Find medal winners, timelines, memorable moments, participating countries, biographies, medal standings by nation, leading individual medal winners, and more. The Olympic Games SummarySummary of…
(Encyclopedia) seaborgiumseaborgiumsēbôrˈgēəm [key], artificially produced radioactive chemical element; symbol Sg; at. no. 106; mass number of most stable isotope 271; m.p., b.p., sp. gr., and…
Jennie Wood 1. Flint Water Crisis 2. Hurricane Katrina 3. BP Oil Spill 4. Exxon Valdez Oil Spill 5. Three Mile Island 6. St. Francis Dam 7. Picher Lead 8.…
(Encyclopedia) embolusembolusĕmˈbələs [key], foreign matter circulating in and obstructing a blood vessel. It may be a portion of a clot that has separated from the wall of a vessel (see thrombosis…
(Encyclopedia) Kaifu, ToshikiKaifu, Toshikitōˈshēkē kīˈf&oomacr; [key], 1931–, Japanese politician. A graduate of the law faculty at Waseda Univ., Kaifu ran successfully for parliament in 1954. A…
(Encyclopedia) Mattis, James, 1950–, American general and secretary of defense (2017–18), b. Pullman, Wash., grad. Central Washington Univ. (1971). Commissioned as a second lieutenant (1972) in the…
(Encyclopedia) Ozarks, the, or Ozark Plateau, upland region, actually a dissected plateau, c.50,000 sq mi (129,500 sq km), chiefly in S Mo. and N Ark., but partly in Oklahoma and Kansas, between the…
(Encyclopedia) malnutrition, insufficiency of one or more nutritional elements necessary for health and well-being. Primary malnutrition is caused by the lack of essential foodstuffs—usually vitamins…
(Encyclopedia) PittsburgPittsburgpĭtsˈbərg [key]. 1 Industrial city (1990 pop. 47,564), Contra Costa co., W Calif., on the edge of the San Francisco Bay area, at the junction of the Sacramento and…
