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  1. 19130

    I would hope that the artist’s conception of a black hole is not shared by many. The term hole was an unfortunate choice, since it conjures up an image of a tunnel rather than the actual sphere. In reality, the halo of light around the periphery of the black hole would cover the entire sphere […]

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  2. Astronomy

    Hole in the Middle: Are midsize black holes the missing link?

    Two teams of astronomers reported that they had confirmed the existence of a new class of black hole.

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  3. Earth

    Cancer Causer? Researchers zero in on leukemia risks

    Researchers add to mounting evidence that household pesticide exposure may be a significant risk factor for childhood leukemia.