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  1. Astronomy

    Sounds of the universe confirm Big Bang

    Two experiments examining the detailed structure of the cosmic microwave background, the relic radiation from the Big Bang, have confirmed the basic model of how cosmologists believe the universe evolved.

    By Ron Cowen

  2. Dormant bacteria may spawn infection

    Clinicians' standard methods don't detect the dormant phase of a bacterium that commonly causes urinary tract infections in women.

    By Jessa Netting

  3. Undercooking makes germs strong

    Precooking servings to sublethal temperatures before the final cooking actually makes germ killing more difficult.

    By Janet Raloff

  4. 18944

    “Dirty money harbors bacterial dangers” brought back memories of my beloved grandmother in the 1920s.