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  1. Tech

    New microscope gives clear view inside cells

    By splitting beams of light, a new microscopy technique can capture activity inside a cell.

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  2. Science & Society

    E-commerce sites personalize search results to maximize profits

    Travel and retail websites alter search results depending on whether consumers use smartphones or particular web browsers.

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  3. Environment

    No water contamination found in Ohio’s fracking epicenter

    Methane in Ohio groundwater comes from biological sources, such as bacteria, not fossil fuel exploration.

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  4. Paleontology

    Stegosaurus landed a low blow in dino brawl

    During a dinosaur scuffle 147 million years ago, a stegosaurus whipped an allosaurus in the crotch.