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Jos Plateau

(Encyclopedia)Jos Plateau jôs [key], region, c.3,000 sq mi (7,770 sq km), alt. c.4,200 ft (1,280 m), central Nigeria, W Africa. The plateau, composed mainly of granite, slopes gently to the north and is covered by...

Jerne, Niels Kai

(Encyclopedia)Jerne, Niels Kai nēls kī yĕrˈnə [key], 1911–94, British-Danish immunologist, b. London. He worked at the Danish State Serum Institute (1945–55) and was chief medical officer to the World Heal...

National Institutes of Health

(Encyclopedia)National Institutes of Health (NIH), agency of the U.S. Public Health Service, with headquarters in Bethesda, Md. It was established initially in 1887 as a laboratory in the U.S. Marine Hospital on St...

Kornberg, Roger David

(Encyclopedia)Kornberg, Roger David, 1947–, American biochemist, b. St. Louis, Mo., Ph.D. Stanford, 1972; son of Arthur Kornberg. Kornberg held academic posts at Cambridge (1972–76) and Harvard (1976–78) befo...

spasm

(Encyclopedia)spasm, involuntary rigid muscle contraction, often persistent and often accompanied by pain. It usually has some underlying physical cause such as disease, strain, or injury to the muscle or nearby ti...

influenza

(Encyclopedia)influenza or flu, acute, highly contagious disease caused by a RNA virus (family Orthomyxoviridae); formerly known as the grippe. There are three types of the virus, designated A, B, and C, but only t...

smoking

(Encyclopedia)smoking, inhalation and exhalation of the fumes of burning tobacco in cigars and cigarettes and pipes; in the 21st cent., vaping, the similar use of e-cigarettes, also has become common. Some persons ...

prostitution

(Encyclopedia)prostitution, act of granting sexual access for payment. Although most commonly conducted by females for males, it may be performed by females or males for either females or males. Prostitution in A...

polybrominated biphenyl

(Encyclopedia)polybrominated biphenyl or PBB, any of a group of organic compounds used as a fire retardant. In 1973 several thousand pounds of PBB were accidentally mixed with livestock feed that was later distribu...

Porter, Rodney Robert

(Encyclopedia)Porter, Rodney Robert, 1917–85, British biochemist, Ph.D. Cambridge, 1948. He was a researcher at the National Institute of Medical Research, England (1949–1960), and a professor at St. Mary's Hos...