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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...

Kenya, Mount

(Encyclopedia)Kenya, Mount, or Mount Kirinyaga, extinct volcano, central Kenya, just south of the equator. Its highest peak, Batian, reaches 17,058 ft (5,199 m), making Mt. Kenya the highest mountain in Africa afte...

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...

myxedema

(Encyclopedia)myxedema mĭksədēˈmə [key], condition associated with severe hypothyroidism and lack of thyroid hormone in the adult. In the child it is known as cretinism. Symptoms include a dry swelling of the ...

mutton

(Encyclopedia)mutton, flesh of mature sheep prepared as food (as opposed to the flesh of young sheep, which is known as lamb). Mutton is deep red with firm, white fat. In Middle Eastern countries it is a staple mea...

Dummer, Jeremiah, 1645–1718, early American silversmith and engraver

(Encyclopedia)Dummer, Jeremiah, 1645–1718, early American silversmith and engraver, b. Newbury, Mass. He was apprenticed (1659) to John Hull and set up as a silversmith in Boston c.1666. He held several public of...

Roerich, Nicholas Konstantin

(Encyclopedia)Roerich, Nicholas Konstantin nēˈkōlous kənstəntyēnˈ rörˈĭkh [key], 1874–1947, Russian artist, scene designer, and archaeologist. He was connected with the Moscow Art Theatre and the Diaghi...

Roberts, Elizabeth Madox

(Encyclopedia)Roberts, Elizabeth Madox, 1886–1941, American poet and novelist, b. Perryville, Ky., grad. Univ. of Chicago, 1921. She is best known for her novels and stories of the Kentucky mountain people, whose...

papaverine

(Encyclopedia)papaverine pəpăvˈərēn [key], alkaloid found in opium that acts as a muscle relaxant and vasodilator. The drug relaxes the smooth muscle of the larger blood vessels and is used to increase the blo...

Ouargla

(Encyclopedia)Ouargla wärˈglä [key], town and oasis, E Algeria. It is the administrative center of a well-watered oasis at the junction of several Saharan desert caravan routes. Ouargla lies in the heart of a pa...