Search Results for: Geology

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7,846 results

7,846 results for: Geology

  1. Earth

    GPS bolsters view that big Cascadia quakes could hit inland

    Satellite tracking of plate movements shows that a magnitude-9 tremor in Pacific Northwest could strike close to urban areas.

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  2. Space

    Titan may host prebiotic brew

    Saturn’s moon Titan may harbor a prebiotic mix of chemicals similar to those present at the dawn of life on Earth.

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  3. Earth

    Age of solar system needs a fresh look

    Honed measurements show age overshot by amount significant to earliest stage of formation.

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  4. Earth

    Small earthquakes may not predict larger ones

    Quakes far from tectonic plate boundaries may simply be aftershocks of ancient temblors.

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  5. Anthropology

    Ancient Maya king shows his foreign roots

    Copán’s first king may have been part of a colonial expansion by another, distant Maya kingdom.

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  6. Earth

    Johnstown Flood matched volume of Mississippi River

    A modern survey of terrain determines flow rate of the 1889 flood that was one of America's deadliest disasters.

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  7. Space

    Volcanic and ferric surprises on Mercury

    Volcanic activity is more recent than expected, MESSENGER shows on its third flyby of the planet. Also, surface iron occurs as oxides.

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  8. Agriculture

    EPA reviews hints of weed killer’s fetal risks

    The Environmental Protection Agency will be convening meetings of its Scientific Advisory Panel on pesticides throughout 2010 to probe concerns about the safety of atrazine, a weed killer on which most American corn growers rely. The first meeting of these outside experts started Tuesday. And although a large number of studies have indicated that atrazine can perturb hormones in animals and human cells — and might even pose a possible risk of cancer amongst heavily exposed people, these outcomes were not the focus of EPA’s review Tuesday. Risks to babies were.

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  9. Physics

    A very special snowball

    The long-predicted ice XV has been spotted in the lab.

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  10. Engineering a cooler Earth

    Researchers brainstorm radical ways to counter climate change.

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  11. Earth

    Arctic images declassified

    High-res Arctic sea images should be declassified, says National Research Council.

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  12. Earth

    Unusual advances

    New glacier model helps explain how ice masses can grow even in a generally warming climate.

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