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  1. Health & Medicine

    Study can’t tie EMFs to cancer

    A massive, long-term Swedish study has found no sign that occupational exposures to electromagnetic fields might trigger breast cancer in women.

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  2. Earth

    Lava fountain driven by reservoir of gas

    The gases driving a lava fountain that spewed from Italy's Mount Etna in June 2000 had accumulated in a reservoir 1.5 kilometers below the mountain's peak, chemical analyses suggest.

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  3. Physics

    A quantum fluid pipes up

    After 40 years of trying, physicists have heard a quantum-mechanical whistle emanating from two reservoirs of oscillating liquid helium separated by a perforated membrane.

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  4. Earth

    Adding mussel to environmental assessments

    Researchers have developed a new technique, using mussel shells, that could aid in autopsies of aquatic ecosystems that perished for unknown reasons.