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  1. Tech

    A dim view of biologic and chemical agents

    Microscopic gel balls that act as lenses may become the active ingredient of quick-acting sensors for bioagents and chemicals.

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  2. Tech

    Tiny ticker

    Researchers have demonstrated that they can control how frequently a DNA-based nanodevice changes between two forms.

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  3. Ecosystems

    Saving Sturgeon

    Sturgeon species around the world are in trouble, which is why humans will increasingly be stepping in to give them a big assist.

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  4. Eat Smart

    Your daily diet may have an impact on your brain's resiliency in the face of injury or disease.