Vol. 158 No. #19 Archives

More Stories from the November 4, 2000 issue

  1. Animals

    Shielded cells help fish ignore noise

    Fish can sort out the interesting ripples from the background rush of water currents through sensors shielded in canals that run along their flanks.

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  2. Paleontology

    Early Biped Fossil Pops Up in Europe

    A newly described, nearly complete 290-million-year-old fossil of an ancient reptile pushes back the evidence for terrestrial bipedalism by 60 million years.

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  3. Astronomy

    Rendezvous gets more personal with Eros

    Venturing closer to a space rock than any satellite has ever gone before, the Near Earth Asteroid Rendezvous (NEAR)-Shoemaker mission last week took the sharpest images ever recorded of an asteroid.

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  4. Health & Medicine

    Prostate enzyme triggers cancer drug

    A new drug reverses advanced prostate cancer in mice by enlisting the aid of prostate-specific antigen, an enzyme found in most prostate tumors.

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  5. Health & Medicine

    Killing immune cells thwarts arthritis

    Researchers have successfully treated people with rheumatoid arthritis by temporarily wiping out most of their antibody-producing immune cells.

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  6. Physics

    Signs of mass-giving particle get stronger

    The promising search at a collider in Switzerland for the Higgs boson—the crucial and last undetected fundamental particle predicted by the central theory of particle physics—became even more of a cliff-hanger as a new, strong hint of the particle appeared on the eve of the machine's second scheduled demise.

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  7. Anthropology

    ‘Y guy’ steps into human-evolution debate

    The common ancestor of today's males lived in Africa between 35,000 and 89,000 years ago, according to a contested DNA analysis.

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  8. Two aspects of sleep share a master

    A molecular connection between the timing of sleep—a part of circadian rhythms—and how long animals slumber each day is demonstrated for the first time.

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  9. Planetary Science

    Threat to Titan mission deepens

    If a communications problem between the Huygens probe and its mother craft is not corrected, as much as two-thirds of the data gathered by the probe during its 2004 descent through Titan's atmosphere could be lost.

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  10. Planetary Science

    New moons for Saturn

    Astronomers reported the discovery of four new moons orbiting Saturn.

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  11. Milked enzyme thwarts muscle disorder

    Using an enzyme made in rabbit's milk, scientists have successfully treated a rare genetic disorder.

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  12. Health & Medicine

    Firms vie to treat genetic disease

    Successful treatment of Fabry's disease—a rare, fatal genetic condition—prompts a law suit.

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  13. Earth

    Toxic color TVs and computer monitors

    High concentrations of lead can leach from the X-ray-filtering glass used in picture tubes, suggesting that this glass should be treated as hazardous waste.

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  14. Earth

    Prenatal exposures affect sperm later

    Boys exposed in the womb to hormone-mimicking pollutants may mature into men who produce impaired sperm.

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  15. Chemistry

    King Midas’ Modern Mourners

    Chemistry resurrects—in Philadelphia—an ancient funeral banquet.

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  16. Paleontology

    A Makeover for an Old Friend

    Time and technology revamp a dinosaur classic.

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