Uncategorized

  1. Planetary Science

    Red Planet Express: Mars spacecraft traces a watery tale

    A Mars-orbiting spacecraft has provided new details about when and where liquid water existed on the planet.

    By Ron Cowen
  2. Physics

    Instant Nano Blocks: One-step process makes trillions of DNA pyramids

    Researchers have unveiled a three-dimensional building component that can be created from DNA in a simple procedure.

    By Peter Weiss
  3. Health & Medicine

    Beyond Hearing: Cochlear implants work best when given early

    Children born deaf who receive cochlear implants as toddlers show brain activity that's more normal than that of children getting the implants later in childhood.

    By Nathan Seppa
  4. Health & Medicine

    3-D Vision: New technique could improve breast cancer screening, diagnosis

    An experimental alternative to standard mammography could, by the end of this decade, become an essential tool for spotting breast cancer.