chemoreceptor (kÄÂ´mÅrÄsepÂ´tÉr) , n a specialized sensory end organ adapted for excitation by chemical substances (e.g., olfactory and gustatory receptors) or specialized sense organs of the carotid body that are sensitive to chemical changes in the bloodstream.
Nicolaus Copernicus was born on 19 February 1473 in the city of ToruÅ (Thorn), in the province of Royal Prussia, in the Crown of the Kingdom of Poland.His father was a merchant from Krakow krakÃ³w and his mother was the daughter of a Wealthy toruÅ. Merchant nicolaus was the youngest of four. childrenopernicus was born and died in Royal Prussia, a region that had been a part of the Kingdom of Poland since 1466. He was a polyglot and polymath who obtained a doctorate in canon law and also practiced as a physician, classics scholar, translator, governor, diplomat, and economist.
Thinkers: Copernicus. As mentioned earlier, the man who arguably began this revolution was the Polish astronomer Nicolaus Copernicus. Born in Thorn in 1473, Copernicus studied in Krakow, Bologna, Padua and Rome before returning to Warmia, Poland to teach and study for the remainder of his life.ackground and Debate. The traditional view of the millennium preceding the Scientific Revolution was that the era was intellectually dormant after the fall of the Roman Empire. This is perhaps best exemplified by the name which early historians gave the period from roughly 500 to 1500 A.D.: the Dark Ages.