Search Results for: mutations

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2,456 results

2,456 results for: mutations

  1. Health & Medicine

    2013 American Association for Cancer Research meeting

    Highlights from the annual AACR meeting include ovulation’s impact on cancer risk and an experimental drug’s promising performance against leukemia.

    By Science News
  2. Health & Medicine

    Experimental malaria drug may be a hot prospect

    A synthetic compound attacks the parasite at three stages of infection, early tests show.

    By Nathan Seppa
  3. Life

    Giant squid population is one big happy species

    Elusive deep ocean dwellers have low genetic diversity despite living around the globe.

    By Tina Hesman Saey
  4. Life

    Alga borrows genes to beat the heat, acid and toxic metals

    Such genetic theft from bacteria and archaea is unusual among eukaryotes.

    By Tina Hesman Saey
  5. Health & Medicine

    Baby may be cured of HIV

    Only viral traces remain after prompt treatment of newborn, suggesting no working virus is left in the girl’s body.

    By Nathan Seppa
  6. Life

    Ancestors of today’s placental mammals may never have shared the Earth with dinosaurs

    A newly constructed family tree dovetails with the fossil record, but differs considerably from previous genetic studies by suggesting that placental mammals emerged after the dinosaur extinction.

    By Erin Wayman
  7. Life

    Pigeons’ prominent plumage traces to one gene

    A mutation responsible for ruffs, crests and collars appears to have arisen once and then passed among species through breeding.

    By Tina Hesman Saey
  8. Humans

    H5N1 influenza research moratorium ends

    Scientists lift self-imposed moratorium on research that would make avian flu transmissible among humans.

    By Tina Hesman Saey
  9. Health & Medicine

    Updated Pap smear detects ovarian, uterine cancers

    Adding a genetic analysis to the procedure reveals mutations specific to the two malignancies.

    By Nathan Seppa
  10. Life

    Pressure keeps cancer in check

    In lab experiments, physically confining malignant cells prevents runaway growth.

    By Tina Hesman Saey
  11. Humans

    Genetic diversity exploded in recent millennia

    Among hundreds of thousands of DNA variants identified in a study, a large majority arose in the past 5,000 years.

    By Tina Hesman Saey
  12. Life

    Cancer cells self-destruct in blind mole rats

    Underground rodents evolved a way to zap mutating tissue.

    By Tina Hesman Saey