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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…

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…

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…

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…

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…