Search Results for: mutations

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2,414 results
  1. Health & Medicine

    Malaria Reversal: Drug regains potency in African nation

    An inexpensive drug that had lost much of its punch against malaria over the past 20 years is showing signs of regaining its strength in the African nation of Malawi.

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  2. Earth

    Hammered Saws

    Sawfish, shark relatives that almost went extinct several decades ago, have now gained protection by international treaty.

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  3. Chemistry

    Spore-detecting diving board

    Researchers have demonstrated a new way to detect bacteria.

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  4. Anthropology

    Did small hominids have a genetic defect?

    Miniature humans whose prehistoric remains were recently unearthed on an Indonesian island may have had a genetic disease known as Laron syndrome.

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  5. Anthropology

    Evolution persisted in agricultural era

    Natural selection has continued to propagate survival-enhancing gene variants in human populations over the past 10,000 years, according to a new genetic analysis.

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  6. Evolving genes may not size up brain

    Two gene variants previously implicated in the evolution of human brain size apparently don't influence brain volumes in people today.

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  7. Animals

    Crickets on Mute: Hush falls as killer fly stalks singers

    Within just 5 years, singing has nearly died out among a population of cricket on a Hawaiian island.

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  8. 19649

    This article contained a very disturbing comment: “Neurologist Annette Langer-Gould of Stanford University says that even the 1-in-1,000 risk of PML [leukemia] ‘seems to outweigh the benefits’ that natalizumab would provide many patients.” Having a genetic mutation for which there is no treatment or cure and having (and having had) friends with MS, I am […]

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  9. Humans

    Science News of the Year 2007

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

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  10. Faster, Cheaper, Better

    Methods now under development could make DNA sequencing quicker and less expensive, paving the way for the day when treatments can be tailored to each person's genetic profile.

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  11. Health & Medicine

    Fewer Drugs, Same Outcome: Simpler HIV regimens are effective

    In two studies, AIDS clinicians found that standard three-drug regimens fight HIV as well as four-drug treatments do, and that a single drug might maintain a patient's health once the virus is suppressed.

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  12. Earth

    Northern Refuge: White spruce survived last ice age in Alaska

    Genetic analyses of white spruce trees at sites across North America suggest that some stands of that species endured the harsh climate of Alaska throughout the last ice age.

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