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prostate cancer

(Encyclopedia)prostate cancer, cancer originating in the prostate gland. Prostate cancer is one of the most common malignancies in men in the United States, second only to skin cancer, and as a cause of cancer deat...

Murray, Henry A.

(Encyclopedia)Murray, Henry A., 1893–1988, American psychologist, b. New York City. Murray was trained in a variety of disciplines, including psychology, chemistry, and biology. He taught at Harvard (1927–62), ...

sand dollar

(Encyclopedia)sand dollar, common name for a marine animal in the same phylum as the starfish (see sea star). The sand dollar has a rigid, flattened, disk-shaped test, or shell, made of firmly united plates lying j...

White, Robert Michael

(Encyclopedia)White, Robert Michael, 1924–2010, American aviator, b. New York City. A fighter pilot during World War II, he was shot down over Germany and held in a prisoner-of-war camp (Feb.–Apr, 1945); he was...

Singleton, Benjamin

(Encyclopedia)Singleton, Benjamin, c. 1809–c. 1900, African-American leader of post–Civil War black resettlement in the West, b. Davidson co. (now coextensive with Nashville), Tenn. He escaped slavery in 1846, ...

anabolic steroid

(Encyclopedia)anabolic steroid ănˌdrōjĕnˈĭk [key], any of a group of synthetic derivatives of testosterone that promote muscle and bone growth. Used to treat uncontrolled weight loss in wasting diseases, anab...

Young, John Watts

(Encyclopedia)Young, John Watts, 1930–2018, American astronaut, b. San Francisco. A Navy test pilot, he joined the National Aeronautics and Space Administration's astronaut program in 1962. Young served as pilot ...

Babcock, Stephen Moulton

(Encyclopedia)Babcock, Stephen Moulton mōlˈtən băbˈkŏk [key], 1843–1931, American agricultural chemist, b. Bridgewater, N.Y., grad. Tufts College (B.A., 1866), Univ. of Göttingen, Germany (Ph.D., 1879). He...

Bakewell, Robert

(Encyclopedia)Bakewell, Robert, 1725–95, English livestock breeder and agriculturist. He successfully bred livestock for meat rather than appearance, developing new breeds, which included the Leicester sheep and ...

Vandenberg Air Force Base

(Encyclopedia)Vandenberg Air Force Base, U.S. military installation, 3,456 acres (1,399 hectares), SW Calif., near Lompoc; chief Pacific coast launch site for military satellites, and headquarters of the U.S. Space...