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  1. 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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  2. 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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  3. 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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  4. 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.