News

  1. Materials Science

    Better-Built Diamonds: Fast growth, purity may multiply uses

    A research group has fabricated the purest diamonds ever made or found, and another has devised a way to grow high-quality diamonds up to 100 times faster than typical growth rates.

    By Peter Weiss
  2. Humans

    Small Steps: World Summit delegates wrangle over eco-friendly future

    Twenty thousand delegates from around the world met in Johannesburg last week for a contentious World Summit on Sustainable Development.

    By John Pickrell
  3. Astronomy

    Birth of a Tiny Galaxy: In the universe, dwarfs may pop up last

    Using the Hubble Space Telescope to observe a tiny galaxy still in the process of being born, astronomers are getting a rare glimpse of how larger galaxies formed early in the history of the universe.