Earth

  1. Earth

    Water, water, not everywhere

    Satellites show a drop in Earth’s groundwater levels.

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  2. Oceans

    News Detective: Learning to Surf

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  3. Tech

    News Detective: Into the depths

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  4. Earth

    Eastern quakes can trigger big shakes

    Scientists study the widespread impacts of tremors east of the Rockies.

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  5. Climate

    Question Sheet: Cold House, Hot House, Green House

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  6. Agriculture

    Weed wars

    Farmers fight unwanted plants among crops.

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  7. Climate

    Dirty clouds change rainfall

    Scientists find a link between air pollution and extremes in rainfall.

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  8. Animals

    Tiny earthworms’ big impact

    Invasive earthworms change North American landscapes, for better or worse.

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  9. Climate

    Did Columbus contribute to a Little Ice Age?

    Scientist shows a surprising link between the explorer and a dip in temperatures.

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  10. Environment

    Ozone hits a new low

    Scientists discover a major thinning in the protective atmosphere over Arctic.

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  11. Earth

    Big rocks’ balancing acts

    Scientists study how balanced boulders resist falling over — and what that may say about earthquakes.

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  12. Environment

    Cleaning clothes dirties oceans

    Washing polyester fabrics sends plastics to sea.

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