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2006 Olympics: Speed Skating

The Olympic demolition derby by Mike Morrison and Christine Frantz Dan Jansen Related Links 2006 Winter Olympics 2006 Short Track Medal Standings 2006…

Fireworks Facts

A brief history of the world's favorite explosives by Holly Hartman RELATED LINKS Fireworks Jigsaw Game  New! Star-Spangled Banner…

Passover: Feast Without Yeast

Why are some foods kosher and others not? by Michael Morrison Passover Dates (from sundown to sundown of the following dates) 2014 — April 14–22 2015 —…

DK Science: Palaeontology

DINOSAUR FOOTPRINTS FOSSILS FIND OUT MORE The study of ancient life, known from FOSSILS, is called palaeontology and scientists who work in this field are known as palaeontologists. By…

2010 Olympics: Speed Skating

The Olympic demolition derby by Mike Morrison and Christine Frantz Dan Jansen Related Links 2010 Winter OlympicsQuiz: 2010 Winter OlympicsSpeed Skating Through the…

Business Cards: Butcher, Baker, Candlestick Maker

Tracing the origin of your family name, you may be able to find out not only who your ancestors were but also what they were. In 12th-century England, when family names began to be used, people…

computer program

(Encyclopedia) computer program, a series of instructions that a computer can interpret and execute; programs are also called software to distinguish them from hardware, the physical equipment used…

Polybius

(Encyclopedia) PolybiusPolybiuspōlĭˈbēəs [key], 203? b.c.–c.120 b.c., Greek historian, b. Megalopolis. As one of the leaders of the Achaean League and a friend of Philopoemen, he was influential in…