News

  1. Health & Medicine

    Study upgrades protons’ risk to DNA

    Proton radiation causes worse breaks in DNA than researchers had expected.

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  2. Chemistry

    Membrane purifies gas

    Researchers have synthesized a membrane that may purify hydrogen more efficiently than conventional chemical methods do.

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  3. Transplant reroutes cells from sperm to eggs

    Fish cells destined to become sperm can become eggs when transplanted into larvae.

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  4. Earth

    Finding dirty diesels

    Just a few diesel-fueled vehicles account for much of traffic-related soot.

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  5. Tech

    New View: Speedy microscope takes fuller look at the nanoworld

    Action movies of molecules and a better feel for microscopic surfaces could flow from a radically revised version of the atomic-force microscope.