News

  1. Humans

    Baby brains undergo dramatic changes in utero

    Developing human brains experience more than 28,000 changes in a molecular process that governs gene activity.

    By Tina Hesman Saey
  2. Anthropology

    Ancient Maya bookmakers get paged in Guatemala

    New discoveries peg ritual specialists as force behind bark-paper tomes and wall murals.

    By Bruce Bower
  3. Cosmology

    Dust erases evidence for gravity wave detection

    The claimed detection of primordial gravitational waves does not hold up after taking into account galactic dust, a new analysis concludes.

    By Andrew Grant
  4. Neuroscience

    Chicks show left-to-right number bias

    Recently hatched chicks may have their own version of the left-to-right mental number line.