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Paleocene epoch
(Encyclopedia) Paleocene epochPaleocene epochpāˈlēəsēnˌ [key], first epoch of the Tertiary period in the Cenozoic era of geologic time (see geologic timescale) between 60 to 66 million years ago. In…paleomagnetism
(Encyclopedia) paleomagnetism, study of the intensity and orientation of the earth's magnetic field as preserved in the magnetic orientation of certain minerals found in rocks formed throughout…Athena
(Encyclopedia) AthenaAthenaəthēˈnə [key], or Pallas AthenaPallas Athenapălˈəs [key], in Greek religion and mythology, one of the most important Olympian deities. According to myth, after Zeus seduced…perennial
(Encyclopedia) perennial, any plant that under natural conditions lives for several to many growing seasons, as contrasted to an annual or a biennial. Botanically, the term perennial applies to both…hibernation
(Encyclopedia) hibernationhibernationhīˌbərnāˈshən [key] [Lat.,= wintering], practice, among certain animals, of spending part of the cold season in a more or less dormant state, apparently as…Yellowstone National Park
(Encyclopedia) Yellowstone National Park, 2,219,791 acres (899,015 hectares), the world's first national park (est. 1872), NW Wyo., extending into Montana and Idaho. It lies mainly on a broad plateau…birch
(Encyclopedia) CE5 White birch, Betula papyrifera birch, common name for some members of the Betulaceae, a family of deciduous trees or shrubs bearing male and female flowers on separate plants,…seaweed
(Encyclopedia) seaweed, name commonly used for the multicellular marine algae. Simpler forms, consisting of one cell (e.g., the diatom) or of a few cells, are not generally called seaweeds; these…airline industry
(Encyclopedia) airline industry, the business of transporting paying passengers and freight by air along regularly scheduled routes, typically by airplanes but also by helicopter. Ferdinand Graf von…Serra, Saint Junípero
(Encyclopedia) Serra, Saint JuníperoSerra, Saint Juníperoh&oomacr;nēˈpārō sĕˈrä [key], 1713–84, Spanish Franciscan missionary in North America, b. Majorca. His name was originally Miguel José…Trending
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