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1100–1199 (A.D.) World History

Chartres CathedralTasha Vincent1100–1300Construction of Cathedral at Chartres, France.1144Second Crusade begins.c. 1150Angkor Wat is completed.1150–1167Universities of Paris and Oxford founded in…

Principal Organs of the United Nations

Secretariat This is the directorate on UN operations, apart from political decisions. The staff works under the secretary-general, whom it assists and advises. Secretaries-General Ban Ki-moon,…

Tsunamis

Source: The Federal Emergency Management Agency (FEMA) A tsunami (pronounced soo-nahm-ee) is a series of huge waves that happen after an undersea disturbance, such as an earthquake or volcano…

Measuring Body Mass

Many Americans believe it is normal to gain weight as we age, but doing so increases our risk for high blood pressure, heart disease, stroke, diabetes, certain types…

1979 CMA Awards

Willie NelsonArchive PhotosEntertainer of the YearWillie NelsonSingle of the Year“The Devil Went Down to Georgia,” Charlie Daniels BandAlbum of the YearThe Gambler, Kenny Rogers (United Artists)…

Roundup of Recent Science Discoveries, 2004

—By Borgna BrunnerSedna Debuts, Rattling Poor Pluto Artist's rendition of the planetoid Sedna On March 15, 2004, astronomers confirmed the discovery of the most distant object ever identified in…

Animal Groups

Vertebrates and Invertebrates Warm-blooded animals regulate their own body temperatures; their bodies use energy to maintain a constant temperature. Cold-blooded animals depend on their…

Science at Home

Look, No Hands See also: Science Projects Just for the Fun of It! Blow up a balloon without using your mouth or your hands…

1200–1299 (A.D.) World History

King John (1167–1216) Thomas Aquinas (1225–1274)   1200–1204 Fourth Crusade.   1211 Genghis Khan invades China, captures Peking (1214),…

2006 Olympics: Alpine Skiing, Men's

Downhill     Time 1Antoine Deneriaz, FRA 1:48.802Michael Walchhofer, AUT 1:49.523Bruno Kernen, SUI 1:49.82 Slalom     Time 1Benjamin Raich, AUT 1:43.142Reinfried Herbst, AUT…