Search Results for: mutations

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87 results
  1. Animals

    In the Eye of the Tiger

    Global spread of Asian tiger mosquito could fuel outbreaks of tropical disease in temperate regions.

  2. Animals

    Evolutionary enigmas

    Comb jelly genetics suggest a radical redrawing of the tree of life.

  3. Animals

    Lost to history: The “churk”

    More than a half-century ago, researchers at the Beltsville Agricultural Research Center outside Washington, D.C., engaged in some creative barnyard breeding. Their goal was the development of fatherless turkeys — virgin hens that would reproduce via parthenogenesis. Along the way, and ostensibly quite by accident, an interim stage of this work resulted in a rooster-fathered hybrid that the scientists termed a churk.

  4. Life

    Molecular Evolution

    Investigating the genetic books of life reveals new details of 'descent with modification' and the forces driving it.

  5. Animals

    Aphids make their own bright colors

    The insects’ ancestors adapted fungal DNA for manufacturing vital compounds.

  6. Genetics

    Dog gene heeds call of the wild

    Domesticated dogs passed a gene for dark fur color to their wild cousins.

  7. Health & Medicine

    Genome 10K: A new ark

    Featured blog: Researchers are working to catalog the DNA sequences of just about every vertebrate genus.

  8. Life

    Darwin’s Evolution

    Darwin's life and his contribution to science.

  9. Animals

    Wild innovation

    Researchers have published a rare description of a wild chimpanzee devising and modifying a novel form of tool use.

  10. 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.

  11. Animals

    Poor Devils: Critters’ fights transmit cancer

    Tasmanian devils transmit cancer cells when they bite each other during routine squabbles, producing lesions that are often fatal.

  12. Animals

    Dangerous Times: Guppies don’t follow rules for old age

    A study of wild guppies suggests that life in a dangerous place does not automatically push evolution toward rapid aging as previously thought.