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  1. Climate

    ‘Zombie’ forest fires may become more common with climate change

    Wildfires that survive winter underground can flare up after warm summers and account for more than one-third of the scorched ground in some regions.

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  2. Life

    European fire ant chemicals may send spiders scurrying away

    Black widows and some other common spider species avoid spaces where fire ants once roamed, suggesting the insects could inspire a spider repellent.

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  3. Climate

    Climate change disinformation is evolving. So are efforts to fight back

    Researchers discuss effective ways to counter the changing tactics of climate denial.

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  4. Health & Medicine

    Cleaning indoor air may prevent COVID-19’s spread.