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Eliot, T. S.

(Encyclopedia) Eliot, T. S. (Thomas Stearns Eliot), 1888–1965, American-British poet and critic, b. St. Louis, Mo. One of the most distinguished literary figures of the 20th cent., T. S. Eliot won…

Gnosticism

(Encyclopedia) GnosticismGnosticismnŏsˈtĭsĭzəm [key], dualistic religious and philosophical movement of the late Hellenistic and early Christian eras. The term designates a wide assortment of sects,…

Anthropocene

(Encyclopedia) Anthropocene Epoch, an unofficial term used by scientists to describe a period of time—up to the present—in which humanity has impacted the planet on a global scale. The…

Australian aborigines

(Encyclopedia) Australian aborigines, indigenous peoples of Australia. The first modern humans in Australia probably came from somewhere in Asia more than 40,000 years ago, most likely sometime…

council, ecumenical

(Encyclopedia) council, ecumenicalcouncil, ecumenicalĕkˌy&oomacr;mĕnˈĭkəl [key] [Gr.,=universal], in Christendom, council of church leaders, the decisions of which are accepted by some segment of…

Pluto Demoted!

Not a planet anymore by Chris Frantz The new solar system, with Pluto demoted from planet status. Credit: The International Astronomical Union/Martin Kornmesser. Click here for a…

Geometry: Proving Angles Are Congruent

Proving Angles Are CongruentGeometryProving Segment and Angle RelationshipsExploring MidpointsHow Many Midpoints Are There?Proving Angles Are CongruentUsing and Proving Angle ComplementsUsing and…