News

  1. Foul Play: Genetics may affect athlete doping tests

    Athletes' genetic makeup may allow them to beat anti-doping tests.

    By Tina Hesman Saey
  2. Planetary Science

    Titan may harbor underground ocean

    Observations by the Cassini spacecraft hint that Saturn's smog-shrouded moon Titan may harbor a global ocean of water and ammonia 100 kilometers below its surface.

    By Ron Cowen
  3. Tech

    Power from heat

    A more efficient material that converts heat into electricity could make a new kind of solar panel possible.

    By Davide Castelvecchi

  4. Fingerprinting fugitive microbes

    A new computational tool can identify engineered bacteria by finding the genetic "fingerprints" that distinguish altered bacteria from natural ones.