News

  1. Earth

    Biotech-crop laws were big in 2001

    Twenty-two state legislatures passed bills in 2001 addressing agricultural biotechnology, which concerns the development of genetically modified crops.

    By Ben Harder
  2. Physics

    Balloon bursts give clue to fast cracks

    A casual observation about the edges of popped balloons may have led researchers to previously unknown features of the most common and least understood types of fractures.

    By Peter Weiss
  3. Astronomy

    Seeing green: Color of the cosmos

    We live in a pale-green universe, according to astronomers who analyzed the colors of some 200,000 galaxies as part of the largest galaxy survey completed to date.

    By Ron Cowen
  4. Astronomy

    Are pictures of extrasolar planets in the offing?

    The first image of a planet orbiting a star other than the sun may be only a year away.