News

  1. Anthropology

    Ancient farming populations went boom, then bust

    Agriculture’s introduction led to big falls as well as rises in numbers of Europeans.

    By Bruce Bower
  2. Microbes

    Microbes signal deceased’s time of death

    In a study using mice, germs accompany the body’s decay in a consistent time sequence.

    By Tina Hesman Saey
  3. Climate

    Humans found guilty in climate change

    International panel’s confidence increases that society is responsible for global warming.

    By Beth Mole
  4. Planetary Science

    Curiosity gets the dirt on Mars

    The NASA rover completes an analysis of the first soil collected from Gale Crater.

    By Beth Mole
  5. Neuroscience

    An on-off switch for eating

    By triggering or silencing certain brain cells, scientists can get mice to feed or stop feeding regardless of hunger.