(Encyclopedia) petrology, branch of geology specifically concerned with the origin, composition, structure, and properties of rocks, primarily igneous and metamorphic, and secondarily sedimentary. It…
April Fool's Day—Origin and History Chinese New Year Chinese New Year Dates Christmas Easter Father's Day Groundhog Day Halloween Hanukkah Kwanzaa Mardi Gras Martin…
(Encyclopedia) Newman, Paul, 1925–2008, American actor, b. Cleveland, Ohio. After performing in a Broadway play (1952–53) and in television dramas, Newman became a versatile film actor and a major…
(Encyclopedia) Botvinnik, Mikhail Moiseyevich, 1911–95, Soviet chess grandmaster, b. near St. Petersburg. He learned chess at the age of 12 and within a decade became the Soviet champion, a title he…
(Encyclopedia) quarrying, open, or surface, excavation of rock used for various purposes, including construction, ornamentation, road building, and as an industrial raw material. Rock that has been…
(Encyclopedia) Berry, Chuck (Charles Edward Anderson Berry), 1926–2017, American rock music guitarist, singer, and songwriter, b. San Jose, Calif. Berry is widely regarded as one of the leading…