News

  1. Humans

    Dietary changes accompanied human evolution

    Hominids moved toward eating grasses and away from tree leaves, according to chemical analyses of fossil tooth enamel.

    By Rachel Ehrenberg
  2. Archaeology

    Italians taught French wine-making

    Archaeology suggests Etruscans brought the grape to Gaul.

    By Cristy Gelling
  3. Life

    Genes weakly linked to education level

    A search of more than 2 million DNA locations in more than 125,000 people finds a weak, and perhaps dubious, association with schooling.

    By Tina Hesman Saey
  4. Health & Medicine

    Mars trip would deliver big radiation dose

    Curiosity instrument confirms expectation of major exposures.

    By Cristy Gelling
  5. Paleontology

    Fossil muddies the origin of birds

    New specimen may be a feathered dinosaur — or the earliest avian yet discovered

    By Rachel Ehrenberg
  6. Climate

    Southwest’s monsoon season may heat up with the climate

    Warmer temperatures may bring stronger rainy seasons over the long term, study finds.