News

  1. Life

    Bird feeding, migration could be splitting a species

    German birds that spend the off-season at U.K. birdfeeders now look slightly different from neighbors that migrate to Spain

    By Susan Milius
  2. Health & Medicine

    Targeting microRNA knocks out hepatitis C

    Blocking a small molecule, a new drug reduces levels of the virus, chimp study shows.

    By Tina Hesman Saey
  3. Anthropology

    Contested signs of mass cannibalism

    A new study yields controversial evidence of mass cannibalism in central Europe 7,000 years ago.

    By Bruce Bower
  4. Earth

    Ocean’s carbon dioxide uptake varies year to year

    Data taken hourly by cargo ships show that how much of the greenhouse gas North Atlantic waters absorb varies more than thought.