News

  1. Tech

    Cranberry aid for assay

    Cranberry juice, often used to stave off urinary-tract infections caused by Escherichia coli, also keeps the bacterium from reducing a biosensor's specificity.

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  2. Archaeology

    Getting a read on early Maya writing

    Excavators of a pyramid in northeastern Guatemala announced the discovery of the earliest known Maya writing.

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  3. Robo Receptor: Researchers engineer a brain ion channel to take its cues from light

    Scientists have engineered an ion channel in nerve cells to open or close in response to light.

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  4. Ecosystems

    Life Underfoot: Microbial biodiversity takes surprising twist

    When it comes to numbers of bacterial species, rainforest dirt is virtually a desert, but desert dirt bursts with biodiversity.