News

  1. Health & Medicine

    Brain Fix: Stem cells supply missing enzyme

    Brain stem cells implanted into sick mice restored a missing enzyme and extended life span by 70 percent.

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  2. Earth

    Hey, it’s cooler near the sprinklers

    Extensive agricultural irrigation can significantly affect local climate and may be masking the effects of global warming in some areas.

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  3. Tech

    EPA council sets priorities

    The Environmental Protection Agency's Science Policy Council has outlined the agency's nanotechnology-research needs.

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  4. Health & Medicine

    Emerging bug pilfers DNA

    A virulent bacterium invading U.S. hospitals and the battlefields of the Middle East pilfers its genes from other bacteria.