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    Topic Summaries

    Martin Luther King, Jr., at the March on Washington
    Causes and Effects of the American Civil Rights Movement
    This is a list of some of the causes and effects of the American civil rights movement, which achieved national prominence...
    Martin Luther King, Jr., at the March on Washington
    Key Facts About the American Civil Rights Movement
    This is a list of key facts about the American civil rights movement, a movement against racial discrimination in the United...
    Plains zebras
    What are the subspecies of zebras?
    Zebra, Any of three species of black-and-white-striped equines that subsist almost entirely on grass.
    African American male suffrage
    Reconstruction Timeline
    This timeline lists significant events connected to Reconstruction, the period in U.S. history from 1865 to 1877. Attempts...
    African American male suffrage
    Reconstruction Key Facts
    This is a list of key facts about the Reconstruction era. Reconstruction was the period in U.S. history from 1865 to 1877...
    John Adams
    An outline about the vice presidency and presidency of John Adams
    John Adams, (born Oct. 30, 1735, Braintree, Mass.—died July 4, 1826, Quincy, Mass., U.S.), U.S.
    Learn about the Battle of Adwa between the Ethiopian army and Italian forces
    Battle of Adwa, or Battle of Adowa , (March 1, 1896) Military clash at Adwa, in north-central Ethiopia, between the Ethiopian...
    Principal sites associated with Aegean civilizations.
    Learn about the cultures under the Aegean civilizations
    Aegean civilizations, The Bronze Age civilizations that arose and flourished c. 3000–1000 bce in the region bordering the...
    Edmund Burke
    Learn about the nature and approaches of aesthetics
    Aesthetics , Philosophical study of the qualities that make something an object of aesthetic interest and of the nature...
    Soviet invasion of Afghanistan
    Learn about the outbreak of civil war in Afghanistan and its results
    Afghan wars, Series of wars in Afghanistan during the 19th, 20th, and early 21st centuries.
    Uncover the historical beginnings of Afghanistan under the Achaemenian Empire, 6th cent BCE to the present time
    Afghanistan, officially Islamic State of Afghanistan , Country, south-central Asia.
    Learn about the people, language, and history of Africa
    Africa, Second largest continent on Earth.
    Battle of Agincourt
    Learn about the Battle of Agincourt, the decisive victory of the English over the French
    Battle of Agincourt, (October 25, 1415)Battle resulting in the decisive victory of the English over the French in the Hundred...
    Alexander the Great
    Explore the military campaigns of Alexander the Great
    Alexander the Great, or Alexander III , (born 356 bc, Pella, Macedonia—died June 13, 323 bc, Babylon), King of Macedonia...
    mathematicians of the Greco-Roman world
    Understand the purpose and structure of algebra
    algebra, Generalized version of arithmetic that uses variables to stand for unspecified numbers.
    Know about the geography, economy, and history of Algeria
    Algeria, officially People’s Democratic Republic of Algeria , Country, North Africa.
    Battle of Gettysburg
    Learn about the causes and the landmark battles of the American Civil War
    American Civil War, or Civil War or War Between the States , (1861–65) Conflict between the U.S.
    banded fire salamander (Salamandra terrestris)
    What are examples of an amphibian?
    Amphibian, Any member of a class (Amphibia) of cold-blooded vertebrate animals that includes more than 6,200 species in...
    The transformation of a circular region into an approximately rectangular regionThis suggests that the same constant (π) appears in the formula for the circumference, 2πr, and in the formula for the area, πr2. As the number of pieces increases (from left to right), the “rectangle” converges on a πr by r rectangle with area πr2—the same area as that of the circle. This method of approximating a (complex) region by dividing it into simpler regions dates from antiquity and reappears in the calculus.
    Understand the concept of analysis in mathematics
    Analysis, Field of mathematics that incorporates the methods of algebra and calculus—specifically of limits, continuity,...
    Gottlob Frege
    Learn about the nature of analytic philosophy
    Analytic philosophy, Philosophical tradition that emphasizes the logical analysis of concepts and the study of the language...
    cave dwellings in Cappadocia
    Learn about the boundaries and history of Anatolia
    Anatolia, or Asia Minor Turkish Anadolu , Peninsula forming the western extremity of Asia.
    Learn about the historical background of Angola, the Portuguese colonization, and the civil war
    Angola, officially Republic of Angola, formerly Portuguese West Africa , Country, southern Africa.
    Fallow deer (Dama dama)
    Learn about the characteristics of animals
    Animal, Any member of the kingdom Animalia (see taxonomy), a group of many-celled organisms that differ from members of...
    The structure of polychaetes. (Left) Free-moving polychaetes. (A) Neanthes, (B) Nereis. (Right) Tube-dwelling (sedentary) polychaetes. (C) Amphitrite, (D) Sabella.
    Know about the structure and classes of annelid
    Annelid , Any member of a phylum (Annelida) of invertebrate animals that possess a body cavity (coelom), movable bristles...
    Margaret Mead conducting fieldwork in Bali
    Learn about the study of anthropology and its various branches
    Anthropology, The “science of humanity.” Anthropologists study human beings in aspects ranging from the biology and evolutionary...
    St. Thomas Aquinas
    Learn about the life of Saint Thomas Aquinas and his contribution to philosophy and theology
    Saint Thomas Aquinas, (born 1224/25, Roccasecca, near Aquino, Terra di Lavoro, Kingdom of Sicily—died March 7, 1274, Fossanova,...
    Six-Day War in the Golan Heights
    Learn about the causes and consequences of the Arab-Israeli wars
    Arab-Israeli wars, Series of military conflicts fought between various Arab countries and Israel (1948–49, 1956, 1967, 1969–70,...
    garden spider
    Learn about the anatomy of arachnids
    Arachnid , Any member of the class Arachnida, primarily carnivorous arthropods having a well-developed head, a hard external...
    Foster and Partners: the Great Court
    Learn about the needs of architecture in designing buildings
    Architecture, Art and technique of designing and building, as distinguished from the skills associated with construction.
    Learn about Argentina and its independence from Spain
    Argentina, officially Argentine Republic , Country, southern South America.
    Know about Aristotle and his contribution to philosophy and science
    Aristotle, (born 384, Stagira—died 322 bc, Chalcis), Greek philosopher and scientist whose thought determined the course...
    Talat Pa?a
    Learn about the Armenian Genocide, the deliberate killing and deportation of Armenians by the Turks of the Ottoman Empire
    Armenian Genocide, Campaign of murder and expulsion conducted against the Armenian subjects of the Ottoman Empire by the...
    spiny lobster
    Know about the structure and classification of arthropods
    Arthropod, Any member of the largest phylum, Arthropoda, in the animal kingdom.
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