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  1. Health & Medicine

    Switching off nerve cells eases asthma attacks

    A drug that numbs nerve cells in mice’s airways offers a new way to ease the effects of an asthma attack.

    By Meghan Rosen
  2. Planetary Science

    50 years ago, Mariner 4 sent back first pictures from Mars

    On July 14, 1965, Mariner 4 became the first spacecraft to fly by Mars. The probe also sent back the first pictures of another planet taken from space.

    By Christopher Crockett
  3. Health & Medicine

    New cancer drugs wake up sleeping killer T cells

    The immune system’s T cells, often evaded by tumors, might now resume the attack.

    By Nathan Seppa
  4. Health & Medicine

    Spit test could provide early warning of head, neck cancers

    A new study shows that signs of head and neck cancer can be detected in saliva and blood plasma even before tumors are clinically diagnosed.