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  1. Astronomy

    Poof goes an atmosphere

    Blasted by the heat and radiation from its parent star, a planet 150 light-years from Earth is literally blowing off its atmosphere.

    By Ron Cowen

  2. Bacteria do the twist

    A newly identified bacterial protein generates the sinuous shapes of some bacteria.

    By John Travis
  3. Tech

    Diagnosing the Developing World

    Researchers are learning how to adapt sophisticated technologies to meet the health-care needs of the developing world.

    By Alexandra Goho

  4. Code Breakers

    Chemical tags applied to proteins that DNA wraps around regulate genetic activity.

    By John Travis
  5. Animals

    Where’d I Put That?

    Birds that hide and recover thousands of separate caches of seeds have become a model for investigating how animals' minds work.