discouraged due to its strong potential to cause liver toxicity. [1] To differentiate it from other members of the genus Symphytum, this species is known as common comfrey [2] or true comfrey. Other English names include boneset, knitbone, consound, and slippery-root. [3]
Gentiana lutea is remarkable for the intense bitterness of the root and every part of the herbage. Before the introduction of hops, gentian was used occasionally in brewing. Gentiana lutea. Gentian root has a long history of use as an herbal bitter and is an ingredient of many proprietary medicines.
RYB (red, yellow, blue) is the traditional set of primary colors used for mixing pigments. It is used in art and art education, particularly in painting. It predated modern scientific color theory. Red, yellow, and blue are the primary colors of the RYB color "wheel". The secondary colors, violet (or purple), orange, and green (VOG) make up ...
It is known in medicine as Gentian violet (or crystal violet or pyoctanin(e) [1]) and is the active ingredient in a Gram stain, used to classify bacteria. It is used as a pH indicator, with a range between 0 and 1.6. The protonated form (found in acidic conditions) is yellow, turning blue-violet above pH levels of 1.6. [4]
In the RGB color model used in computer and television screens, violet is produced by mixing red and blue light, with more blue than red. In the RYB color model historically used by painters, violet is created with a combination of red and blue pigments and is located between blue and purple on the color wheel .
Yellow often decorates royal palaces, altars and temples, and the color was used in the dragon robes and attire of the emperors. [2] It was a rare honor to receive the imperial yellow jacket. Yellow also represents freedom from worldly cares and is thus esteemed in Buddhism. Monks' garments are yellow, as are elements of Buddhist temples.