Is the battle over standards for the next-generation high-definition DVD about to be resolved? Warner Brothers engineers Alan Bell and Lewis Ostrover have filed a patent ( for a disc that has Sony’s Blu-Ray format inscribed on its top layer, with a Toshiba HD-DVD-compatible layer stashed beneath it. Flip it over and the other side is a standard DVD for carrying low-resolution footage. So everyone’s happy. Novel napkins could detect surfaces that are contaminated with pathogenic strains of E. coli or the superbug MRSA. Researchers at Cornell University in Ithaca, New York,
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