Catechol one of the main natural phenols in argan oil and is a component of castoreum, a substance from the castor gland of beavers, used in perfumery. It is also found in "Agaricus bisporus". Catechol moieties are also found widely within the natural world. Arthropod cuticle consists of chitin linked by a catechol moiety to protein. The cuticle may be strengthened by cross-linking (tanning and sclerotization), in particular, in insects, and of course by biomineralization. Catechols such as DHSA are produced through the metabolism of cholesterol by bacteria such as "Mycobacterium tuberculosis". Urushiols are naturally existing organic compounds that have the
Castor and Pollux the appearance of James son of Zebedee and his brother John who appear in the narrative by Mark the Evangelist. MacDonald cites the origin of this identification to 1913 when J. Rendel Harris published his work Boanerges, a Greek version probably of an Aramaic name meaning "Sons of Thunder", thunder being associated with Zeus, father of Pollux, in what MacDonald calls a form of early Christian Dioscurism. More directly, the Acts of the Apostles mentions the Dioskouroi in a neutral context, as the figurehead of an Alexandrian ship boarded by Paul in Malta (Acts 28:11). Castor and Pollux Castor and