News

  1. Earth

    Hit Again: December temblor probably caused new Sumatran quakes

    Seismic activity that rattled the Indonesian region early this week, including a quake that measured a whopping magnitude 8.7, was triggered by December's massive tsunami-spawning earthquake, scientists suggest.

    By Sid Perkins
  2. Chemistry

    Expanding the genetic code

    In an effort to explore the mechanisms of evolution, researchers have designed an unnatural chemical base and inserted it into synthetic DNA in a test tube.

    By Alexandra Goho
  3. Tech

    X rays detect fingerprints

    Analytical chemists have developed a method that visualizes elusive fingerprints with X rays.

    By Alexandra Goho
  4. Chemistry

    Stopping wool from shrinking

    Treating wool with a fungal enzyme not only prevents the fibers from shrinking but also is more environmentally friendly than using conventional chemical treatments.