Uncategorized

  1. Materials Science

    Color-tunable sunglasses

    Engineers have developed sunglasses that can change from dark, filtering hues to clear—and back—at the flip of a switch.

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  2. Health & Medicine

    New agent to spy clogged arteries

    To improve the detection of harmful arterial plaques, researchers have modeled a nanoparticle on a natural material: good cholesterol.

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  3. Chemistry

    Enzymes release caged chemicals

    A new controlled-release technology relies on enzymes to unshackle a chemical only when and where it's needed.

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  4. Health & Medicine

    Even outdoors, generators pose risks

    Portable electricity generators are frequently the culprit in domestic carbon monoxide poisonings—even when the devices sit outside the home.