News

  1. Health & Medicine

    Vitamin relative may aid stroke repair

    Dehydroascorbic acid, a precursor of vitamin C, may help stroke patients retain use of parts of their brain at risk from the blood shut-off caused by strokes.

    By Nathan Seppa
  2. Health & Medicine

    Detecting cancer risk with a chip

    Researchers can use microcantilevers studded with antibodies that react to prostate specific antigen, or PSA, to analyze blood samples for signs of prostate cancer.

    By Nathan Seppa

  3. Brain scans reveal human pheromones

    Male and female brains react differently to two putative pheromones, compounds related to the hormones testosterone and estrogen.

    By John Travis

  4. NO says yes to breathing fast

    A form of nitric oxide tells the brain when the body needs to breathe faster.