News

  1. Health & Medicine

    Vaccine Stretch: Smaller dose packs punch against flu

    A fraction of the standard dose of flu vaccine appears to grant people immunity to influenza if injected into the skin rather than in the muscle of the upper arm.

    By David Shiga
  2. Earth

    DDT linked to miscarriages

    A study of Chinese women finds that the pesticide DDT can not only affect menstrual cycles but also foster miscarriages very early in pregnancy.

    By Janet Raloff
  3. Health & Medicine

    Uranium, the newest ‘hormone’

    Animal experiments indicate that waterborne uranium can mimic the activity of estrogen, a female sex hormone.

    By Janet Raloff
  4. Earth

    Can phthalates subtly alter boys?

    Researchers have linked a mom's exposure to phthalates with a genital marker in boys suggesting a subtle feminization of their reproductive organs.