Earth

  1. Climate

    Climate change carved canyons in Andes

    Erosion came thanks to cooling and more rain, not tectonic activity.

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  2. Climate

    The Attacking Ocean

    The Past, Present, and Future of Rising Sea Levels by Brian Fagan.

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  3. Earth

    Emissions could fuel global warming for millennia

    Climate simulation projects effects of greenhouse gases farther into the future than ever before.

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  4. Earth

    Magma can speed to the surface, powering volcanoes

    Fast ascent of molten rock could help scientists predict eruptions.

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  5. Climate

    Wetter permafrost clings to carbon better

    In 12-year lab study, moist soil samples released less greenhouse gas as they warmed.

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  6. Environment

    Atomic ant sand

    Robb Hermes asked for sand ants to get samples of Trinitite, a material created in the test blasts of the first atomic bomb.

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  7. Earth

    Millions of years ago, frozen ice sheet in East Antarctica melted

    Warming may have caused ice sheet collapse and huge increase in sea level.

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  8. Earth

    Huge quakes may foretell smaller, human-caused ones

    Distant powerful temblors triggered ominous activity at wastewater injection sites.

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  9. Earth

    Taking Antarctica’s temperature

    Frozen continent may not be immune to global warming.

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  10. Earth

    Every six years, Earth spins slightly faster and then slower

    Changes in day length linked to workings of Earth's core.

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  11. Earth

    Faults can reseal months after quakes

    Measurements in southern China find quick healing of fractured rock.

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  12. Chemistry

    High methane in drinking water near fracking sites

    Well construction and geology may both play a role in pollution.

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