Earth

  1. Environment

    Suffocating waters

    Coastal animals around the world are spending more time in or around waters with too little oxygen.

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  2. Earth

    Twist and shake

    A new look at the shape of the San Andreas Fault suggests future earthquakes may be stronger than previously thought.

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  3. Climate

    Sudden big chill

    Earth’s climate cooled quickly at the beginning of the Little Ice Age, hundreds of years ago.

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  4. Earth

    A ghost lake

    Scientists study an ancient lake that once covered much of Utah to learn lessons for the future.

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  5. Environment

    Climate coolers

    Reducing methane, soot in the atmosphere could curb climate change.

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  6. Environment

    ‘Nonstick’ chemicals may undercut value of vaccinations

    Chemicals used to make fabrics stain resistant and pans stick resistant are showing up everywhere — including in kids. One big downside: New data show they can keep vaccines from working well.

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  7. Earth

    Water, water, not everywhere

    Satellites show a drop in Earth’s groundwater levels.

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  8. Oceans

    News Detective: Learning to Surf

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  9. Tech

    News Detective: Into the depths

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  10. Earth

    Eastern quakes can trigger big shakes

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

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  11. Climate

    Question Sheet: Cold House, Hot House, Green House

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  12. Agriculture

    Weed wars

    Farmers fight unwanted plants among crops.

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