News

  1. Earth

    Geologists discover tectonic plate’s slippery underbelly

    Slippery layer of partially melted rock underneath tectonic plate revealed using reflected dynamite blast vibrations.

    By Thomas Sumner
  2. Animals

    Cockroach personalities can speed or slow group decisions

    The mix of temperaments in an alarmed cluster of cockroaches changes how quickly they make group decisions.

    By Susan Milius
  3. 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
  4. Anthropology

    Ancient Maya bookmakers get paged in Guatemala

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