Search Results for: mutations

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2,462 results

2,462 results for: mutations

  1. Animals

    Flamboyant old bustards keep showing off

    Among outrageously flirtatious birds called houbara bustards, old males may pay a penalty for years of extreme display.

    By Susan Milius
  2. Plants

    From lemons to kumquats, roots of citrus variety dug up

    Citrus fruits’ lineage is traced through chloroplast DNA, revealing both maternal and paternal heritage.

    By Tina Hesman Saey
  3. Neuroscience

    Alzheimer’s disease may come in distinct forms

    Mouse experiments, if confirmed in people, imply that Alzheimer’s disease treatment should be personalized.

    By Laura Sanders
  4. Health & Medicine

    Hepatitis E vaccine shows strong coverage

    A large trial in China indicates that a vaccine can provide 87 percent protection against the hepatitis E virus, which infects 20 million people a year.

    By Nathan Seppa
  5. Neuroscience

    Girls may require more mutations than boys to develop autism

    New results may help explain why more males wind up with autism.

    By Laura Sanders
  6. Health & Medicine

    There’s no need to panic about enterovirus

    The enterovirus behind this year’s outbreak, EV-D68, has been around for decades and generally causes mild symptoms.

    By Laura Sanders
  7. Science & Society

    The amateur who helped Einstein see the light

    With help from Science News Letter, eccentric amateur Rudi Mandl persuaded Einstein to explore the phenomenon of gravitational lensing.

    By Tom Siegfried
  8. Science & Society

    No matter the language, disease risk is hard to communicate

    Reassuring messages about MERS might seem designed to stop panic. But in reality, people need to hear the truth, even if it’s uncertain.

    By Bethany Brookshire
  9. Genetics

    Scientists find new way to corral genetically engineered bacteria

    Engineering E. coli to depend on human-made molecules may keep genetically modified bacteria from escaping into nature.

    By Kate Baggaley
  10. Genetics

    Gene activity change can produce cancer

    Scientists have long thought that epigenetic changes, which alter gene activity, can cause cancer. Now they have demonstrated it in a mouse experiment.

    By Tina Hesman Saey
  11. Health & Medicine

    New antibiotic candidate shows promise

    Tests in lab dishes and mice suggest an experimental compound called teixobactin can kill staph, TB microbes and other bacteria.

    By Nathan Seppa
  12. Science & Society

    Home-brewed heroin: Hold the hype

    Now is the time to think about policy for synthetically produced morphine, but the process, if it bears out, is years away from working.

    By Bethany Brookshire