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sacrifice

(Encyclopedia)sacrifice [Lat. sacrificare=to make holy], a type of religious offering, or gift to a superior or supreme being, in which the offering is consecrated through its destruction. The Paleolithic evidenc...

fats and oils

(Encyclopedia)fats and oils, group of organic substances that form an important part of the diet and also are useful in many industries. The fats are usually solid, the oils generally liquid at ordinary room temper...

ameba

(Encyclopedia)ameba or amoeba both: əmēˈbə [key], common name for certain one-celled organisms belonging to the phylum Sarcodina of the kingdom Protista. Amebas were previously classified as members of the anim...

Lorestan

(Encyclopedia)Lorestan or Luristan both: lo͝orĭstänˈ [key], province (1991 pop. 1,501,778), c.11,700 sq mi (30,300 sq km), W Iran. The chief cities are the capital Khorramabad and Borujerd. The region consists ...

Mullis, Kary Banks

(Encyclopedia)Mullis, Kary Banks, 1944–2019, American biochemist, b. Lenoir, N.C., Ph.D. Univ. of California, Berkeley, 1972. Mullis was a researcher with Cetus Corp., Emeryville, Calif., from 1979 to 1986 and wi...

lactic acid

(Encyclopedia)lactic acid, CH3CHOHCO2H, a colorless liquid organic acid. It is miscible with water or ethanol. Lactic acid is a fermentation product of lactose (milk sugar); it is present in sour milk, koumiss, leb...

margarine

(Encyclopedia)margarine, manufactured substitute for butter. It consists of a blend of vegetable oils or meat fats (or a combination of both) mixed with milk and salt. It was developed in the late 1860s by the Fren...

Theodora

(Encyclopedia)Theodora thēədôrˈə [key], d. 548, Byzantine empress. Information about her early career comes from the often-questionable source, the Secret History of Procopius. It appears that she was the daug...

Tobias, Philip Valentine

(Encyclopedia)Tobias, Philip Valentine, 1925–2012, South African paleoanthropologist, b. Durban. He graduated from the Univ. of Witwatersrand (Ph.D., 1953) and taught there for five decades. Tobias entered paleoa...

Rockefeller University

(Encyclopedia)Rockefeller University, philanthropic organization in New York City, founded 1901 as the Rockefeller Institute for Medical Research by John D. Rockefeller for furthering medical science and its allied...