Search Results for: mutations

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2,477 results

2,477 results for: mutations

  1. Math

    Computation’s New Leaf

    Plants in which large numbers of simple units interact with one another appear to compute how to coordinate the actions of their cells effectively.

    By Erica Klarreich
  2. Computing

    Straining for Speed

    Hitting fundamental limits on how small they can make certain structures within semiconductor transistors, chip makers are deforming the silicon crystals from which those transistors are made to eke out some extra speed.

    By Peter Weiss
  3. Health & Medicine

    Inflammatory Fat

    Immune system cells may underlie much of the disease-provoking injury in obese individuals that has been linked to their excess fat.

    By Janet Raloff
  4. Health & Medicine

    Born to Heal

    The controversial strategy of screening embryos to produce donors for siblings raises hopes and presents new ethical dilemmas.

    By Ben Harder

  5. The Bad Seed

    Researchers are racing to identify tumor-forming stem cells in skin, lung, pancreatic, and many other cancers.

    By John Travis
  6. Health & Medicine

    All Roads Lead to RUNX

    Genetic mutations that predispose some people to the autoimmune diseases lupus, psoriasis, and rheumatoid arthritis appear to have a common molecular feature: They derail the work of a protein, called RUNX1, that regulates how active certain genes are.

    By Ben Harder
  7. Health & Medicine

    Narcolepsy Science Reawakens

    Recent advances in understanding the biological underpinnings of narcolepsy have created a new diagnostic tool and point toward possible future therapies.

    By Ben Harder

  8. Comfortably Numb

    Scientists are finding the molecular targets of anesthetics.

    By John Travis

  9. Don’t Let the Bugs Bite

    Using disease-control strategies based on genetic engineering, scientists are working to counter Chagas' disease, malaria, sleeping sickness, and other insectborne infections.

    By Ben Harder
  10. Health & Medicine

    Figuring Out Fibroids

    Researchers now have a better understanding of which women develop fibroids and what causes them.

    By Ben Harder
  11. Anthropology

    In the Neandertal Mind

    Neandertals possessed much the same mental capacity as ancient people did, but a genetically inspired memory boost toward the end of the Stone Age may have allowed Homo sapiens to prosper while Neandertals died out.

    By Bruce Bower
  12. Health & Medicine

    Assault on Autism

    A shift in scientific thinking about what causes autism is prompting a closer look at potential environmental factors.

    By Diana Parsell