(Encyclopedia) stem cells, unspecialized human or animal cells that can produce mature specialized body cells and at the same time replicate themselves. Embryonic stem cells are derived from a…
Here are the key news events of the month organized into three categories: World News, U.S. News, and Business, Society, and Science News. World | Nation | Business/…
People in the News Whether taking the helm of a newly-independent South Africa or simply living "La Vida Loca," these were the ones who made the headlines in 1999. by Beth Rowen…
The Fog at the Beginning of the Universe A team of astronomers from the California Institute of Technology, led by S. George Djorgovski, may have glimpsed the dawn of our universe. In Aug. 2001,…
(Encyclopedia) Schwarzenegger, Arnold Alois, 1947–, Austrian-American actor, bodybuilder, and politician, b. Thal, Austria. He began competing in bodybuilding contests in his teens, and won his first…
(Encyclopedia) mangrove, large tropical evergreen tree, genus Rhizophora, that grows on muddy tidal flats and along protected ocean shorelines. Mangroves are most abundant in tropical Asia, Africa,…
(Encyclopedia) Hersh, Seymour Myron, 1937–, American investigative journalist, b. Chicago, grad. Univ. of Chicago (1958). He began his career (1959) at a local news bureau, then became a wire service…
(Encyclopedia) Zoellick, Robert BruceZoellick, Robert Brucezĕlˈlĭk [key], 1953–, U.S. government official and finance executive, b. Evergreen Park, Ill., grad. Swarthmore College (B.A., 1975),…
(Encyclopedia) bushbuck, either of two small, delicate, spiral-horned antelopes of sub-Saharan Africa, the imbabala (Tragelaphus sylvaticus) and the kéwel (T. scriptus), formerly classified as a…
