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prostate gland

(Encyclopedia)prostate gland, gland that is part of the male reproductive system. It is an organ about the size of a chestnut and consists of glandular and muscular tissue. It is situated below the neck of the blad...

Embargo Act of 1807

(Encyclopedia)Embargo Act of 1807, passed Dec. 22, 1807, by the U.S. Congress in answer to the British orders in council restricting neutral shipping and to Napoleon's restrictive Continental System. The U.S. merch...

candle, unit of luminous intensity

(Encyclopedia)candle, in weights and measures, unit of luminous intensity; it is defined as 1⁄60 of the intensity of a blackbody, or ideal radiator, at the temperature at which platinum solidifies (2,046K). The...

Richardson, Sir Owen Willans

(Encyclopedia)Richardson, Sir Owen Willans, 1879–1959, British physicist, Ph.D. University College, London, 1904. He was a professor at Princeton from 1906 to 1913 and at King's College London from 1914 until his...

gadolinium

(Encyclopedia)gadolinium gădəlĭnˈēəm [key], metallic chemical element; symbol Gd; at. no. 64; at. wt. 157.25; m.p. 1,312℃; b.p. 3,233℃; sp. gr. 7.898 at 25℃; valence +3. Gadolinium is a malleable, ducti...

exobiology

(Encyclopedia)exobiology or astrobiology, search for extraterrestrial life within the solar system and throughout the universe. Philosophical speculation that there might be other worlds similar to ours dates back ...

occupational disease

(Encyclopedia)occupational disease, illness incurred because of the conditions or environment of employment. Unlike with accidents, some time usually elapses between exposure to the cause and development of symptom...

Anson, Sir William Reynell

(Encyclopedia)Anson, Sir William Reynell rānĕlˈ [key], 1843–1914, English jurist. He was a founder of the school of law at the Univ. of Oxford. From 1899 to his death he sat in Parliament as a member for Oxfor...

Gage, Lyman Judson

(Encyclopedia)Gage, Lyman Judson, 1836–1927, American banker and cabinet member, b. Madison co., N.Y. He moved to Chicago in 1855 and from 1868 was associated with the First National Bank of Chicago, of which he ...

Milne, John

(Encyclopedia)Milne, John, 1850–1913, British seismologist, b. Liverpool, educated at King's College and the Royal School of Mines. He worked as a mining engineer in Newfoundland and Labrador and served (1874) as...