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  1. Readers discuss a subglacial cavern, how language shapes the brain and more

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  2. Climate

    Wildfire smoke is blanketing the U.S. East Coast. It won’t be the last time

    Climate change will continue to exacerbate fire risk across the world’s boreal forests, making events like the dangerous smoke over the U.S. East Coast more common.

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  3. Environment

    Rising groundwater threatens to spread toxic pollution on U.S. coastlines

    Sea level rise is pushing groundwater into shallower layers of earth, threatening to spread hazardous chemicals from contaminated soils.

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  4. Environment

    Surviving a drought may help forests weather future dry spells

    Climate change is making droughts more intense and frequent, but conifer forests have a trick up their sleeve, airplane and satellite data show.