Search Results for: mutations

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2,456 results

2,456 results for: mutations

  1. Life

    Unhelpful adaptations can speed up evolution

    Unhelpful changes in gene activity stimulate natural selection.

    By Tina Hesman Saey
  2. Health & Medicine

    Blood test can predict breast cancer relapse

    Blood tests for breast cancer DNA can predict relapse.

    By Tina Hesman Saey
  3. Health & Medicine

    Recent advances may improve Jimmy Carter’s chances against melanoma

    Improvements in melanoma treatment over the last five years may aid former President Jimmy Carter’s battle against the disease.

    By Tina Hesman Saey
  4. Genetics

    How Ethiopian highlanders adapted to breathe thin air

    Lower levels of a heart protein may help Ethiopian highlanders breathe thin air, researchers report.

    By Helen Thompson
  5. Genetics

    The human genome takes shape and shifts over time

    Scientists are mapping and modeling the 4-D human genome to get beyond its linear structure.

    By Sarah Schwartz
  6. Genetics

    Mutation-disease link masked in zebrafish

    Zebrafish study shows organisms can work around DNA mutations.

    By Tina Hesman Saey
  7. Health & Medicine

    Resveratrol’s anticancer benefits show up in low doses

    Small amounts of the compound found in red wine and grapes prove protective against colon cancer in mice fed a high-fat diet.

    By Tina Hesman Saey
  8. Genetics

    Gene therapy restores hearing in mice

    Scientists have used gene therapy to restore hearing in deaf mice.

    By Sarah Schwartz
  9. Health & Medicine

    Genetic tweak turned plague bacterium deadly

    Two genetic changes allowed plague bacteria to cause deadly lung infections and pandemic disease.

    By Sarah Schwartz
  10. Genetics

    Ebola continues to shift, but grows no more fatal

    In the West African epidemic, Ebola evolved and spread quickly, but the virus is not becoming deadlier over time.

    By Sarah Schwartz
  11. Health & Medicine

    New cancer drugs wake up sleeping killer T cells

    The immune system’s T cells, often evaded by tumors, might now resume the attack.

    By Nathan Seppa
  12. Life

    Aging: Nature’s way of reducing competition for resources

    Aging may have developed in many species as a genetic mechanism to conserve future resources. If the controversial proposal is true, then scientists may be able to greatly extend life span by deactivating the machinery for aging embedded in our DNA.

    By Andrew Grant