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/ 22 March 2008

Nanotechnology makes clean, efficient conductor

By crushing a widely used semiconductor into nanoparticles, researchers said this week they have created a compound that could lead to cleaner, more efficient refrigerators, solar power plants and other devices. The crushed material makes it possible to conduct electricity without conducting so much heat, solving a problem that has baffled engineers for 50 years.

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/ 28 November 2007

SA disappoints in global literacy study

Ten-year-olds in Russia, China’s Hong Kong and Singapore show the greatest reading ability among their peers, according to a global literacy study released on Wednesday. The worst performances came from South Africa, Morocco, Kuwait, Qatar, Indonesia, Iran, Trinidad and Tobago, Macedonia, Georgia and Romania.