Archive: 11/29/2007

Holiday wishes from the Hubble Space Telescope

Messier 74, also called NGC 628, is a stunning example of a 'grand-design' spiral galaxy that is viewed by Earth observers nearly face-on. Its perfectly symmetrical spiral arms emanate from the central nucleus ...

Nov 29, 2007
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Long-term improvement seen with hip replacement

Total hip arthroplasty (THA), or hip replacement, is an effective treatment for osteoarthritis (OA), but most studies have only followed patients for up to one year. A new study published in the December issue of Arthritis Ca ...

Nov 29, 2007
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