Latest Issue of Science News

August 12, 2000

  • News

    Solving one mystery of polar wander

    Long-term fluctuations in pressure at the ocean's bottom may be the driving force for the Chandler wobble, which causes the North Pole to wander about 20 feet every 14 months or so.
  • News

    Early web-footed bird made impression

    Researchers have discovered the fossil tracks of an otherwise unknown bird in 110-million-year-old sediments, which pushes back evidence of web-footed birds by at least 25 million years.
  • News

    Where's Waldo . . . and 6 billion others?

    Scientists have combined satellite imagery and detailed census data to develop a worldwide database that can provide estimates of the number of people located in areas on a grid that has boxes with areas of 1 square kilometer or less.
  • News

    Banning deer boosts migratory birds

    In a 9-year test, excluding deer raised the population numbers among bird species, such as hooded warblers, that have a high conservation priority.
  • News

    Hypnotic hues in the brain

    Hypnosis uniquely colors the activity of brain areas involved in visual perception, supporting the view that hypnotized people enter a distinct psychological state rather than only play a role designed to please the hypnotist.
  • News

    Babies posture to learn

    Infants make better action-oriented decisions when they adopt a familiar posture, such as sitting upright, instead of an unfamiliar one, such as crawling.