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Sunset Boulevard likely to be closed for morning rush hour after massive water-main rupture


U.S. Department of AgricultureNational Institutes of Health
At left, an image from the National Institute of Allergy and Infectious Diseases shows a clump of Staphylococcus epidermidis bacteria (green) in the extracellular matrix, which connects cells and tissue, taken with a scanning electron microscope. At right, an image provided by the U.S.... Associated Press