Search Results for: Geology

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7,845 results

7,845 results for: Geology

  1. Planetary Science

    Life-friendly environment confirmed on Mars

    Drill sample from bedrock reveals chemistry that could have supported microbial life.

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  2. Earth

    Life under ice

    Lake Vostok may harbor ingredients for a complex subglacial ecosystem.

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  3. Earth

    Grand Canyon could be much older than thought

    Disputed dating of rock erosion pegs the ancient chasm as 70 million years old.

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  4. Paleontology

    The Last Lost World

    Ice Ages, Human Origins, and the Invention of the Pleistocene, by Lydia V. Pyne and Stephen J. Pyne.

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  5. Earth

    Intraplate quakes signal tectonic breakup

    The unusual April temblors are the latest in a massive energy release that is cleaving the Indo-Australian crustal plate in two.

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  6. Planetary Science

    Young scientist crosses fingers for Mars rover

    Ryan Anderson’s graduate work helped researchers select Curiosity’s landing site in Gale Crater.

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  7. Letters

    Fractious debateRachel Ehrenberg’s feature story on hydraulic fracturing “The Facts Behind the Frack,“ (SN: 9/8/12, p. 20) spurred a big response from readers. We received letters voicing strong opinions on both sides of the fracking debate. The article was intended as an overview of what science has to say about the risks of fracking and, due […]

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  8. Oceans

    Soundings

    The Story of the Remarkable Woman Who Mapped the Ocean Floor by Hali Felt.

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  9. Space

    First rock from the sun turns out to have ice

    Frozen material at the planet’s poles likely came from comet or asteroid impacts.

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  10. Earth

    The facts behind the frack

    The gas, primarily methane, is cheap and relatively clean. Because America is brimful of the stuff, harvesting the fuel via fracking could provide the country jobs and reduce its dependence on foreign sources of energy.

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  11. BOOK REVIEW: Under the Surface: Fracking, Fortunes and the Fate of the Marcellus Shale by Tom Wilber

    Review by Rachel Ehrenberg.

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  12. Earth

    Mexican silver made it into English coins

    Chemical tests of currency help reveal where New World riches flowed.

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