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  1. Fire & Ice

    Volcanoes and frozen lands make an explosive combo.

    By Alexandra Witze

  2. Rust Never Sleeps

    A new flare-up in an age-old battle between wheat and a fungal killer.

    By Rachel Ehrenberg

  3. A New View of Gravity

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

    By Tom Siegfried

  4. Dry air might boost flu transmission

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

    By Janet Raloff
  5. Chemistry

    Cockroach brains, coming to a pharmacy near you

    Insect tissue extracts show antibacterial activity in lab experiments.

    By Rachel Ehrenberg

  6. Science Future for September 25, 2010

    September 25Free admission day to 17 museums in Houston.