Earth's Systems

  1. Climate

    Last year’s strong El Niño is gone. Next up: La Niña

    The 2015 to 2016 El Niño was one of the three strongest on record. It’s now over. Climate experts now predict a La Niña is on its way.

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  2. Tech

    Concrete science

    Teen researchers are exploring ways to strengthen this building material, use it for safety purposes and use its discarded rubble.

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  3. Earth

    Dust creates deserts in the sky

    Vast rivers of dust flow through the sky. This invisible force shapes our world in profound ways. And scientists are finally homing in on a major source.

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  4. Earth

    Cool Jobs: Getting to know volcanoes

    It’s too hot to explore the insides of a volcano. These scientists examine their lava, their low-frequency rumblings and their ‘vog’.

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  5. Earth

    Cool Jobs: Mapping the unknown

    Scientists find different ways of exploring places humans will never visit — and drawing maps to help us better understand such mysterious places.

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  6. Earth

    Carbon dioxide could explain how geysers spout

    A new study overturns 150 years of thinking about Yellowstone’s geysers. Carbon dioxide, not just hot water, may be driving those spectacular eruptions.

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  7. Chemistry

    Particles in air help fatten clouds’ water droplets

    Making their own clouds has shown scientists how the fattest water droplets form. Understanding this could lead to better forecasts of climate change.

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  8. Earth

    Quake risk in some central states rivals California’s

    Risks of tremors in some central U.S. states are as high as those in quake-prone California. The reason: waste fluids from oil and gas drilling.

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  9. Chemistry

    Smash hit: Making ‘diamond’ that’s harder than diamonds

    Scientists had suspected extreme meteorite impacts might turn graphite into an unusual type of diamond. Now they’ve seen it happen — in under a nanosecond.

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  10. Earth

    Bubbles may have sheltered Earth’s early life

    For Earth’s earliest inhabitants, a bubble on the beach would have been the next best thing to a safety blanket.

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  11. Oceans

    Arctic ice travels fast, carrying pollution

    Climate change is melting old sea ice in the Arctic. Now, younger, thinner ice is migrating far and fast, taking pollutants with it.

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  12. Earth

    Mystery ‘earmuffs’ sit deep inside Earth

    Two vast blobs in Earth’s lower mantle could result from a “trainwreck” of ancient colliding tectonic plates.

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