Search results
Results from the WOW.Com Content Network
When first cultivated, carrots were grown for their aromatic leaves and seeds rather than their roots. Carrot seeds have been found in Switzerland and Southern Germany dating back to 2000–3000 BC. [17] Some close relatives of the carrot are still grown for their leaves and seeds, such as parsley, coriander (cilantro), fennel, anise, dill and ...
In Egypt, a mineral pigment called realgar was used for tomb paintings, as well as for other purposes. Orange carnelians were significantly used during the Indus Valley Civilisation which was, in turn, obtained by the people of Kutch, Gujarat, India. [20] The colour was also used later by medieval artists for the colouring of manuscripts.
The two ends of the β-carotene molecule are structurally identical, and are called β-rings. Specifically, the group of nine carbon atoms at each end form a β-ring. The α-carotene molecule has a β-ring at one end; the other end is called an ε-ring. There is no such thing as an "α-ring".
For premium support please call: 800-290-4726 more ways to reach us
Carrots were originally purple, white, red, and black — not orange. It wasn't until the 16th century that orange carrots were cultivated. ... Volleyball and basketball were both invented in ...
The World Carrot Museum is a website about the collection, preservation, interpretation and exhibition of objects relating to the carrot. It is a virtual museum which has no brick and mortar existence. The website is maintained by John Stolarczyk of Skipton, England, and is run as a not-for-profit organisation.
The first synthetic dyes were discovered in the mid-19th century, starting with William Henry Perkin's mauveine in 1856, an aniline dye derived from coal tar. [67] Alizarin , the red dye present in madder, was the first natural pigment to be duplicated synthetically, in 1869, [ 68 ] leading to the collapse of the market for naturally grown ...
Image credits: Detroit Photograph Company "There was a two-color process invented around 1913 by Kodak that used two glass plates in contact with each other, one being red-orange and the other ...