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  1. Life

    Bacteria resistant to last-resort antibiotic appears in U.S.

    For the first time in the United States, scientists have reported a patient infected with a strain of bacteria carrying the gene mrc-1, making it resistant to the last-ditch antibiotic colistin.

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  2. Planetary Science

    Comet 67P carries two ingredients for life: glycine, phosphorus

    Two ingredients essential for all life, phosphorus and the amino acid glycine, have been found floating around a comet.

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  3. Computing

    New technique produces real randomness

    A new technique makes it easier for computers to roll the dice.

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  4. Quantum Physics

    Schrödinger’s cat now dead and alive in two boxes at once

    The living-dead feline has been split in two, using a system of microwaves inside superconducting cavities.