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Tuesday, February 1, 2011

npr-news with transcript

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Irrational Thinking: The Word 'Natural' Sells (03:48) January 13, 2011
Behavioral economist Dan Ariely has been looking into how the word "natural" affects how people buy things like medicine. In short, he tells host Robert Siegel, natural sells.
An Earlier Departure Out Of Africa?   (09:48)  January 28, 2011
A cache of stone tools found in the United Arab Emirates suggests that modern humans may have left Africa earlier — and via a different route — than previously thought. Anthropologist Will Harcourt-Smith describes the finding and how it may change thinking on human origins.
Genes Play Role In Selecting Friends, Study Finds (04:41) January 29, 2011
Birds of a feather flock together. The age-old adage now carries scientific weight. A new study in the Proceedings of the National Academy of Sciences suggests genes may influence how people pick their friends. James Fowler, professor of medical genetics and political science at the University of California, San Diego, is the author of the study and he tells host Guy Raz there's biology in social chemistry.
Americans appear to be getting too much fluoride, so the federal government is proposing to tweak its recommendations for fluoride in drinking water. The concern is over a condition called fluorosis, which can produce white lines or spots on teeth. A recent federal study found that 40 percent of adolescents have this condition, though in the vast majority of cases, the spots and lines are barely visible. Fluorosis is on the upswing because children are getting fluoride from drinking water and toothpaste.

'Next Stop Is Vietnam': The War In Music (06:29) January 26, 2011 

A recent 13-CD box set called Next Stop Is Vietnam: The War on Record 1961-2008 documents the music that dominated the airwaves during the Vietnam War. Rock historian Ed Ward says the compilation could have used some "conscientious curation."  (freshair program)

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