Vol. 159 No. #9

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.

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  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.

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  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.

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  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.

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  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.

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  6. Health & Medicine

    Fat harbors cells that could aid joints

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

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  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.

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  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.

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  9. Health & Medicine

    Surveying the Swiss: The eyes have it

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

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  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.

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  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.

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  12. Stick insects: Three females remain

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

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  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.

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  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.

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  15. Physics

    When warming up causes cooling down

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

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  16. Health & Medicine

    The Good Trans Fat

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

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  17. Why Fly into a Forest Fire?

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

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