Search Results for: mutations

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2,462 results

2,462 results for: mutations

  1. Evolution’s Wedges

    Finding the genes that drive one species into two.

    By Daniel Strain
  2. Life

    Undereducated immune cells get aggressive with HIV

    Scientists discover a mechanism that makes some people resistant to infection with the AIDS virus.

    By Tina Hesman Saey
  3. Health & Medicine

    Gene linked to pain perception

    A common genetic variant that appears to increase sensitivity could lead to the development of better medications.

    By Laura Sanders
  4. Archaeology

    Skeleton of Western man found in ancient Mongolian tomb

    A genetic analysis of a skeleton from an ancient Asian tomb illuminates the spread of Indo-Europeans.

    By Bruce Bower
  5. Humans

    BPA induces sterility in roundworms

    Bisphenol A does a real number on the genes responsible for successful reproduction in a 1-millimeter-long soil-dwelling roundworm. And that suggests BPA might pose similar risks to people because geneticists are finding that this tiny critter can be a remarkably useful “lab rat” — predicting impacts in mammals, including us.

    By Janet Raloff
  6. Health & Medicine

    Vital flaw

    Liver cells that inherit the wrong number of chromosomes often do just fine, and may even have some advantages.

    By Tina Hesman Saey
  7. Health & Medicine

    What’s missing may be key to understanding genetics of autism

    A large study of people with the developmental disorder reveals the importance of extremely rare variations in genes, making each case a bit different.

    By Tina Hesman Saey
  8. Health & Medicine

    Childhood leukemia worsened by genetic mutations

    Mutations in JAK genes make childhood leukemia more dangerous and may offer a target for drug manufacturers.

    By Nathan Seppa
  9. Health & Medicine

    Newly discovered antibodies may boost AIDS vaccine research

    Inducing production of these potent HIV neutralizers will pose a challenge.

    By Nathan Seppa

  10. Book Review: The Language of Life: DNA and the Revolution in Personalized Medicine by Francis S. Collins

    Review by Rachel Zelkowitz.

    By Science News
  11. Life

    Disabling cellular assassin prevents cancer

    A counterintuitive experiment may help explain why survivors are more vulnerable to other malignancies later in life.

    By Tina Hesman Saey
  12. Anthropology

    Lice hang ancient date on first clothes

    Genetic analysis puts garment origin at 190,000 years ago.

    By Bruce Bower