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Elvis's Legacy

Is he in the building? by John Gettings Related Links The Best of Elvis Elvis.com (official site) Graceland (virtual tour) Music Timeline 500 Songs That Shaped Rock…

Geometry: When Is a Parallelogram a Rhombus?

When Is a Parallelogram a Rhombus?GeometryProofs About QuadrilateralsWhen Is a Quadrilateral a Parallelogram?When Is a Parallelogram a Rectangle?When Is a Parallelogram a Rhombus?When Is a…

Selected Biographies: T

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 by…

World War I: Weapons and Technology

Here's a look at the weapons and technology used during the First World War. World War I Mark V-star tank Related Links World War I Battles with the Most Casualties…

Algebra: Inequalities with Absolute Values

Inequalities with Absolute Values Algebra Linear Inequalities Equations vs. Inequalities Solving Basic Inequalities The Inequality Mood Swing Graphing Solutions Compound Inequalities…

Anatomy and
Physiology: Neurons

NeuronsAnatomy and PhysiologyThe Nervous SystemThe Great DivideSupport StaffNeuronsConnecting with SynapsesYou've Got Potential Okay, slow down. Axons? Dendrites? Cell bodies? Remember, neural…

Anatomy and
Physiology: It's a Long Way Down

It's a Long Way DownAnatomy and PhysiologyThe Digestive SystemStops Along the WayIt's a Long Way DownJack-of-All-TradesRunning Along the TractPancreatic Panacea?What We Do with Our Food The…

Roundup of Recent Science Discoveries, 2005

—By Borgna BrunnerOmo Is Oldest In 2003 the dating of an Ethiopian Homo sapiens fossil, “Herto Man,” was hailed as a milestone in paleoanthropology. At 160,000 years old, Herto Man was a full 50…