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DK Science: Food Plants

PADDY FIELDS IN CHINAVERSATILE FOOD PLANTLIFE CYCLE OF RICECOMBINE HARVESTERS GATHER WHEATCROP ROTATIONSELECTIVE BREEDINGBIOGRAPHY: NORMAN BORLAUG American, 1914-PESTSFIND OUT MOREFood chains begin…

DK Society & Beliefs: Culture

DO ALL MEMBERS OF A SOCIETY SHARE ONE CULTURE? IS THERE A GLOBAL CULTURE? DO CULTURES CHANGE? HOW DO WE LEARN A CULTURE? TRADITIONLANGUAGESUBCULTUREFIND OUT MORECulture is made up of all the…

DK Science & Technology: Genetic Engineering

WHAT IS GENETIC VARIATION? HOW CAN WE MANIPULATE GENES? GM FOODCLONESSTEM CELLSFIND OUT MOREGenetic engineering is the manipulation of genes of living things. Scientists can now insert genes from…

Landmarks of Boston

by Dana J. Quigley photos by Carol M. Highsmith No city in the U.S. is richer in historical associations than Boston, and no city has retained more of its original buildings as memorials to…

Homework Center: Frequently Asked Questions

Homework Center Frequently Asked Questions Subjects » Geography » History » Language Arts » Mathematics » Science » Social StudiesSkillsWriting | ResearchSpeaking &…

Theories of the Universe: How Did We Get Here?

How Did We Get Here?Theories of the UniverseEvolution vs. CreationismIt's a Matter of OpinionHow Did We Get Here?And God Said … I wanted to spend some time discussing ideas about the nature of…

State Department Notes on Libya

U.S. Department of State Background Note Index: People History Government and Political Conditions Economy Foreign Relations U.S.-Libyan Relations PEOPLELibya has a small population in a large…

Marx, Karl

(Encyclopedia) Marx, Karl, 1818–83, German social philosopher, the chief theorist of modern socialism and communism. In 1847 Marx joined the Communist League and with Engels wrote for it the…