News

  1. Health & Medicine

    Double Shot: Anthrax vaccine gets makeover

    An experimental anthrax vaccine appears to spur production of antibodies that stop the bacterium and disable the anthrax toxin at the same time.

    By Nathan Seppa
  2. Astronomy

    Stellar Tantrums: Tracking the flaring cycles of other stars

    Astronomers are closely tracking the ebb and flow of magnetic activity and powerful flares on stars other than the sun.

    By Sorcha McDonagh
  3. Health & Medicine

    Better Bones: Women benefit from low dose of estrogen

    Ultralow doses of estrogen and progesterone given to postmenopausal women boost bone density compared with placebos, without causing the adverse effects seen in some women who get larger doses of these hormones.