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  1. Physics

    Why the thinnest sticky hairs rule

    The foot hairs of geckos and other creatures that can walk on ceilings may be microscopic because only such slender hairs offer optimal adhesion, regardless of shape.

    By Peter Weiss
  2. Chemistry

    Connection blocker may stop viruses

    Using compounds that disrupt the interface of two viral proteins might present a novel strategy for combating viruses, a study of herpes suggests.

    By Nathan Seppa
  3. Health & Medicine

    Fish toxin stops cancer pain

    An experimental drug fashioned from the toxin of the puffer fish can suppress pain in cancer patients.

    By Nathan Seppa
  4. Health & Medicine

    New diabetes drug passes early tests

    The drug exenatide stabilizes and can reduce blood sugar in diabetes patients.