News

  1. Environment

    Microplastics may enter freshwater and soil via compost

    Compost is pinpointed as a source of plastic pollution, but environmental fate and effects unknown.

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  2. Neuroscience

    Human brains make new nerve cells — and lots of them — well into old age

    In humans, new neurons are still born in old brains, new research suggests.

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  3. Earth

    Efforts to contain Mississippi floods may have made them worse

    Intensive management of the Mississippi River has increased the size of its largest floods, suggests a new study.

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  4. Astronomy

    A dozen new black holes found in Milky Way’s center

    Twelve small black holes spotted in the Milky Way’s center suggest thousands more in the galaxy’s inner region.