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  1. Life

    Norovirus can play protective role in mice

    In mice, viral infection can help intestines develop, strengthen immune system.

    By Tina Hesman Saey
  2. Neuroscience

    Areas people like to be caressed match up with nerve fibers

    A caress in a sweet spot at the right speed activates nerve fibers tied to social touch.

    By Kate Baggaley
  3. Planetary Science

    Planets stake their claim around infant star

    At the center of the newly released telescope image is HL Tau, a star located about 450 light-years away in the constellation Taurus. A dense disk of gas and dust surrounds the star, which is a youthful million years old.

    By Christopher Crockett
  4. Life

    Springs bring gecko stickiness to human scale

    Springs of a stretchy alloy let gecko-inspired adhesives work at human scales to climb glass walls or grab space junk.