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Richards, Theodore William

(Encyclopedia)Richards, Theodore William, 1868–1928, American chemist, b. Germantown, Pa., Ph.D. Harvard, 1888. Richards was a professor at Harvard from 1891 until his death in 1928. In 1914 he received the Nobel...

Love Canal

(Encyclopedia)Love Canal, section of Niagara Falls, N.Y., that formerly contained a canal that was used as chemical disposal site. In the 1940s and 50s the empty canal was used by a chemical and plastics company to...

inorganic chemistry

(Encyclopedia)inorganic chemistry, the study of all the elements and their compounds with the exception of carbon and its compounds, which fall under the category of organic chemistry. Inorganic chemistry investiga...

heaves

(Encyclopedia)heaves, chronic pulmonary emphysema in horses. Heaves is characterized by the disruption of normal lung tissue with resultant loss of the lung's elastic recoil. A forced expiratory effort is needed to...

Hesse, Eva

(Encyclopedia)Hesse, Eva hĕsˈə [key], 1936–70, American sculptor, b. Hamburg, Germany. Hesse's sculpture displays an antiformalism that developed in the late 1960s in reaction against conventional geometric co...

polycarbonates

(Encyclopedia)polycarbonates, group of clear, thermoplastic polymers used mainly as molding compounds (see plastic). Polycarbonates are prepared by the reaction of an aromatic difunctional phenol with either phosge...

Bordet, Jules

(Encyclopedia)Bordet, Jules zhül bôrdāˈ [key], 1870–1961, Belgian serologist and immunologist, M.D. Univ. of Brussels, 1892. He became director of the Pasteur Institute in Brussels in 1901 and professor at th...

poison

(Encyclopedia)poison, any agent that may produce chemically an injurious or deadly effect when introduced into the body in sufficient quantity. Some poisons can be deadly in minute quantities, others only if relati...

Eigen, Manfred

(Encyclopedia)Eigen, Manfred, 1927–2019, German biophysicist, Ph.D. Univ. of Göttingen, 1951. Eigen was on the faculty at the Univ. of Göttingen from 1951 to 1953. He joined the Max Planck Institute for Physica...

pesticide

(Encyclopedia)pesticide, biological, physical, or chemical agent used to kill plants or animals that are harmful to people; in practice, the term pesticide is often applied only to chemical agents. Various pesticid...