Uncategorized

  1. Ecosystems

    Marine census: Surprising number of creatures bipolar

    Census of Marine Life offers a preview of massive international census gives fuller count, shows some sea species at both poles.

    By Susan Milius
  2. Climate

    The hidden costs of better fuels

    Whether crop-based biofuels will reduce greenhouse gas emissions depends on how, and where, they're grown.

    By Rachel Ehrenberg
  3. Life

    Jumping genes provide unexpected diversity

    Mobile DNA elements have stuffed and shrunk the human genome, a comparison of two genomes reveal

    By Tina Hesman Saey
  4. Planetary Science

    Earth may be home to unearthly life

    No need to look on other planets for new forms of life — weird life could exist right here on Earth.