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  1. Health & Medicine

    Researchers target sickle-cell cure

    Using stem cell transplants and a compound called antithymocyte globulin, researchers in Paris have cured 59 of 69 children of sickle-cell disease.

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  2. Earth

    Rivers run to it

    Increasing freshwater discharges into Arctic waters could disrupt important patterns of deep-water ocean circulation that affect climate.

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  3. Chemistry

    Soy and oat combo protects against UV

    Soybean oil and a natural chemical in oat bran have been chemically combined to make a new sunscreen.

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  4. A fish’s solution to broken hearts

    The zebrafish can regenerate missing heart muscle.

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  5. 19218

    Thank you for the article about the wild Bactrian camel. However, one false impression needs correction. The Wild Camel Protection Foundation (WCPF) is not planning a program of captive wild camel embryo transfer in order to release the offspring into the wild. The program’s immediate aim is to increase the number of captive wild stock […]

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  6. Animals

    Camelid Comeback

    The future of vicuñas in South America and wild camels in Asia hinges on decisions being made now about their management.

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  7. Astronomy

    Model Tracks Storms from the Sun

    Teams of astronomers have developed a reliable method for predicting the time it takes for solar storms to arrive at Earth and have gathered observations confirming a model of how the sun's outer atmosphere, or corona, manages to store up enough magnetic energy to induce these upheavals.

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  8. 19217

    Sorry to be paranoid, but if the technology exists to make scratches on bullets that are exact duplicates for use in testing, does not the ability also exist to produce a bullet supposedly from a shooting victim that’s an exact match to one fired from your gun? Harold ReedMilledgeville, Ga. Fingerprints and DNA are useful […]

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  9. Tech

    A Shot in the Light

    Bullet replicas that look on a microscopic level like they've been fired from a gun—even though they haven't—enable forensics specialists to fine-tune as never before instruments to automatically match bullets from crime scenes.

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  10. Humans

    From the June 14, 1930, issue

    WELLAND CANAL Slightly more than a century after the falls and rapids of Niagara were first overcome for water transportation by a canal only 8 feet deep, there has been completed on practically the same site a mammoth structure that will pass giant 600-foot lake grain vessels up and down the 326.5-foot difference in elevation […]

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  11. Health & Medicine

    Snow and Cholera

    Most people have heard of cholera, but few know anything about John Snow, the British doctor who determined how the disease is spread. Epidemiologist Ralph R. Frerichs of the University of California, Los Angeles School of Public Health has created a Web site devoted to Snow’s life and accomplishments, including such items as the full […]

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  12. Humans

    From the January 7, 1933, issue

    ATOM BUILDING KEEPS STARS SHINING, SAYS A.A.A.S. HEAD The building up of other heavier atoms out of hydrogen stokes the internal heat of the stars, including the sun, Prof. Henry Norris Russell, Princeton University astronomer recently elected president of the American Association for the Advancement of Science, suggested in the Maiben lecture before the Association. […]

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