Search Results for: mutations

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2,460 results

2,460 results for: mutations

  1. The Bad Seed

    Researchers are racing to identify tumor-forming stem cells in skin, lung, pancreatic, and many other cancers.

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  2. Health & Medicine

    AIDS Vaccine Tests Well in Monkeys

    An experimental AIDS vaccine bolstered with two immune proteins protects rhesus monkeys from the disease even when they are exposed to a combination of simian and human immunodeficiency virus.

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  3. Losing Rhythm: Gene mutation causes heart problems

    Chinese researchers have for the first time identified a genetic defect that causes atrial fibrillation, a disorder in which the heart's upper chambers beat irregularly and too rapidly.

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  4. Anthropology

    Cannibalism’s DNA Trail: Gene may signal ancient prion-disease outbreaks

    Cannibalism among prehistoric humans may have left lasting genetic marks.

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  5. Humans

    Science News of the Year 2004

    A review of important scientific achievements reported in Science News during the year 2004.

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  6. Health & Medicine

    Gene causes body-fat disorder

    A gene linked to a form of muscular dystrophy also causes a disease that deposits fat unevenly after puberty.

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  7. Health & Medicine

    Cluster Buster: Might a simple sugar derail Huntington’s?

    A study in mice with a disease resembling Huntington's shows that a simple sugar impedes the protein aggregation that kills brain cells.

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  8. Brain-Cell Loss Found in Narcolepsy

    The puzzling sleep disorder known as narcolepsy stems from the destruction of a small group of brain cells.

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  9. Livers: Better late than never

    Drawing on an ancient Greek myth, researchers have given the name prometheus to a mutant strain of zebrafish that appear to have no liver early in their lives.

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  10. Anthropology

    Humanity’s pedestal lowered again?

    A new genetic study reaches the controversial conclusion that chimpanzees belong to the genus Homo, just as people do.

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  11. Don’t Let the Bugs Bite

    Using disease-control strategies based on genetic engineering, scientists are working to counter Chagas' disease, malaria, sleeping sickness, and other insectborne infections.

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  12. 19306

    Your article ends with the claim that “a color-blind person and a noncarrier have no chance of having a color-blind child.” Yet as I recall from basic biology class, color blindness is considered a prime example of a sex-linked trait, which makes the above statement untrue. Carried on the X chromosome, the trait would manifest […]

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