News

  1. Bacteria thrive by freeloading

    Mutant bacteria thrive by freeloading off their hard-working kin, but these slackers revert to working normally if they become too numerous.

    By Patrick Barry
  2. Materials Science

    Feet of clay, but superstrong

    Gluing together nanoscale clay particles with a simple adhesive creates a strong but flexible material.

    By Davide Castelvecchi
  3. Tech

    CD players could serve as cheap lab tools

    Ordinary CD disc players can be adapted to perform chemical assays and possibly medical diagnoses.

    By Charles Q. Choi
  4. Astronomy

    Motion of two nearby galaxies clouds the picture

    The Large and Small Magellanic Clouds are not gravitationally bound to the Milky Way, but are relative newcomers passing by for the first time.