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  1. Chemistry

    A safer antioxidant?

    Scientists have developed a synthetic antioxidant that won't, at high doses, foster the tissue damage the compounds are meant to prevent.

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  2. Tech

    Worms may spin silk fit for skin

    Silk cocoons could become puffs of valuable human proteins if a new bioengineering method pans out.

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  3. Astronomy

    Mature Before Their Time

    Some galaxies were in place and forming stars at a prolific rate when the universe, now 13.7 billion years old, was just an 800-million-year-old whippersnapper.

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  4. Physics

    New equation fits nitrogen to a T

    An elaborate, new equation that yields more accurate values for nitrogen's properties might have a multimillion-dollar impact in the cryogenic fluids industry.