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  1. A New View of Gravity

    Entropy and information may be crucial concepts for explaining roots of familiar force.

    By Tom Siegfried

  2. Dry air might boost flu transmission

    Germs prefer an environment that’s cool, dry and UV-free, experiments suggest.

    By Janet Raloff
  3. Chemistry

    Cockroach brains, coming to a pharmacy near you

    Insect tissue extracts show antibacterial activity in lab experiments.

    By Rachel Ehrenberg

  4. Science Future for September 25, 2010

    September 25Free admission day to 17 museums in Houston. See www.houstonmuseumdistrict.org September 30Peter Gleick gives an evening talk in San Francisco on Bottled & Sold, his book about the bottled water industry. Ages 21 and up.