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  1. Math

    Insights into symmetry

    This year's Abel Prize goes to mathematicians involved in group theory.

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  2. Life

    Coral keeps it in the family

    The nutrients released during mass coral spawning feed the whole ecosystem.

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  3. Trouble with truffles

    A Chinese truffle species has invaded Italy, raising fears that the newcomer could overgrow the Italian black truffle on its home territory.

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  4. Chemistry

    Squid beak balances hard and soft

    Yet, the squishy creature’s bite packs a lot of punch.

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  5. Earth

    Challenging ethanol’s dirty reputation

    An inexpensive way to make ethanol from wood chips reduces net greenhouse gas emissions as much as more costly methods.