Uncategorized

  1. 19559

    It was interesting to read of processing mundane noise to produce an ultrasound image of the geology of Los Angeles. A big question in the state is the deep structure of San Francisco Bay. Clearly, the bay and the valleys extending to its northwest and southeast form a rift valley. But it’s difficult to observe […]

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  2. Earth

    Seismic noise can yield maps of Earth’s crust

    The small, random, and nearly constant seismic waves that travel in all directions through Earth's crust can be used to make ultrasoundlike images of geologic features within the crust.

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  3. Health & Medicine

    Tracking down an emerging disease

    By examining geographic patterns of outbreaks of a disfiguring skin disease in tropical nations, scientists are finding tentative clues about how the ailment spreads.

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  4. Earth

    . . . and churn up big waves, too

    As Hurricane Ivan approached the U.S. Gulf Coast last September, sensors detected the largest wave ever measured by instruments.

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  5. Earth

    A hurricane can dump a lot of rain . . .

    Hurricanes can drop enormous amounts of precipitation in a short amount of time, a phenomenon that residents of Puerto Rico experienced in spades when Hurricane Georges struck the island in 1998.

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  6. Health & Medicine

    Obesity and insulin resistance age cells

    Conditions known to hasten diabetes in people may also speed aging.

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  7. Plants

    World’s fastest plant explodes with pollen

    A high-speed camera has revealed the explosive pollen launches of bunchberry dogwood flowers as the fastest plant motion known.

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  8. Planetary Science

    Renegade moon

    Saturn's outlier moon Phoebe didn't coalesce from material near the ringed planet but was captured from the distant Kuiper belt.

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  9. 19558

    This article seems determined to impose (not very) modern cultural views on data that do not support them. Females would have benefited from a male “bringing home food”?! To the best of our knowledge Australopithecus afarensis was a foraging species, members of all ages and both sexes eating what they found as they found it. […]

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  10. Anthropology

    Faithful Ancestors

    A controversial fossil analysis supports the view that, more than 3 million years ago, human ancestors living in eastern Africa favored long-term mating partnerships.

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  11. Animals

    Comeback Bird

    Looking for a long-lost woodpecker had its special challenges, including anticipating what would happen if the hunt actually succeeded.

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  12. Math

    Knot an Interchange

    Highway interchanges can get you into knotty situations.

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