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We summarize the week's scientific breakthroughs every Thursday.

  1. Life

    3-D printing builds bacterial metropolises

    By simulating biofilms, new 3-D printing technique may help researchers study antibiotic resistance.

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  2. Tech

    Memory upgrade

    The demands of modern computing call for a seismic shift in data storage and retrieval.

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  3. Earth

    Deep network

    The NEPTUNE observatory — a ring of six underwater research stations connected to the Internet with fiber optic cables — is the first online observatory to brave the depths of the abyss.

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  4. Tech

    Vitamin stops static electricity

    Clearing out uncharged molecules may prevent charge buildup.

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  5. Tech

    Bacterial batteries get a solid boost

    Using microbes to harvest energy from wastewater now has a silver lining, with the metal making reliable, rechargeable batteries.

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  6. Tech

    Letters to the editor

    Readers respond to glowing plants, fracking worries and space hookups.

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  7. Tech

    Stretchy, see-through material conducts electricity

    Simple new device could find use in loudspeakers, artificial muscles or soft robots.

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  8. Tech

    On the Rebound

    Scientists revive search for new rubber sources.

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  9. Tech

    Online ‘likes’ multiply themselves

    Social media users swayed by previous ratings, researchers find when they randomly assign positive and negative votes.

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  10. Tech

    Hybrid race car of transistors debuts

    A new transistor combines the essential features of high speed and low energy consumption.

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  11. Tech

    Bandage-like patch dissolves to deliver medicine to skin

    Flexible material gets drugs or vaccines into body painlessly.

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  12. Computing

    Forecasting by computer

    Excerpt from the August 10, 1963, issue of Science News Letter.

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