News

  1. Health & Medicine

    Bioengineering better blood vessels

    Durable conduits made with a tough protein produced by living cells might improve options for some patients who need heart bypass surgery or kidney dialysis, a new study finds.

    By Nathan Seppa
  2. Space

    Spacecraft sees signs of 1,200-plus worlds

    The Kepler mission releases information on hundreds of newly discovered candidate planets beyond the solar system, including about 50 that could be habitable.

    By Ron Cowen
  3. Life

    Ants manage incest without inbreeding

    An unorthodox family structure may have helped longhorn crazy ants spread around the globe.

    By Susan Milius
  4. Physics

    Invisibility cloaks hit the big time

    Using natural crystals, researchers have found a way to make objects up to a few millimeters tall disappear.