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genetic testing

(Encyclopedia)genetic testing, medical screening for genetic disorders, by examining either a person's DNA directly or a person's biochemistry or chromosomes for indirect evidence. Testing may be done to identify a...

Oppenheimer, J. Robert

(Encyclopedia)Oppenheimer, J. Robert ŏpˈənhīˌmər [key], 1904–67, American physicist, b. New York City, grad. Harvard (B.A., 1925), Ph.D. Univ. of Göttingen, 1927. He taught at the Univ. of California and t...

Gilman, Alfred Goodman

(Encyclopedia)Gilman, Alfred Goodman, 1941–2015, American biochemist, b. New Haven, Conn., M.D., Ph.D. Case Western Reserve Univ., 1969. He taught at the Univ. of Virginia (1971–1981) before becoming a professo...

Anderson, Jack

(Encyclopedia)Anderson, Jack (Jackson Northman Anderson), 1922–2005, American newspaper columnist, b. Long Beach, Calif. After serving as a Mormon missionary (1941–44) and a term as a war correspondent during 1...

defibrillator

(Encyclopedia)defibrillator, device that delivers an electrical shock to the heart in order to stop certain forms of rapid heart rhythm disturbances (arrhythmias). The shock changes a fibrillation to an organized r...

psychokinesis

(Encyclopedia)psychokinesis, movement or deformation of a physical object by thought or willpower alone (i.e., without the application of physical force). Telekinesis (sometimes abbreviated TK), an older term for p...

Gateway Arch National Park

(Encyclopedia)Gateway Arch National Park, 90.9 acres (36.8 hectares), St. Louis, Mo., est. 1935 as Jefferson National Expansion Memorial, designated a national park and renamed 2018. Located on the Mississippi, the...

Herndon, William Henry

(Encyclopedia)Herndon, William Henry, 1818–91, friend, law partner, and biographer of Abraham Lincoln, b. Greensburg, Ky. In 1844 he became the junior member of the Springfield, Ill., law firm of Lincoln and Hern...

Humala Tasso, Ollanta Moisés

(Encyclopedia)Humala Tasso, Ollanta Moisés, 1962–, Peruvian army officer and political leader, b. Lima. The son of a labor lawyer, Humala joined the Peruvian army in 1982, became an officer, and during the 1990s...

Du Pont, Pierre Samuel

(Encyclopedia)Du Pont, Pierre Samuel, 1870–1954, American industrialist, b. Wilmington, Del., grad. Massachusetts Institute of Technology, 1890. Du Pont worked as a chemist with the family's company, helping to d...