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  1. New Takes on Historic Quakes

    Two centuries on, scientists revisit the magnitudes of New Madrid’s biggest rumbles.

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  2. Plants

    Flirty Plants

    Searching for signs of picky, competitive mating in a whole other kingdom.

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  3. Chemistry

    Plastic isn’t over yet

    A tough new form of the 20th century’s signature polymer could extend its usefulness and make it more recyclable.

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  4. Life

    How both macho and meek persist

    Research in voles demonstrates one way that evolution preserves two divergent strategies in a single population.

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  5. Life

    Chromosome glitch tied to separation anxiety

    The finding is the latest in a series linking extra or missing gene copies to mental conditions.