News

  1. Anthropology

    Maize may have fueled ancient Andean civilization

    A chemical analysis of skeletons from Peru’s Andes Mountains suggests that cultivation of key crop made building a prehistoric civilization possible.

    By Bruce Bower
  2. Physics

    Graphene gains nearly perfect liquid status

    Scientists have found that electrons in a layer of carbon atoms can become a strongly interacting swirling soup.

    By Rachel Ehrenberg
  3. Physics

    Capping the length of extra dimensions

    The existence of a small, elderly black hole places a new upper limit on the length of any extra dimension, a new study suggests.

    By Ron Cowen
  4. Life

    Hornets suffocate in bee ball

    Researchers find a spike in carbon dioxide, along with an increase in heat, makes honeybees' enemies vulnerable.