News in Brief

  1. Health & Medicine

    A more accurate prenatal test to predict Down syndrome

    A test to detect genetic problems such as Down syndrome examines a baby’s DNA in the mother’s blood and may limit the need for more invasive screening.

    By Tina Hesman Saey
  2. Anthropology

    Kennewick Man’s bones reveal his diet

    Pacific Northwest man who lived 9,000 years ago ate from an almost entirely seafood menu, a new analysis finds.

    By Bruce Bower
  3. Health & Medicine

    Older moms may have options to reduce newborns’ risks

    Although babies born to older mothers face a higher danger of congenital heart defects, exercising moms may offset this added risk, a study in mice shows.