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DK Science: Reproductive System

MALE REPRODUCTIVE SYSTEM FEMALE REPRODUCTIVE SYSTEM JOURNEY OF SPERM AND EGG FERTILIZATION READY TO BE BORN FROM FERTILIZED EGG TO NEWBORN BABY FIND OUT MORE The male and female parts…

DK Science & Technology: Electricity Supply

HOW ARE MOST GENERATORS POWERED? WHAT IS THE POWER GRID? WHAT IS ALTERNATING CURRENT? POWER GRID POWER STATIONSFIND OUT MOREElectricity has revolutionized the way we use energy. It can be generated…

DK History: Islamic Civilization

WHAT WAS LIFE LIKE IN MUSLIM LANDS? HOW DID ISLAM SPREAD SO QUICKLY? WHERE DID MUSLIMS TRAVEL TO? WHY WERE TEXTILES SO IMPORTANT? CALIPHSAL ANDALUSFIND OUT MOREIn AD 610, an Arab merchant called…

S. S. Kresge

(Sebastian Spering Kresge) merchant, philanthropistBorn: 7/31/1867Birthplace: Bald Mount, Pa. With a newly minted business degree in hand, Kresge worked as a traveling tinware salesman (1890–97)…

Ralph Macchio

actorBorn: 11/4/1961Birthplace: Huntington, New York Ralph Macchio began acting in television commercials at the age of 16, which led to his first film role in Up the Academy (1980). Macchio then…

Elijah J. McCoy

inventorBorn: 5/2/1843Birthplace: Colchester, Ontario, Canada The son of former slaves from Kentucky who had escaped via the Underground Railroad to Canada, at 15 years of age Elijah McCoy traveled…

Martha Gellhorn

international correspondentBorn: 11/8/1908Birthplace: St. Louis, Mo. Gellhorn dropped out of Bryn Mawr College in 1927 to become a writer. The New Republic accepted a few of her articles, but…

Wrigley Field

Chicago, Ill.Designed in 1914 by Zachary Taylor Davis photo by Carol M. Highsmith The American Institute of Architects and Harris Interactive selected Wrigley Field in Chicago, Ill…

Myths About Explorers

Most people think……Christopher Columbus discovered America. In fact, the Vikings, led by Leif Ericson, were the first Europeans to land on the coast of North America in the year 1000. Christopher…