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Lighthouses: FAQ

Source: The United States Coast Guard Our first lighthouses were actually given to us by Nature. Sailors sometimes used landmarks such as glowing volcanoes to guide them. In the Ancient World,…

Anatomy and
Physiology: The Parts of a Bone

The Parts of a BoneAnatomy and PhysiologyThe BonesThe Parts of a BoneThat's the Long and Short of ItThe More Things Change …Now with a Self-Repairing Option! Most people envision bone as being…

Theories of the Universe: Bohr's Atomic Theory

Bohr's Atomic TheoryTheories of the UniverseThat Old Quantum TheoryPlanck's ConstantPhotoelectric Effect Explained, the Quantum Strikes AgainBohr's Atomic Theory Neils Bohr is considered the…

radar

(Encyclopedia) radar, system or technique for detecting the position, movement, and nature of a remote object by means of radio waves reflected from its surface. Although most radar units use…

Executive Departments

Find detailed information about each Executive Department, including the department's secretary, role in government, contact information, and history of the department…

September 2005

WorldFour Charged in Murder of Lebanese Prime Minister (Sept. 1): Commander of Lebanon's Republican Guard, former head of general security, former chief of Lebanon's police, and former military…

Selected Comedians

Bud Abbott and Lou Costello See also Women Comediennes People in the News Recent Obituaries Related Links American Film Institute's 100 Funniest Movies Movie Awards Biographies by…

Selected Biographies: V

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z More Biographies Don't see the biography you're looking for? Search 30,000+ biographies Biographies…