Search Results for: mutations

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2,449 results

2,449 results for: mutations

  1. Humans

    Science News of the Year 2005

    A review of important scientific achievements reported in Science News during the year 2005.

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  2. Learning to Listen

    Disparate groups of creatures, including bats, toothed whales, and birds, have evolved biological sonar that they use to track prey, but other creatures have evolved ways to detect this sonar and thereby increase their odds of survival.

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  3. Materials Science

    Something to Chew On

    Researchers are closer than ever to making synthetic enamel to improve dental implants and perhaps to grow a whole tooth from scratch.

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  4. A Matter of Taste: Mutated fruit flies bypass the salt

    By creating mutant fruit flies with an impaired capacity to taste salt, researchers have identified several genes that contribute to this sensory system in insects.

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  5. Milked enzyme thwarts muscle disorder

    Using an enzyme made in rabbit's milk, scientists have successfully treated a rare genetic disorder.

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  6. Clearing Up Blurry Vision: Scientists gaze toward causes of myopia

    Scientists are beginning to unravel the genetic mechanism that causes nearsightedness.

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  7. Sunny Solution: Lotion speeds DNA repair, protects mice from skin cancer

    Snippets of DNA that activate a cell's DNA repair process may protect mice from skin cancer caused by ultraviolet radiation.

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  8. Bubble Trouble: Mad cow proteins may hitch a ride between cells

    Prions, the proteins behind mad cow disease, may travel between cells in bubbles called exosomes.

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  9. Ecosystems

    One-Celled Socialites

    A wave of research on the social lives of bacteria offers insights into the evolution of cooperation and may lead to medical breakthroughs that neutralize virulent bacterial strains.

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  10. Anthropology

    Y Trail of the First Americans: DNA data point to late New World entry

    Scientists identified a gene variant on the Y chromosome that allowed them to estimate that people first reached the Americas no earlier than about 18,000 years ago.

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  11. First Plant Genome Thrills Biologists

    The unveiling of the genetic blueprint of the tiny thale cress ushers in a new era in plant biology.

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  12. Cleft-lip mutations may hinder virus

    Having identified the mutated gene responsible for a syndrome involving cleft lip or palate, a research team finds that the recessive mutation also may confer an antiviral advantage to people who carry one copy of this gene.

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