Vol. 159 No. #9
Archive Issues Modal Example

More Stories from the March 3, 2001 issue

  1. Ecosystems

    Fish Epidemic Traces to Novel Germ

    A new mycobacterium, related to the one causing tuberculosis, is responsible for a mysterious epidemic sickening some of the Chesapeake Bay's most prized fish.

  2. Health & Medicine

    Vaccine may prevent some cervical cancers

    A new vaccine spurs people to produce a strong immune response against human papillomavirus, a virus that can infect both men and women and causes cervical cancer in women.

  3. Planetary Science

    Images suggest icy eruptions on Ganymede

    New stereo images of Ganymede, the solar system's largest satellite, suggest that eruptions of water or slushy ice a billion or more years ago gave parts of the moon a facelift, creating long, flat bands of nearly pure water-ice.

  4. Some police see through killer’s lies

    For the first time, a person's ability to size up a highly motivated liar has been assessed in a study of police officers viewing videotaped interviews of a murder suspect.

  5. Physics

    Run-of-the-mill compound becomes superstar

    The discovery that simple, common magnesium diboride can conduct electric current without resistance and does so at a surprisingly high temperature has sent physicists racing to understand its properties and to try to improve upon them.

  6. Health & Medicine

    Fat harbors cells that could aid joints

    Researchers have found a way to trick fat into generating cartilage.

  7. Roach females pick losers with good scents

    Male Tanzanian cockroaches lose fights if they have too much of a particular pheromone, but females find it alluring.

  8. Living it up below the ice sheet?

    A recent earthquake in Antarctica points toward geologic activity that could provide the energy necessary to incubate life in a liquid lake deep beneath the ice.

  9. Health & Medicine

    Surveying the Swiss: The eyes have it

    Magnetic resonance imaging can help determine the health of a wheel of cheese.

  10. Astronomy

    In moon race, Saturn is still champ

    New discoveries have raised the retinue of Saturn's known moons to 30, making the ringed planet the solar system's champ.

  11. Astronomy

    Magnetic flip heralds solar max

    Scientists have found another indicator that the sun has reached the maximum of its current activity cycle: The polarity of its magnetic field has reversed.

  12. Stick insects: Three females remain

    An Australian expedition locates three females of a big, flightless stick insect species thought to have gone extinct.

  13. Quoll male die-off doesn’t fit pattern

    Males of a ferretlike marsupial called a quoll die off after one mating season-unusual behavior that suggests the need for new theories of why such deaths occur after mating.

  14. Physics

    Physicists get B in antimatter studies

    New observations that subatomic particles called B mesons decay differently from their antimatter versions may help explain why the universe is made almost entirely of matter, not antimatter.

  15. Physics

    When warming up causes cooling down

    Under the right circumstances, heating a tiny cluster of sodium atoms makes its temperature fall.

  16. Health & Medicine

    The Good Trans Fat

    One arcane family of fats may be tapped to treat or prevent a host of diseases.

  17. Why Fly into a Forest Fire?

    Scientists puzzle over why some wasps and beetles race to forest fires.