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DK Science: Amphibians

AMPHIBIAWET FROGFROGSPAWNFIND OUT MOREAmphibians generally start life in water, but later change so that they can live on land. Most return to the water to mate. The life cycle involves…

DK Science: Comets

COMET HALE-BOPPCOMET ORBITSBIOGRAPHY: EDMOND HALLEY English, 1656-1742METEORSFIND OUT MORESometimes icy lumps left over from the birth of the Solar System visit our skies. We see them as comets…

DK Science: Crustaceans

PHYLUM: CRUSTACEAFIND OUT MORECrustaceans have a hard, jointed external skeleton, called an exoskeleton, that protects them like armour. They have five pairs of jointed legs, and in some…

Cats

Adopting a cat? Make the Right Choice! You may have heard the saying, "You own a dog, you feed a cat." It's true that cats value their independence a bit more than their canine counterparts…

Narnian History: Outline by C. S. Lewis

so far as it is known courtesy of HarperCollins 1 500 1000 1500 2000 2500 1 Creation of Narnia. The Beasts made able to talk. Digory plants the Tree of Protection. The White Witch…

Sexually Transmitted Diseases: Introduction

IntroductionSexually Transmitted DiseasesIntroductionChlamydia: The Most Common STDGenital HerpesGenital Warts and HPVSyphilis: A Sexual Scourge with a Long HistoryGonorrhea In This Section The…

Croton Aqueduct

(Encyclopedia) Croton AqueductCroton Aqueductkrōˈtən [key], 38 mi (61 km) long, SE N.Y., carrying water from the Croton River basin to New York City; built 1837–42. It was one of the earliest modern…

Haile Gebrselassie

(Encyclopedia) Haile Gebrselassie, 1973–, Ethiopian track athlete. Adept at both indoor and outdoor distance events as well as long-distance cross-country and marathon running, Haile won major races…