News

  1. Planetary Science

    Neptune’s balmy south pole

    Neptune's south pole is about 10°C warmer than any other place on the planet.

    By Ron Cowen
  2. Agriculture

    Web Special: You fertilized with what?

    A study shows that farmers can substitute human urine for conventional fertilizer.

    By Janet Raloff
  3. Anthropology

    Sail Away: Tools reveal extent of ancient Polynesian trips

    Rock from Hawaii was fashioned into a stone tool found in Polynesian islands more than 4,000 kilometers to the south, indicating that canoeists made the sea journey around 1,000 years ago.

    By Bruce Bower
  4. Health & Medicine

    Lack of Evidence: Vaccine additive not linked to developmental problems

    Thimerosal, a mercury-containing vaccine preservative, shows no signs of causing memory, attention or other problems in children.