Vol. 157 No. #5
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More Stories from the January 29, 2000 issue

  1. Health & Medicine

    New Compounds Inhibit HIV in Lab

    Two new compounds uncovered by pharmaceutical scientists block integrase, an enzyme essential to the replication cycle of the virus that causes AIDS.

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  2. Health & Medicine

    Meaty receptor helps tongue savor flavor

    Scientists have identified a receptor protein in taste buds that recognizes the flavor of monosodium glutamate.

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  3. Earth

    Major mood swing alters Pacific character

    The temperature of the North Pacific Ocean has apparently veered from one extreme to the other—a change that could alter North American weather for the next decade or two.

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  4. Animals

    Why don’t racing horses fry their brains?

    Lumpy sacs bulging out of a horse's auditory tubes may solve the mystery of how such an athletic animal keeps its brain from overheating during exercise.

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  5. Planetary Science

    Life on Europa: A possible energy source

    New evidence supports the notion that Jupiter's moon Europa contains an ocean beneath its icy surface, and a planetary scientist has proposed a novel way that Europa could be getting the energy required to sustain life within that ocean.

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  6. Earth

    Backyard burning is recipe for dioxin

    A few rural households burning trash may generate more toxic dioxins than a major, properly operated municipal incinerator.

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  7. Humans

    Students shine in Science Talent Search

    The Intel Science Talent Search announces its 40 finalists

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  8. Materials Science

    In glass, fast crowds boogie to brittle end

    New experiments suggest that a coordinated dance involving more and more molecules may help explain the puzzling transformation from liquid to the molecular gridlock of solid glass.

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  9. Astronomy

    Chandra eyes low-temperature black hole

    An observatory in space has detected the coolest black hole yet found

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  10. Evolution may not be slow or random

    Studies of fruit flies taking over the New World and stickleback fish adapting to Canadian lakes suggest that evolution can proceed quickly and take predictable paths.

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  11. Animals

    Redder is healthier in squawking birds

    When barn swallow nestlings open wide for food, their parents may be looking for the healthiest throats.

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  12. Health & Medicine

    Poor glucose metabolism risks clots

    Excess concentrations of insulin in the blood may hamper the body's ability to break down blood clots efficiently.

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  13. Health & Medicine

    Firm nears completion of human genome

    Celera Genomics announced that it has sequenced 90 percent of the human genome and claimed it has found about 97 percent of all human genes.

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  14. Health & Medicine

    Impotence high after prostate removal

    Roughly 60 percent of men who have a cancerous prostate gland removed are subsequently impotent.

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  15. Math

    Trailing after double bubbles

    A proof of the double-bubble conjecture for the case in which the two bubbles' volumes are unequal appears within reach.

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  16. Math

    Unveiling the work of Archimedes

    An ancient manuscript long hidden from public view may provide significant insights into the way Archimedes did his mathematical work more than 2,000 years ago.

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  17. Earth

    Liquid Assets

    Research provides guidance on how best to bank water during times of plenty for use during subsequent droughts

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  18. Health & Medicine

    NO News

    Preliminary research suggests that inhaled nitric oxide may offer a much-needed treatment for patients suffering from complications of sickle cell disease.

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