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    Barbara Sherwood Lollar (Courtesy of Stable Isotope Lab/University of Toronto)

    This geologist found the oldest water on earth—in a Canadian mine

    The billion-year-old water might help unlock one of humanity’s biggest unanswered questions: Could there be life on other planets?

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    The Commons: Starring Charlie Angus

    The Scene. Charlie Angus is either the best kind of politician or the worst kind of politician. Or possibly both.