News

  1. Ecosystems

    Warming Sign? Larger dead zones form off Oregon coast

    Unprecedented recent changes in the yearly pattern of ocean currents off North America's West Coast have wreaked havoc on aquatic ecosystems there, another possible symptom of Earth's warming climate.

    By Sid Perkins

  2. Decoding Autism: Study finds DNA clues to developmental disorders

    New results direct the search for autism-influencing genes to a previously overlooked DNA segment and highlight the role of a crucial chemical-messenger system in creating brains susceptible to autism.

    By Bruce Bower
  3. Animals

    Bird Plans: Jays show foresight in breakfast menus

    The strongest evidence yet that animals plan ahead may come from western scrub jays preparing for their morning meals.