Thursday, February 24, 2005 A paste containing synthetic tooth enamel can seal small cavities without drilling. Kazue Yamagishi and colleagues at the FAP Dental Institute in Tokyo say that the paste can repair small cavities in 15 minutes. Currently, fillers don’t stick to such small cavities so dentists must drill bigger holes. Hydroxyapatite crystals,...
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News briefs:May 06, 2010
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News briefs:October 15, 2005
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Apple’s iTunes replaces Wal-Mart as No. 1 U.S. music seller
Wednesday, April 9, 2008 Five years after its launch, Apple Computer‘s iTunes downloadable music service in February passed Wal-Mart to become the No. 1 music seller in the United States, according to figures released April 3 by NPD Group, a market research firm. The firm said more than 4 billion songs had been downloaded...