Uncategorized

  1. Math

    From Counting to Writing

    Counting and numbers played a crucial role in the development of writing.

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  2. Quark Colors

    The Jefferson Lab (Thomas Jefferson National Accelerator Facility) in Newport News, Va., offers a six-page coloring book devoted to particle physics and quarks. Use a flash plug-in or download a copy to color the pages and learn about the fundamental particles of matter. Go to: http://education.jlab.org/coloringbook/index.html

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  3. Humans

    From the March 7, 1936, issue

    Canadian caves, television field tests, and violin makers' secrets.

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  4. Earth

    Vesuvius’ Shadow: A major volcanic blast could threaten Naples

    When Italy's Mount Vesuvius begins to rumble again, nearby Naples may be in danger.

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  5. Fit Moms, Brainier Babies: Exercising mothers provide neurological benefits

    Offspring of mice that jogged each day during pregnancy may have a mental advantage over pups of sedentary moms.

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  6. Health & Medicine

    Ear Protection: Combo vaccine prevents some infections

    A vaccine that triggers immunity against two common bacteria can prevent many ear infections in babies.

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  7. Earth

    Crater in the sand

    Researchers analyzing satellite images of the Sahara Desert have discovered the region's largest impact crater.

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  8. Tech

    Meddling with Metal: Novel nanocontrol yields chromium rival

    A new, nontoxic alloy that might reduce use of toxic chromium springs from a novel way to manipulate crystalline metal structures via precise control of their atomic composition.

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  9. Anthropology

    Polynesian Latecomers: Easter Islanders took fast track to culture

    New radiocarbon dates from Easter Island indicate that the isolated Polynesian island was first colonized around A.D. 1200, up to 800 years later than had previously been thought.

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  10. 19652

    In your article you report, “Every 4 years, each volunteer completed a questionnaire about his body weight and dietary habits.” Any dieter knows that it is next to impossible to remember what one has eaten 4 days ago. Any more details on how the data was acquired and validated? Ivan MannHoover, Ala. Volunteers were asked […]

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  11. Health & Medicine

    Got Data? Consuming calcium, dairy doesn’t keep off weight

    Dairy products and other calcium-containing foods don't prevent weight gain, according to a 12-year study of middle-aged men.

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  12. Astronomy

    Magnetic Memory: New model forecasts solar storms

    A new computer model predicts that the next solar-activity cycle won't begin until late 2008, a year later than the sun's standard cycle would forecast.

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