Uncategorized

  1. Astronomy

    Gang of four: Debut of a big telescope

    In the desert of northern Chile, a fourth 8.2-meter telescope opened for business, completing a quartet known as the Very Large Telescope.

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  2. Astronomy

    Stellar motions provide hole-y data

    Measuring for the first time the acceleration of stars near the dense core of our galaxy, astronomers have obtained more precise information on the location and density of the black hole that lurks there.

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  3. Human, Mouse, Rat . . . What’s Next?

    Scientists lobby for a chimpanzee genome project.

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  4. 19371

    One of your sources in this article claims, “After all, even the sacred first law’s conservation of energy breaks down in the quantum realm, albeit in a limited way, he notes. That’s because Heisenberg’s uncertainty principle allows energy momentarily to appear from nothing, although it must be quickly paid back.” This claim is heard occasionally, […]

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  5. Physics

    Breaking the Law

    Can quantum mechanics + thermodynamics = perpetual motion?

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  6. Math

    Global contest nets encryption standard

    A data-scrambling scheme called Rijndael was selected to become the federal government's new formula for protecting sensitive, unclassified information.

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  7. Health & Medicine

    Some psychoactive drugs ease harsh PMS

    Drugs such as widely prescribed Prozac can relieve a severe form of premenstrual syndrome.

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  8. Earth

    Two microbes team up to munch methane

    Aggregates of two different microorganisms in methane-bearing ocean sediments collected off the Oregon coast appear to collaborate to consume methane despite a lack of oxygen.

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  9. Teams implicate new gene in prostate cancer

    A newly discovered gene may, in rare cases, cause prostate cancer or, more commonly, raise a man's risk of developing the disease.

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  10. Earth

    Even Nunavut gets plenty of dioxin

    Within a few weeks, some of the dioxin generated by industrial activities in the United States and Mexico falls out in the high Arctic.

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  11. Animals

    Beetle fights bass in mouthwash duel

    A whirligig beetle duels with a hungry fish by dribbling out a repulsive chemical while the fish tries to rinse it off.

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  12. Health & Medicine

    Drug spares eggs from early death

    A newly discovered drug that prevents radiation from hastening egg cell death in mice might also prevent some human cancer patients from suffering sterility and premature menopause.

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