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2,451 results

2,451 results for: mutations

  1. Weighting for Friends: Obesity spreads in social networks

    Obesity spreads as a social contagion through networks of friends and relatives, apparently because associating with overweight people encourages a laxer attitude toward weight gain.

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  2. Chemistry

    Energy in Motion

    The molecular machines of living cells harvest energy out of randomness, and scientists are learning how to do the same with artificial molecules.

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  3. Health & Medicine

    Weighty Evidence

    Connections between the family of insulin hormones and cancer have been suspected for more than 2 decades, and today, drug companies are testing anticancer drugs based on the actions of an insulin cousin.

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  4. Health & Medicine

    Dangerous History

    The genome of the TB bacterium has small but significant pockets of diversity, giving scientists new targets for preventing and treating the disease.

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  5. Health & Medicine

    Long-Term Threat

    Survivors of a childhood cancer face a sixfold risk of developing a new cancer later in life, compared with people in the general population.

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  6. Health & Medicine

    Problem Paternity: Older men seem more apt to have autistic kids

    Children born to fathers who are age 40 or older have an increased risk of developing autism.

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  7. Health & Medicine

    Diminishing Obesity’s Risks

    Mouse data suggest that, properly managed, obesity can be benign.

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  8. Derailing a Disease: Stem cells slow dogs’ muscular dystrophy

    Injecting a special type of stem cell into dogs with the canine equivalent of Duchenne muscular dystrophy significantly slowed the disease's progression.

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  9. Health & Medicine

    Defect Detector: Plugging holes in a breast cancer–gene screen

    A genetic test not available in the United States catches many potentially cancer-causing BRCA-gene mutations not detected by the sole U.S. test.

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  10. Earth

    Pollution Fallout: Are unattractive males Great-gram’s fault?

    Pollutant exposures in rodents can have behavioral repercussions that persist generation after generation.

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  11. Health & Medicine

    Defenses Down: Mutation boosts West Nile risk

    A genetic mutation has been identified that increases a person's susceptibility to West Nile virus.

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  12. Health & Medicine

    Better Blood: New tool removes agent of brain disease

    Scientists have developed a device that filters from blood the mutant proteins that cause the human form of mad cow disease, an advance that may hold promise for increasing the safety of donated blood.

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