Search Results for: mutations

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2,451 results

2,451 results for: mutations

  1. Life

    A better understanding of inherited breast cancer

    New studies on a type of inherited breast cancer identify a key factor with different roles in different cancers.

    By Laura Sanders
  2. Health & Medicine

    Early intellectual gap found for kids of older fathers

    A reanalysis of data from more than 33,000 U.S. children finds that those with older fathers fared somewhat poorer on intelligence tests than those with younger fathers, regardless of mothers’ ages.

    By Bruce Bower
  3. Chemistry

    Flowerless plants make fancy amber

    A new analysis suggests that ancient seed plants made a version of the fossilized resin credited to more modern relatives

    By Rachel Ehrenberg
  4. Health & Medicine

    New embryonic stem cells ratted out

    Overcoming obstacles, scientists have created stable embryonic stem cells from rats. Researchers hope their method will prove useful as a general recipe for isolating stem cells from other mammals.

    By Laura Sanders
  5. Health & Medicine

    Genome 10K: A new ark

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

    By Janet Raloff
  6. Health & Medicine

    From three to four chambers

    Scientists identify gene that may shape the heart.

    By Laura Sanders
  7. Chemistry

    FBI reveals more details of anthrax investigation

    A panel of scientists involved in the anthrax investigations released new details.

    By Rachel Ehrenberg
  8. Life

    Four marmosets are first transgenic primates

    Scientists in Japan have successfully introduced a foreign gene into a primate species for the first time, opening a new avenue for modeling human diseases, particularly brain disorders.

    By Tina Hesman Saey
  9. Life

    Old gene, short new trick

    A single genetic modification is linked to the stature of short-legged dog breeds, new research shows.

    By Laura Sanders
  10. Archaeology

    Engraved pigments point to ancient symbolic tradition

    Analyses of patterns incised on pieces of ancient pigment indicate that people in southern Africa passed along symbolic practices from 100,000 to 75,000 years ago, scientists say.

    By Bruce Bower
  11. Life

    Replaying evolution

    By watching bacteria evolve in the lab for 20 years, researchers show that evolution may be rather capricious.

    By Patrick Barry
  12. Life

    Protein crucial in preventing Parkinson’s

    By destroying bad mitochondria, Parkin protects cells

    By Tina Hesman Saey