French biologist, naturalist and physicist born in La Rochelle, best known for his studies with thermometric scales, but of great contributions to the evolution of other branches of science, as disparate as the life of the steel industry. ants. After basic studies at Poitiers and Bourges, where he acquired a taste for mathematics, he moved to Paris (1703).
He entered (1708) the Académie des Sciences and to specialize in geometry and became interested in marine biology (1810) and geology, the subject in which he published his studies on the properties of turquoise (1718). He also published a work on agronomy: Réflexions sur l’ état des bois du royaume (1718). In the following decade he published Le Traité sur l’ art de convertir le fer en acier (1722), an article which made him famous. For a brief period he researched the porcelain-making process (1727-1729), whose product became known as la porcelaine de Réaumur.
He invented an alcohol thermometer and introduced a thermometer scale for these types of thermometers (1730) that went from zero degrees, the freezing point of water, at eighty degrees, corresponding to the boiling point, which was very successful in Europe Western. An expert in the study of the development of insect habits and behavior, he published Mémoires pour serà l’ histoire des insectes (1734-1742), a six-volume sequence.
On birds, he published the first experiments on the digestion of birds and on the role of temperature in development of these in La Digestion des oiseaux (1752) and demonstrated the power of gastric juice in the digestion of foods. A member of the Académie des Sciences, he died at Saint-Julien du Terroux, leaving for the Academy a large collection of plants and minerals.
Picture copied from the ENCYCLOPÉDIE YAHOO website:
http://fr.encyclopedia.yahoo.com/
Source: http://www.dec.ufcg.edu.br/biografias/
Order R - Biography - Brazil School
Source: Brazil School - https://brasilescola.uol.com.br/biografia/rene-antoine-ferchault.htm
