(AP) -- Oprah Winfrey got plenty of `likes' on Facebook Thursday from fans who tuned in to watch a live online chat with the social networking site.
Internet
Sep 9, 2011
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Like a mechanic popping the hood of a car to get at a faulty engine, a tumor-suppressing protein allows cellular repair mechanisms to pounce on damaged DNA by overcoming a barrier to DNA access.
Cell & Microbiology
Jun 19, 2009
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When Larry and Lauri Kraft decided to add a great room and three-season porch to their 1959 split-level home in St. Louis Park, Minn., they chose "green" remodeling to protect their children's health.
Other
Feb 27, 2009
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