Search Results for: mutations

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2,444 results

2,444 results for: mutations

  1. Animals

    Playful pups conceived via in vitro fertilization for the first time

    Scientists have solved the mystery of how to perform in vitro fertilization in dogs, which could help rid canines of heritable diseases.

    By Meghan Rosen
  2. Life

    A healthy old age may trump immortality

    Despite disagreements about what aging is and isn't, scientists have reached a radical consensus: It can be delayed.

    By Tina Hesman Saey
  3. Genetics

    Year in review: Breakthrough gene editor sparks ethics debate

    The gene editing system CRISPR has opened the door to new scientific advancements — and ethical concerns.

    By Tina Hesman Saey
  4. Genetics

    ‘Selfish’ DNA flouts rules of inheritance

    R2d2 is selfish DNA that could skew scientists’ views of adaptation and evolution.

    By Tina Hesman Saey
  5. Genetics

    Early heart attack tied to rare mutations in two genes

    Rare mutations in two genes greatly increase the risk of having a heart attack early in life, a study shows.

    By Ashley Yeager
  6. Genetics

    Rare mutations may protect against heart disease

    Rare mutations in a key gene seem to lower bad cholesterol and provide protection against heart disease.

    By Nathan Seppa
  7. Life

    Superfast evolution observed in soil bacteria

    Natural selection resurrects flagella in soil bacteria in just four days.

    By Helen Thompson
  8. Neuroscience

    Catching Zs may snag memories, too

    Flies genetically destined to be forgetful could boost their memory with sleep.

    By Laura Sanders
  9. Chemistry

    Sugar-cleaving molecule raises hope for universal blood

    An engineered enzyme can quickly slice and dice some A and B markers from blood cells, bringing researchers closer to creating universal blood.

    By Beth Mole
  10. Genetics

    Ebola virus evolution tracked by genetic data

    Analysis of Ebola genomes shows how the virus has evolved and some of the mutations that may thwart treatments.

    By Ashley Yeager
  11. Genetics

    Catalog of DNA modifications produces surprises

    A map of chemical modifications of DNA and its associated proteins shows how the genome changes during development and disease.

    By Tina Hesman Saey
  12. Life

    Vaccines may offer defense against dengue, Zika and chikungunya

    Mosquitoes carry several harmful viruses—dengue, Zika, chikungunya. Vaccines may be the best means of defense.

    By Laura Beil