Vol. 161 No. #10

More Stories from the March 9, 2002 issue

  1. Kids’ ADHD tied to snoring, sleepiness

    Heavy snoring may contribute to the development of hyperactivity and attention problems in some children, especially boys age 8 and younger.

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  2. A bitter taste in your . . . stomach

    The stomach may be able to "taste" bitter substances.

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  3. Astronomy

    Martian equator: A watery outpost?

    A catastrophic outpouring of water—four times the volume contained in Lake Tahoe—may have gushed from fissures near the equator on Mars as recently as 10 million years ago.

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  4. Physics

    Star in a Jar? Hints of nuclear fusion found—maybe

    In a bench-top experiment, atomic nuclei may have fused inside rapidly imploding bubbles of vapor in a liquid bombarded by sound waves, but many scientists find the evidence for bubble fusion unconvincing.

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  5. Earth

    Space Rocks’ Demo Job: Asteroids, not comets, pummeled early Earth

    An analysis of trace elements found in a variety of meteorites suggests that most of the heavenly objects that rained hell on the inner solar system about 3.9 billion years ago were asteroids, not comets.

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  6. Earth

    When the Mercury Falls: Autumn leaves taint river with poison

    Fall foliage that collects in stagnant waterways could release significant doses of a highly toxic form of mercury, which has the potential to accumulate in fish living far downstream.

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  7. Planetary Science

    Odyssey’s First Look: Craft spies signs of ice at the Martian south pole

    Astronomers have for the first time found evidence of large amounts of frozen water in the subsurface of Mars.

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  8. Health & Medicine

    Genetic Culprit: Mutation increases risk for uterine fibroids

    Analysis of DNA from families whose women have been beset by uterine growths reveals a mutation that can predispose women to these so-called fibroids.

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  9. Anthropology

    DNA Diaspora: Humanity may share tangled genetic roots

    A controversial new genetic analysis concludes that Homo sapiens evolved by expanding out of Africa in multiple waves beginning at least 600,000 years ago and then interbreeding, rather than totally replacing close relatives such as the Neandertals.

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  10. Earth

    Underground Soil Economy: Microbes hidden in the dirt react to UV boost

    The community of soil microbes may live hidden in the ground, but it still changes when there's more ultraviolet radiation above.

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  11. Health & Medicine

    Is HAART hard on the heart?

    Two studies came to opposite conclusions on whether multiple-drug regimens known as highly active antiretroviral therapy (HAART) for people with AIDS also contribute to heart trouble.

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  12. Health & Medicine

    Genes predict allergies to drug

    Genetic differences among people infected with HIV might help identify the 5 percent of patients who will suffer allergic reactions when given the antiretroviral drug abacavir.

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  13. Health & Medicine

    New drugs help battle HIV

    Three potential drugs in development rely on novel tactics for attacking the virus that causes AIDS.

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  14. Health & Medicine

    Two steps forward, one step back

    Just a few days after the National Institutes of Health announced it was canceling a large AIDS-vaccine trial, researchers reported preliminary results from a new vaccine that appears safe.

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  15. Channel Surfing

    The newly revealed three-dimensional structures of proteins called ion channels reveal the secrets of their crucial function.

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  16. A Maverick Reclaimed

    A small band of researchers wants to resuscitate the ideas of Egon Brunswik, a brilliant but tragic psychologist who died almost 50 years ago.

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