Human Evolution

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Stone Age

World Encyclopedia | 2005 | Copyright

Stone Age Period of human evolution defined by the use of stone tools. The Stone Age dates from the earliest identifiable broken-pebble tools made by human ancestors c.2.5 million years ago. The period is generally considered to have ended when metal tools first became widespread during the Bronze Age. The Stone Age usually subdivides into the Palaeolithic, Mesolithic, and Neolithic.

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Stone Age

The Oxford Pocket Dictionary of Current English | 2009 | Copyright

Stone Age a prehistoric period when weapons and tools were made of stone or of organic materials such as bone, wood, or horn.

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"Stone Age." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

"Stone Age." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O999-stoneage.html

"Stone Age." The Oxford Pocket Dictionary of Current English. 2009. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-stoneage.html

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stone age

A Dictionary of the Internet | 2001 | | Copyright

stone age Used to describe the period starting with the invention of the first computer (1949) up to the mid-1950s.

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DARREL INCE. "stone age." A Dictionary of the Internet. 2001. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

DARREL INCE. "stone age." A Dictionary of the Internet. 2001. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O12-stoneage.html

DARREL INCE. "stone age." A Dictionary of the Internet. 2001. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O12-stoneage.html

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Stone Age

The Columbia Encyclopedia, 6th ed. | 2011 | Copyright

Stone Age see Paleolithic period ; Mesolithic period ; Neolithic period .

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"Stone Age." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

"Stone Age." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1E1-X-StoneAge.html

"Stone Age." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-X-StoneAge.html

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Free newspaper and magazine articles

	A TRIP THROUGH THE STONE AGES...(Features) Newspaper article from: Sunday Mirror (London, England); 6/23/1996
	Stone Age and Bronze Age landscapes in Scania, Sweden.(Ecology and Economy in... Magazine article from: Antiquity; 12/1/2007
	Chimpanzee stone age: finds in Africa rock prehistory of tools. Magazine article from: Science News; 2/17/2007