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Revelation

(Encyclopedia) Revelation or ApocalypseRevelationəpŏkˈəlĭps [key], the last book of the New Testament. It was written c.a.d. 95 on Patmos Island off the coast of Asia Minor by an exile named John, in…

Rift Valley fever

(Encyclopedia) Rift Valley fever, acute viral disease that affects domestic livestock and can be transmitted to humans. The disease is most common in E and S Africa, but also occurs widely in sub-…

Gladkov, Feodor Vasilyevich

(Encyclopedia) Gladkov, Feodor VasilyevichGladkov, Feodor Vasilyevichfyôˈdər vəsēˈlyəvĭch glətkôfˈ [key], 1883–1958, Russian author. Born into poverty, Gladkov spent his youth wandering along the…

Helene

(Encyclopedia) HeleneHelenehəlēnˈ, hĕlˈənə [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn XII (or S12), Helene is an irregularly shaped (…

Mira

(Encyclopedia) MiraMiramīˈrə [key], [Lat.,=marvelous], variable star in the constellation Cetus; Bayer designation Omicron Ceti; 1992 position R.A. 2h19.0m, Dec. −3°05′. The most famous long-period…

Calypso, in astronomy

(Encyclopedia) Calypso, in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn XIV (or S14), Calypso is a small, irregularly shaped (nonspherical) body measuring…

Choosing a Pope

Learn how a new pope is selected upon the death or retirement of a sitting pontiff Benedict XVI Related Links Biography of Benedict XVI Major Religions of the World…

Natural Disasters in Texas

Source: iStockFrom blistering wildfires and devastating hurricanes to snow blizzards and flash floods, Texas has it all. The wide range of natural disasters that happen in the Lone Star State is…

Chemistry: Ionic Compounds

Ionic CompoundsChemistryIonic CompoundsWhat's an Ionic Compound?How Ionic Compounds Are FormedProperties of Ionic CompoundsWhat's in a Name? Ionic Nomenclature Sure, I defined what a chemical…