Uncategorized

  1. Animals

    Fossilized seashells’ true colors revealed

    To the naked eye, fossilized seashells lack the colorful patterns of their living counterparts. But ultraviolet light can reveal some of their unique hues.

    By Helen Thompson
  2. 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
  3. 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
  4. Health & Medicine

    Injured baby hearts may be coaxed to regenerate

    Shots of a growth factor protein reduce cell death in infant mice with heart damage.