Search Results for: Geology

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7,847 results

7,847 results for: Geology

  1. Earth

    Quick Bite: Some gorges carved surprisingly fast

    Analyses of rock samples from two river gorges along the Atlantic seaboard suggest that the largest parts of those chasms were carved during a geologically short period at the height of the last ice age.

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  2. Earth

    Long dry spell

    Falling reservoir levels in the western United States are just one symptom that the region is suffering through a drought that may be the worst to strike in the past 500 years.

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  3. Earth

    Fighting Water with Water: To lift the city, pump the sea beneath Venice

    With technology commonly used in oil fields, engineers could inject large volumes of seawater into sandy strata deep beneath Venice, Italy, to reverse the ground subsidence that plagues the city.

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  4. Planetary Science

    Roving on the Red Planet

    Scientists review the discoveries made by the Mars rovers after nearly 18 months on the Red Planet.

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  5. Earth

    Wafting pesticides taint far-flung frogs

    Agricultural pesticides blowing into California's wilderness areas have played a role in mysterious declines in frog populations.

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  6. Planetary Science

    Titanic Close-up: Cassini eyes Saturn’s big moon

    Using radar to penetrate the thick haze surrounding Saturn's moon Titan, the Cassini spacecraft has found evidence that the moon's surface is coated with hydrocarbons and dark patches that might be lakes of ethane or methane.

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  7. Earth

    Geyser Bashing: Distant quake alters timing of eruptions

    A powerful earthquake that struck central Alaska on Nov. 3, 2002, changed the eruption schedule of some geysers in Wyoming's Yellowstone National Park, more than 3,100 kilometers away.

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  8. Paleontology

    Fossil Fingerprints: Rare earths tie bones to burial ground

    The soil in which fossilization occurs leaves a chemical imprint on the bones, suggesting that scientists can use this soil signature to identify more precisely a fossil's original home.

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  9. Paleontology

    Rare English bits are oldest known charcoal

    Analyses of small black chunks of material extracted from 420-million-year-old rocks found along the England-Wales border suggest that they're remnants of the earliest known wildfire.

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  10. Humans

    From the December 15 & 22, 1934, issues

    Life on Mars, a substitute for morphine, the statistics of human behavior, ice and snow, and the top science stories of the year (1934).

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  11. Earth

    Desert Life

    What is a desert? How many deserts are in North America? This extensive Web site offers information about the desert environment and the unique characteristics that define the beautiful desert landscapes of the U.S. Southwest. It includes images, stories, movie and audio clips, and virtual-reality tours on many desert-related topics, from plants and animals to […]

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  12. Humans

    What’s Wrong with This Picture?

    Scientists and educators increasingly are using analyses of bad science in movies, as well as the good, to inform the public about scientific facts and principles.

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