Should our growing understanding of pre-Columbian settlements in the Amazon have any bearing on the debate over the region's development today?
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January 26, 2012 As Amazonian deforestation increases, archaeological sites emerge that tell a surprising tale about how forest peoples, hundreds of years ago, farmed intensively and creatively. Should this knowledge impact how we plan for Amazonian conservation today?
December 2, 2011 On today's show, we go shopping. We're bringing you stories about how we spend our money and what these purchases teach us about economics.
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Amazon CEO Jeff Bezos introducing the new Kindle Fire tablet in New York this morning.
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September 28, 2011 The company's much-anticipated competitor to the iPad will cost $199. And Amazon is introducing a new touch-screen Kindle.
A Wal-Mart in Los Angeles.
Robyn Beck/AFP/Getty Images
November 11, 2010 Wal-Mart offers free holiday shipping
July 19, 2010 Amazon said its Kindle e-book sales surpassed its hardcover sales this year.
August 3, 2009 Is the Amazon Kindle really the future of reading? Nicholson Baker hopes not.
June 17, 2008 All about "uncontacted" tribes in the Amazon with explorer Scott Wallace.
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